197 products
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197 products
This Round Cut Natural Blue Sapphire Tennis Necklace showcases a continuous line of vibrant blue sapphires secured in a classic 4-prong setting. Each stone is positioned for maximum light interaction, giving the necklace a rich, luminous depth that stands out beautifully against the skin.
Designed for versatility and elegance, it delivers a polished, refined look suitable for both everyday sophistication and elevated occasions.
Crafted in Los Angeles with premium-quality gold and meticulously selected diamonds and gemstones for enduring brilliance and exceptional craftsmanship.
Explore this in 18K Gold Variant.
Material: 14K Solid Gold
Shape: Round Cut, Prong Set
Color: Medium-Dark Blue
Clarity: Eye Clean
*These are 100% Natural Gemstones.
Cut: Excellent
Note: We can customize any chain length, contact us for your desired length or size.
*Please know that the price doesn't change upon changing the size because the stone size will vary depending on the length chosen.
This Round Cut Natural Blue Sapphire Tennis Necklace for men features striking blue sapphires set in a durable 4-prong design, delivering a bold yet refined statement. The clean, uniform layout gives the piece a strong presence while maintaining a sleek, modern profile.
Built for daily wear and elevated style, it offers a balance of sophistication and masculinity—making it an effortless signature piece for any wardrobe.
View this in 18K Gold Variant.
Material: Solid Gold
Shape: Round Cut, Prong Set
Color: Medium-Dark Blue
Clarity: Eye Clean
*These are 100% Natural Gemstones.
Cut: Excellent
Crafted in Los Angeles with premium-quality gold and meticulously selected diamonds and gemstones for enduring brilliance and exceptional craftsmanship.
Note: We can customize any chain length, contact us for your desired length or size.
*Please know that the price doesn't change upon changing the size because the stone size will vary depending on the length chosen.
This Natural Half Black and White Diamond Tennis Necklace features perfectly matched round-cut diamonds set in a secure prong setting. Designed with a bold half-and-half layout, one continuous side showcases sleek black diamonds while the other displays bright white diamonds—creating a striking visual contrast without any alternating pattern.
Crafted for those who want a modern twist on a classic tennis style, this design delivers symmetry, edge, and elegance in one seamless piece. Its smooth transition from black to white makes it a standout statement necklace for everyday wear or elevated occasions.
All our necklaces are made with the highest quality gold and diamonds, manufactured and thoughtfully designed in Los Angeles.
View this in 18K Gold Variant.
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Diamonds: 100% Natural Earth-Mined Diamonds
-
Shape: Round Cut
-
Setting: 4-Prong Set
- White Diamond Color: G
- White Diamond Clarity: VS2
-
Black Diamond Color: Black
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Black Diamond Clarity: AAA
-
Clasp: Butterfly Clasp
Check out our options for custom jewelry to select a specific carat size, initial design, and other customizations you'd like to make to this necklace.
We believe that luxury does not have to be out of reach, and we are always happy to provide flexible financing options so you can take this exquisite beauty home today.
Need some help? Call us at (213) 436-4365 or book an appointment to talk to our experts for personalized guidance.
Note: We can customize any chain length. Contact us for your desired length or size.
*Please know that the price doesn't change upon changing the size because the stone size will vary depending on the length chosen.
Experience refined luxury with our Natural Diamond Tennis Necklace featuring a 3ct Natural Green Emerald Pendant. Crafted in 18K Solid White Gold, this piece blends vivid color with the brilliance of 11ct of natural diamonds for a striking and elegant look.
Each diamond is meticulously set to create a continuous line of radiant sparkle, leading to the bold emerald centerpiece that elevates any occasion. Designed for everyday sophistication or elevated evening wear, this necklace brings a perfect balance of color, brilliance, and craftsmanship.
All our necklaces are made with the highest quality gold and diamonds, expertly designed and manufactured with care in Los Angeles.
Material: 18K White Gold
Diamonds: 11ct, Round Shape
Green Emerald: 3ct, Emerald Shape
*These are 100% Natural Earth Mined Gemstones and Diamonds.
Green Emerald Color: Medium-Dark
Green Emerald Clarity: Eye Clean
Diamond Color: G
Diamond Clarity: VS2
Cut: Excellent
This Round Cut Natural Blue Sapphire Tennis Necklace showcases a continuous line of vibrant blue sapphires secured in a classic 4-prong setting. Each stone is positioned for maximum light interaction, giving the necklace a rich, luminous depth that stands out beautifully against the skin.
