Lab Grown Diamond Necklaces In 18K White Gold

Elevate your collection with the prestigious weight of our 18K white gold lab grown diamond necklaces, offering a high-purity, naturally bright backdrop for maximum light performance.

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Round Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Round Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Round Solitaire Diamond Pendant Necklace
$890$1,490
Round Halo Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Round Halo Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Round Halo Diamond Pendant Necklace
$1,040$1,740
Duo Drop Round and Pear Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Duo Drop Round and Pear Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Duo Drop Round and Pear Lab Grown Diamond Necklace
$750$1,250
Duo Drop Round Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Duo Drop Round Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Duo Drop Round Lab Grown Diamond Necklace
$650$1,090
Duo Drop Round and Oval Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Duo Drop Round and Oval Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Duo Drop Round and Oval Lab Grown Diamond Necklace
$650$1,090
Graduated Curved Bar Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Adjustable Closure Detail of Graduated Curved Bar Lab Grown Diamond Necklace In 18K White Gold
Graduated Curved Bar Diamond Necklace
$650$1,090
Spaced Curved Bar Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Adjustable Closure Detail of Spaced Curved Bar Lab Grown Diamond Necklace In 18K White Gold
Spaced Curved Bar Diamond Necklace
$1,290$2,150
Starry Charm Lab Grown Diamond Dainty Necklace In 18K White Gold - Lucenjuri Adjustable Closure Detail of Starry Charm Lab Grown Diamond Dainty Necklace In 18K White Gold
Starry Charm Diamond Dainty Necklace
$790$1,320
Sparkling Cluster Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Adjustable Closure Detail of Sparkling Cluster Lab Grown Diamond Necklace In 18K White Gold
Sparkling Cluster Diamond Necklace
$1,090$1,820
Bezel Solitaire Round Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Round Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Round Diamond Pendant Necklace
$990$1,650
Duo Drop Round and Halo Pear Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Duo Drop Round and Halo Pear Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Duo Drop Round and Halo Pear Lab Grown Diamond Necklace
$750$1,250
Radiant Eclipse Open Circle Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Adjustable Closure Detail of Radiant Eclipse Open Circle Lab Grown Diamond Necklace In 18K White Gold
Radiant Eclipse Open Circle Diamond Necklace
$1,290$2,150
Ensemble Brilliant Round Link Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Adjustable Closure Detail of Ensemble Brilliant Round Link Lab Grown Diamond Necklace In 18K White Gold
Ensemble Brilliant Round Link Diamond Necklace
$1,390$2,320
Three Stone Tassel Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Adjustable Closure Detail of Three Stone Tassel Lab Grown Diamond Necklace In 18K White Gold
Three Stone Tassel Diamond Necklace
$650$1,090
Graduated Single Prong Curved Bar Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Adjustable Closure Detail of Graduated Single Prong Curved Bar Lab Grown Diamond Necklace In 18K White Gold
Graduated Single Prong Curved Bar Diamond Necklace
$1,090$1,820
Round Solitaire Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Round Solitaire Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Round Solitaire Diamond Necklace
$890$1,490
Round Halo Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Round Halo Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Round Halo Diamond Necklace
$1,040$1,740
Bezel Solitaire Round Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Round Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Round Diamond Necklace
$990$1,650
Duo Drop Heart and Round Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Duo Drop Heart and Round Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Duo Drop Heart and Round Lab Grown Diamond Necklace
$750$1,250
Classic Lab Grown Diamond Open Cross Pendant Necklace In 18K White Gold - Lucenjuri Classic Lab Grown Diamond Open Cross Pendant Necklace In 18K White Gold - Front Angle View
Classic Lab Grown Diamond Open Cross Pendant Necklace
$850$1,420