Designed for versatility and elegance, it delivers a polished, refined look suitable for both everyday sophistication and elevated occasions.
Crafted in Los Angeles with premium-quality gold and meticulously selected diamonds and gemstones for enduring brilliance and exceptional craftsmanship.
Explore this in 14K Gold Variant.
Material: 18K Solid Gold
Shape: Round Cut, Prong Set
Color: Medium-Dark Blue
Clarity: Eye Clean
*These are 100% Natural Gemstones.
Cut: Excellent
Note: We can customize any chain length, contact us for your desired length or size.
*Please know that the price doesn't change upon changing the size because the stone size will vary depending on the length chosen.
Experience modern elegance with our Natural Half Green Emerald and Diamond Tennis Necklace, crafted with a seamless transition from vivid emeralds to brilliant white diamonds. Each stone is round cut and secured in a refined 4-prong setting, creating a smooth, full half-and-half design—one side entirely emerald, the other entirely diamond.
Designed for those who want a bold yet sophisticated look, this necklace delivers vibrant color and classic sparkle in perfect balance. Its polished structure ensures a timeless finish ideal for both daily wear and elevated occasions.
Made in Los Angeles using the Highest-Quality Gold, Diamonds, and Gemstones.
Explore the 18K variant here
Material: 14K Solid Gold
Setting: Round Cut, Prong Set
Diamond Color: G
Diamond Clarity: VS2
Green Emerald Color: Medium-Dark Green
Green Emerald Clarity: Eye Clean
*These are 100% Natural Earth Mined Diamonds and Gemstones.
Cut: Excellent
Note: We can customize any chain length, contact us for your desired length or size.
Experience modern elegance with our Natural Half Green Emerald and Diamond Tennis Necklace, crafted with a seamless transition from vivid emeralds to brilliant white diamonds. Each stone is round cut and secured in a refined 4-prong setting, creating a smooth, full half-and-half design—one side entirely emerald, the other entirely diamond.
Designed for those who want a bold yet sophisticated look, this necklace delivers vibrant color and classic sparkle in perfect balance. Its polished structure ensures a timeless finish ideal for both daily wear and elevated occasions.
Made in Los Angeles using the Highest-Quality Gold, Diamonds, and Gemstones.
Explore the 14K variant here
Material: 18K Solid Gold
Setting: Round Cut, Prong Set
Diamond Color: G
Diamond Clarity: VS2
Green Emerald Color: Medium-Dark Green
Green Emerald Clarity: Eye Clean
*These are 100% Natural Earth Mined Diamonds and Gemstones.
Cut: Excellent
Note: We can customize any chain length, contact us for your desired length or size.
Elevate your elegance with our Round Cut Natural Red Ruby Tennis Necklace. Each vibrant ruby is perfectly set in a classic 4-prong design, creating a seamless line of fiery brilliance that captures attention from every angle. Its timeless style makes it ideal for both everyday wear and special occasions.
Designed for a striking yet sophisticated look, this necklace highlights the rich, deep red hue of natural rubies, ensuring your ensemble stands out with refined luxury. The secure 4-prong setting enhances durability while allowing maximum light to showcase the gemstones’ natural sparkle.
Crafted in Los Angeles with premium-quality gold and meticulously selected gemstones for enduring brilliance and exceptional craftsmanship.
Explore this in 18K Gold Variant.
Material: 14K Solid Gold
Red Ruby Shape: Round Cut, Prong Set
*These are 100% Natural Gemstones.
Color: Medium-Dark Red
Clarity: AA - AAA (Eye Clean)
Cut: Excellent
Note: We can customize any chain length, contact us for your desired length or size.
Elevate your elegance with our Round Cut Natural Red Ruby Tennis Necklace. Each vibrant ruby is perfectly set in a classic 4-prong design, creating a seamless line of fiery brilliance that captures attention from every angle. Its timeless style makes it ideal for both everyday wear and special occasions.
Designed for a striking yet sophisticated look, this necklace highlights the rich, deep red hue of natural rubies, ensuring your ensemble stands out with refined luxury. The secure 4-prong setting enhances durability while allowing maximum light to showcase the gemstones’ natural sparkle.
Crafted in Los Angeles with premium-quality gold and meticulously selected gemstones for enduring brilliance and exceptional craftsmanship.
Explore this in 14K Gold Variant.