Bead Bright Set Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Lucenjuri Bead Bright Set Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Front Angle View
Bead Bright Set Lab Grown Diamond Cross Pendant Necklace
$850$1,420
Classic Round Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Lucenjuri Classic Round Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Front Angle View
Classic Round Lab Grown Diamond Cross Pendant Necklace
$750$1,250
Tapered Baguette and Round Lab Grown Diamond Cross Pendant In 18K White Gold - Lucenjuri Tapered Baguette and Round Lab Grown Diamond Cross Pendant In 18K White Gold - Front Angle View
Tapered Baguette and Round Lab Grown Diamond Cross Pendant
$950$1,590
Oval and Round Lab Grown Diamond Cross Necklace In 18K White Gold - Lucenjuri Oval and Round Lab Grown Diamond Cross Necklace In 18K White Gold - Front Angle View
Oval and Round Lab Grown Diamond Cross Necklace
$950$1,590
Lab Grown Diamond Pavé Edge Cross Pendant Necklace In 18K White Gold - Lucenjuri Lab Grown Diamond Pavé Edge Cross Pendant Necklace In 18K White Gold - Front Angle View
Lab Grown Diamond Pavé Edge Cross Pendant Necklace
$1,550$2,590
Round Lab Grown Diamond Prong Set Cross Pendant Necklace In 18K White Gold - Lucenjuri Round Lab Grown Diamond Prong Set Cross Pendant Necklace In 18K White Gold - Front Angle View
Round Lab Grown Diamond Prong Set Cross Pendant Necklace
$1,250$2,090
Round Solitaire Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Lucenjuri Round Solitaire Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Front Angle View
Round Solitaire Lab Grown Diamond Cross Pendant Necklace
$900$1,500
Round Lab Grown Diamond Flare Edge Cross Pendant Necklace In 18K White Gold - Lucenjuri Round Lab Grown Diamond Flare Edge Cross Pendant Necklace In 18K White Gold - Front Angle View
Round Lab Grown Diamond Flare Edge Cross Pendant Necklace
$1,650$2,750
Round Lab Grown Diamond French Pavé Cross Pendant Necklace In 18K White Gold - Lucenjuri Round Lab Grown Diamond French Pavé Cross Pendant Necklace In 18K White Gold - Front Angle View
Round Lab Grown Diamond French Pavé Cross Pendant Necklace
$850$1,420
Round and Asscher Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Lucenjuri Round and Asscher Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Front Angle View
Round and Asscher Lab Grown Diamond Cross Pendant Necklace
$1,050$1,750
Round Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Lucenjuri Round Lab Grown Diamond Cross Pendant Necklace In 18K White Gold - Front Angle View
Round Lab Grown Diamond Cross Pendant Necklace
$1,050$1,750
Shared Prong Round Lab Grown Diamond Cross Necklace In 18K White Gold - Lucenjuri Shared Prong Round Lab Grown Diamond Cross Necklace In 18K White Gold - Front Angle View
Shared Prong Round Lab Grown Diamond Cross Necklace
$1,450$2,420
Lab Grown Diamond Round Halo Pavé Twist Pendant Necklace In 18K White Gold - Lucenjuri Lab Grown Diamond Round Halo Pavé Twist Pendant Necklace In 18K White Gold - Front Angle View
Round Halo Pavé Twist Diamond Pendant Necklace
$1,100$1,840
Lab Grown Diamond Round Accented Twist Pendant Necklace In 18K White Gold - Lucenjuri Lab Grown Diamond Round Accented Twist Pendant Necklace In 18K White Gold - Front Angle View
Round Accented Twist Diamond Pendant Necklace
$1,050$1,750
Lab Grown Diamond Round Solitaire Twist Pendant Necklace In 18K White Gold - Lucenjuri Lab Grown Diamond Round Solitaire Twist Pendant Necklace In 18K White Gold - Front Angle View
Round Solitaire Twist Diamond Pendant Necklace
$1,000$1,670
Round Halo Lab Diamond Pavé Bail Pendant in 18K White Gold - Lucenjuri Round Halo Lab Diamond Pavé Bail Pendant in 18K White Gold - Front Angle View
Round Halo Lab Diamond Pendant Necklace with Accented Bail
$1,090$1,820
Design Your Own Necklace
Design Your Own
Whether you're marking a special occasion or elevating everyday elegance, our necklaces can be fully customized to make it as special as the moments you wear it for.
Layer It Up
With customizable options and a variety of styles, mix and match to create a look that's uniquely yours, perfect for any occasion.
Elegance Around Your Neck
Discover our stunning range of necklaces designed to complement any occasion.
Explore our curated 18K white gold lab grown diamond necklace collection or bring your unique vision to life with Lucenjuri’s custom design options, crafted to showcase your elegance with premium, icy sophistication.
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Customer Reviews