Material: 18K Solid Gold
Red Ruby Shape: Round Cut, Prong Set
*These are 100% Natural Gemstones.
Color: Medium-Dark Red
Clarity: AA - AAA (Eye Clean)
Cut: Excellent
Note: We can customize any chain length, contact us for your desired length or size.
This Natural Half Black and White Diamond Tennis Necklace features perfectly matched round-cut diamonds set in a secure prong setting. Designed with a bold half-and-half layout, one continuous side showcases sleek black diamonds while the other displays bright white diamonds—creating a striking visual contrast without any alternating pattern.
Crafted for those who want a modern twist on a classic tennis style, this design delivers symmetry, edge, and elegance in one seamless piece. Its smooth transition from black to white makes it a standout statement necklace for everyday wear or elevated occasions.
All our necklaces are made with the highest quality gold and diamonds, manufactured and thoughtfully designed in Los Angeles.
View this in 14K Gold Variant.
-
Diamonds: 100% Natural Earth-Mined Diamonds
-
Shape: Round Cut
-
Setting: 4-Prong Set
- White Diamond Color: G
- White Diamond Clarity: VS2
-
Black Diamond Color: Black
-
Black Diamond Clarity: AAA
-
Clasp: Butterfly Clasp
Check out our options for custom jewelry to select a specific carat size, initial design, and other customizations you'd like to make to this necklace.
We believe that luxury does not have to be out of reach, and we are always happy to provide flexible financing options so you can take this exquisite beauty home today.
Need some help? Call us at (213) 436-4365 or book an appointment to talk to our experts for personalized guidance.
Note: We can customize any chain length. Contact us for your desired length or size.
*Please know that the price doesn't change upon changing the size because the stone size will vary depending on the length chosen.
This Round Cut Natural Blue Sapphire Tennis Necklace for men features striking blue sapphires set in a durable 4-prong design, delivering a bold yet refined statement. The clean, uniform layout gives the piece a strong presence while maintaining a sleek, modern profile.
Built for daily wear and elevated style, it offers a balance of sophistication and masculinity—making it an effortless signature piece for any wardrobe.
View this in 14K Gold Variant.
Material: Solid Gold
Shape: Round Cut, Prong Set
Color: Medium-Dark Blue
Clarity: Eye Clean
*These are 100% Natural Gemstones.
Cut: Excellent
Crafted in Los Angeles with premium-quality gold and meticulously selected diamonds and gemstones for enduring brilliance and exceptional craftsmanship.
Note: We can customize any chain length, contact us for your desired length or size.
*Please know that the price doesn't change upon changing the size because the stone size will vary depending on the length chosen.
This Alternating Red Ruby and Natural Diamond Tennis Necklace is a Gorgeous piece, showcasing a stunning blend of red rubies and natural diamonds. Each gemstone is securely set in 4 prongs within a solid gold tennis necklace mounting. The alternating design of this necklace creates a captivating visual rhythm, making it a versatile and elegant accessory for any occasion.
Made in Los Angeles using the Highest-Quality Gold, Diamonds, and Gemstones.
Explore this in 14K Solid Gold.
Material: 18K Solid Gold
Setting: Round Cut, Prong Set
*These are 100% Natural Earth Mined Diamonds and Gemstones.
Color: G
Clarity: VS2
Red Ruby: Round Cut
Color: AA
Clarity: Eye Clean
Cut: Excellent
Note: We can customize any chain length, contact us for your desired length or size.
*Please know that the price doesn't change upon changing the size because the stone size will vary depending on the length chosen.
This Alternating Blue Sapphire and Natural Diamond Tennis Necklace is a timeless, elegant piece featuring a blend of blue sapphires and natural diamonds set in 4 Prongs made in solid gold tennis necklace mounting. The necklace's alternating pattern creates a visual rhythm, making it a versatile accessory for any occasion.
Made in Los Angeles using the Highest-Quality Gold, Diamonds, and Gemstones.
Explore this in 14K Solid Gold.
Material: Solid Gold
Setting: Round Cut, Prong Set
Color: G
Clarity: VS2
Blue Sapphire: Round, Medium-Dark Blue
Clarity: Eye Clean
*These are 100% Natural Earth Mined Diamonds and Gemstones.
Cut: Excellent
Note: We can customize any chain length, contact us for your desired length or size.
*Please know that the price doesn't change upon changing the size because the stone size will vary depending on the length chosen.