Mar 22, 2025
Great quality, great price
Great quality at an affordable price. My wife loves her new diamond necklace! It’s elegant, sparkly, and perfect for everyday wear. She wears it all the time, and I’m happy with the purchase.
— Eric E.
Feb 20, 2025
Totally Worth It!
This marquise necklace is perfect for any occasion. Worth every penny, and the shipping was fast. Plus, it’s IGI-certified, so I know I’m getting top-quality diamonds! Definitely recommend Lucenjuri!
— Jennifer R.
Nov 26, 2024
Timely delivery, love it!
The online process was so easy, received the product in a timely manner and love my tassel diamond necklace! It’s a great piece to wear on a night out, and I always feel glamorous when I wear it.
— Kimberly S.
Oct 9, 2024
Happy Customer!
This isn’t my first time shopping with Lucenjuri, and once again, they didn’t disappoint! I love how it’s both elegant and subtle—perfect for everyday wear. Plus, as always, the shipping was super fast!
— Sophia P.
May 20, 2024
Perfect gift for our daughter
We gave our daughter a halo-set lab diamond necklace for her 21st birthday. She loved it. It was her first 'real' jewelry and she’s barely taken it off since.
— Richard D.
Jun 18, 2024
Happy mom
Received the pear and emerald pendant necklace from my daughter for Mother’s Day. It’s so thoughtful and elegant. Lucenjuri also has the most stunning packaging!
Hannah W.
Mar 16, 2025
A gift that left her speechless
I bought this pear shaped diamond necklace for my girlfriend, and it was the perfect surprise. She loves simplicity with a little bit of sparkle, and this piece was ideal. The necklace arrived on time and in such beautiful packaging. I highly recommend this as a gift for anyone special!
— Mario
Dec 18, 2024
Perfect gift
The necklace was for my 16-year-old grandniece and she was very pleased. It was a perfect gift, and she hasn’t stopped wearing it. She absolutely loved the design and the sparkle!
— Maria D.
Jan 14, 2025
My kind of jewelry
I was looking for something geometric and minimal, and this curved bar design really stood out to me. It's understated but beautifully detailed up close. The stones are set with precision and the gold bar gives it an architectural vibe that I love.
— Clara
Mar 20, 2025
Simple, elegant, and meaningful
Bought this for my wife as a surprise before our anniversary trip. She doesn’t usually wear much jewelry, but she’s worn this nearly every day since it arrived. The heart shape is subtle, not too girly, and it really sparkles.
— Jonathan H.
Mar 28, 2025
Glamorous without the fuss
I was looking for something I could wear every day but still look good for formal events too. This radiant necklace is perfect! Not too flashy, just the right amount of elegance. The IGI certificate definitely gave me extra confidence in my choice, and it arrived fast!
— Joey W.

18K White Gold Lab Grown Diamond Necklaces

There is an elevated level of luxury that comes with an 18K white gold setting. Our collection of 18K white gold lab grown diamond necklaces delivers a highly prestigious, bright white luster that offers a premium canvas for your jewelry wardrobe. We set our ethical, sustainably grown diamonds into this high-purity gold alloy, giving you exceptional pieces that provide a substantial weight, an upscale feel, and an exquisite mirror-like shine.