This 4-prong graduated natural green emerald tennis necklace features a smooth, symmetrical transition from larger emeralds at the center area to evenly matched smaller stones along the neckline. Each emerald is expertly set to highlight its vivid color and clarity, creating a refined, cohesive flow that stands out beautifully.
Secured with a durable box clasp and single safety latch, this necklace is designed for both elegance and everyday confidence. Its polished structure and balanced proportions make it an elevated yet versatile addition to any jewelry collection.
Explore the 18K variant of the Graduated Green Emerald Tennis Necklace
Specifications
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Stone Type: 100% Natural Earth Mined Emeralds
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Setting: Round Cut, Prong Set
-
Emerald Color: Medium-Dark
-
Clarity Grade: Eye Clean
-
Cut Grade: Excellent
-
Clasp: Box with Single Safety Latch
Made in Los Angeles using the Higher-Quality Gold and Gemstones
Note: We can customize any chain length. Contact us for your desired length and size.
This 4-prong graduated natural green emerald tennis necklace features a smooth, symmetrical transition from larger emeralds at the center area to evenly matched smaller stones along the neckline. Each emerald is expertly set to highlight its vivid color and clarity, creating a refined, cohesive flow that stands out beautifully.
Secured with a durable box clasp and single safety latch, this necklace is designed for both elegance and everyday confidence. Its polished structure and balanced proportions make it an elevated yet versatile addition to any jewelry collection.
Explore the 14K variant of the Graduated Green Emerald Tennis Necklace
Specifications
-
Stone Type: 100% Natural Earth Mined Emeralds
-
Setting: Round Cut, Prong Set
-
Emerald Color: Medium-Dark
-
Clarity Grade: Eye Clean
-
Cut Grade: Excellent
-
Clasp: Box with Single Safety Latch
Made in Los Angeles using the Higher-Quality Gold and Gemstones
Note: We can customize any chain length. Contact us for your desired length and size.
What Our Customers Say
Customer Testimonials
Watch real customer reviews featuring our most-loved diamond pieces, styled and worn in everyday moments.
Diamond Necklaces Made to Become Your Signature Piece
Gem Jewelers Co. diamond necklaces for women are crafted with natural diamonds and solid gold, including 14K and 18K gold options. Choose from yellow gold, white gold, rose gold, and platinum styles depending on the look, durability, and tone you prefer.
This collection includes diamond tennis necklaces, diamond pendants, diamond fashion necklaces, gemstone necklaces, solitaire diamond necklaces, gold diamond necklaces, white gold diamond necklaces, rose gold diamond necklaces, and custom diamond necklace designs. If you are looking for tennis necklace inspiration, see our guide to diamond tennis necklace style ideas.
Whether you want a delicate pendant, a high-carat tennis necklace, a modern layering piece, or a gemstone and diamond design, Gem Jewelers Co. offers luxury diamond necklaces made with careful attention to diamond quality, setting security, chain strength, clasp function, and long-term wear.
Our 5 Best-Selling Diamond Necklaces
- Non-Flip 4-Prong Natural Diamond Tennis Necklace - Classic everyday luxury necklace with secure brilliance
- Crown Prong Natural Diamond Tennis Necklace - Bold formal necklace with added diamond presence
- Bezel Set Natural Diamond Tennis Necklace - Modern, secure, and polished for regular wear
- 3-Prong Natural Diamond Tennis Necklace - Martini Style, Lightweight, elegant, and refined
- Classic Round Natural Diamond Pendant - Simple everyday pendant with timeless appeal
Famous Diamond Necklace Styles
Our women’s diamond necklace collection brings together four major necklace categories:
Diamond Tennis Necklaces
A diamond tennis necklace is the most iconic choice for women who want a continuous line of diamonds around the neck. Explore 3-prong, 4-prong, crown prong, bezel set, graduated, choker, adjustable, non-flip, heart shape, emerald shape, and multi-shape diamond tennis necklaces in 14K and 18K gold.
Diamond Pendants
Diamond pendants are perfect when you want something meaningful, wearable, and easy to style. Choose from round diamond pendants, halo pendants, circle necklaces, flower cluster pendants, bezel set pendants, Hamsa pendants, Italian horn pendants, and classic solitaire-style designs.
Diamond Fashion Necklaces
Diamond fashion necklaces bring more design detail and personality to the collection. Explore lariat necklaces, paperclip link necklaces, station necklaces, diamond by-the-yard styles, center-stone necklaces, halo station designs, and modern pieces made for layering or statement styling.
Gemstone Necklaces
Gemstone necklaces add color, meaning, and contrast to fine jewelry. Explore ruby, sapphire, emerald, pink sapphire, black diamond, gemstone tennis necklaces, gemstone pendants, and diamond-accented gemstone necklaces for a more expressive take on luxury necklace jewelry.
Solitaire Diamond Necklaces
A solitaire diamond necklace focuses on one main diamond. It is simple, timeless, and easy to wear every day. Round, oval, pear, emerald, cushion, and princess-cut solitaire necklaces are popular for first diamond necklaces, bridal gifts, anniversaries, and everyday luxury.
Cross Diamond Necklaces
Cross diamond necklaces combine spiritual symbolism with fine jewelry design. These necklaces are often chosen as meaningful gifts, for religious milestones, and for everyday wear. Styles range from delicate minimalist crosses to bold diamond-encrusted designs.
Initial Diamond Necklaces
Initial diamond necklaces offer a personalized touch, making them ideal for gifts and everyday styling. These necklaces feature letters set with diamonds or accented with diamond details, allowing wearers to represent their name or someone meaningful.
Bezel Diamond Necklaces
Bezel diamond necklaces feature diamonds encased in a smooth metal rim, offering a modern and secure setting. This style is perfect for everyday wear for its durability and clean, minimalist look, while still showcasing diamond brilliance.
How to Choose the Right Diamond Necklace
Use these practical tips before choosing a necklace:
- For everyday wear: Choose a diamond pendant, solitaire necklace, small station necklace, or low-profile fashion necklace. These styles are easier to wear with casual outfits, workwear, and layered jewelry.
- For a luxury statement: A diamond tennis necklace, graduated necklace, a high-carat necklace, or bold paperclip diamond necklace. These styles create a stronger neckline presence.
- For gifting: Choose a solitaire pendant, a heart necklace, a birthstone gemstone necklace, or a custom name necklace. These feel more personal and are easier to match to someone’s style.
- For bridal styling: Choose a tennis necklace, pear-drop pendant, oval diamond pendant, halo necklace, or elegant lariat necklace depending on the dress’s neckline.
- For layering: Mix different lengths. Pair a short pendant with a station necklace, paperclip chain, or delicate tennis necklace. Avoid stacking multiple heavy focal pieces together.
- For diamond shape: Round diamonds feel classic; oval and pear shapes feel soft and graceful; emerald cuts look clean and structured; and heart or marquise shapes feel more distinctive.
- For settings: Prong settings show more of the diamond, bezel settings add protection, halo settings create extra sparkle, and non-flip tennis settings help keep the diamonds facing forward.
- For metal color: White gold looks bright and modern, yellow gold feels timeless and warm, rose gold adds softness, and platinum offers a cool-toned, durable finish.
- For gold karat: 14K gold is practical for everyday wear because it is slightly more durable, while 18K gold offers a richer gold finish.
- For carat weight: Smaller pendants feel subtle and wearable; 1CT–3CT styles offer everyday luxury; 4CT–7CT tennis necklaces create balanced sparkle, and 10CT, 15CT, 20CT, or 25CT+ necklaces make a stronger high-jewelry statement.
Why Buy a Diamond Necklace from Gem Jewelers Co.?
A diamond necklace should look beautiful from the front, sit comfortably on the neckline, and feel secure enough to wear with confidence. That depends on more than carat weight. Diamond cut, color, clarity, setting work, chain quality, clasp strength, metal finish, and overall craftsmanship all matter.
Gem Jewelers Co. is a luxury diamond jewelry brand offering natural diamond necklaces in 14K and 18K gold, with wholesale-direct pricing, GIA-certified diamond options, flexible financing, customization, free resizing support where applicable, and a 14-day return policy.
Customers can shop with confidence thanks to our warranty services and 500+ verified reviews on Google, Trustpilot, and Reseller Ratings. Plus, enjoy FREE diamond studs on qualifying orders over $1,500.
Whether you are buying a diamond tennis necklace, a solitaire pendant, a gold-and-diamond necklace, a gemstone-and-diamond necklace, or a custom diamond necklace, our team can help you confidently compare style, length, diamond quality, metal color, carat weight, and budget.
Need help choosing the right diamond necklace? Schedule an appointment with our team for personalized guidance.