Why Choose an 18K White Gold Necklace Setting?

Choosing an 18K white gold lab grown diamond necklace is a beautiful way to prioritize a higher precious metal content in your daily jewelry edit. Crafted with 75% pure gold and finished with a premium rhodium plating, 18K white gold offers a naturally rich, heavy feel against the skin that feels undeniably luxurious.

Because the bright white metal blends seamlessly with the facets of the diamond, this high-purity setting acts as a brilliant backdrop that makes your lab grown diamond pendant necklace look incredibly seamless, uniform, and radiant.

Explore Our 18K White Gold Necklace Layouts

We design our signature 18K white gold settings across a few classic layouts so you can find a flawless match for your personal style. For a minimal, everyday staple, a 1 carat lab grown diamond necklace set in an elegant 18K white gold prong configuration provides a beautiful drop of pure light.

If you are looking for a more dramatic, light-catching presence, stepping up to a 2 carat lab grown diamond necklace with an 18K white gold halo layout creates an expansive, high-impact look. From the smooth, modern borders of our 18K white gold low-profile bezel pendants to the classic structure of a lab grown diamond cross necklace, this metal brings an upscale, contemporary feel to every diamond cut.

Complete Your Fine Jewelry Collection

An 18K white gold lab diamond necklace serves as the perfect, brilliant anchor for a premium jewelry edit. To keep your aesthetic sharp and seamless, we love matching these icy, high-purity metal tones across your entire look. You can easily pair your pendant with our responsibly crafted 18K white gold lab grown diamond studs, or layer it alongside a classic, glittering tennis bracelet.

Shop Your 18K White Gold Lab Diamond Necklaces at Lucenjuri Today

Ready to find the perfect sparkling match for your collection? Explore our premium selection of high-purity white gold designs and shop your 18K white gold lab diamond necklaces at Lucenjuri today to complete a beautifully synchronized look.

FAQs

Does an 18K white gold lab diamond necklace require special maintenance?

Yes, an 18K white gold necklace requires an occasional rhodium replating over time to maintain its crisp, mirror-like modern shine. Because 18K white gold has a very high concentration of naturally yellow gold (75%), it is finished with a bright rhodium plating to achieve its icy white look. Over years of daily wear, this plating can gently fade, but a simple jewelry check-up instantly restores its brilliant white finish.

Can an 18K white gold setting make a diamond look brighter?

Yes, an 18K white gold setting blends seamlessly with a colorless lab diamond, making the stone appear brighter and often larger. Because the high-purity white metal prongs or bezel match the colorless brilliance of a premium D-F graded stone, there are no contrasting colors to distract the eye, allowing the diamond's natural fire to take center stage.

What is the difference between 14K and 18K white gold necklaces?

The main difference is that 18K white gold contains more pure gold (75% vs. 58.3%), giving it a heavier feel and a richer prestige value, while 14K white gold necklace is slightly harder. While both offer incredible beauty and are finished with the same bright rhodium plating, 18K gold is often chosen by those who prefer the substantial weight and luxury status of a higher-karat alloy.

Is 18K white gold safe for sensitive skin?

Yes, 18K white gold is highly safe for the vast majority of people, and its high pure gold content makes it even friendlier for sensitive skin than lower-karat options. Because it contains fewer alloy base metals, it minimizes skin irritation. However, if you have a severe or highly specific metal allergy, we always recommend exploring our naturally pure, hypoallergenic platinum lab grown diamond necklace line instead.

How should we clean an 18K white gold lab grown diamond necklace at home?

The best way to clean your 18K white gold necklace is a quick soak in warm water with mild dish soap, followed by a light brush with a soft toothbrush. This simple habit quickly lifts away the daily buildup of lotions and oils that sit directly under the settings, instantly unlocking the maximum light performance of your certified diamonds and the polished sheen of your framework.