Lab Grown Diamond Solitaire Necklaces In 18K White Gold

Indulge in elite craftsmanship with our 18K white gold lab grown diamond solitaire necklaces, featuring high-purity settings that provide an icy, neutral frame for maximum fire.

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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
Most Loved
Oval Solitaire Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Oval Solitaire Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Oval Solitaire Diamond Necklace
$890$1,490
Bezel Solitaire Radiant Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Radiant Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Radiant Diamond Pendant Necklace
$990$1,650
Oval Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Oval Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Oval Solitaire Diamond Pendant Necklace
$890$1,490
Most Loved
Bezel Solitaire Oval Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Oval Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Oval Diamond Necklace
$990$1,650
Pear Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Pear Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Pear Solitaire Diamond Pendant Necklace
$890$1,490
Emerald Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Emerald Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Emerald Solitaire Diamond Pendant Necklace
$890$1,490
Radiant Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Radiant Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Radiant Solitaire Diamond Pendant Necklace
$890$1,490
Cushion Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Cushion Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Cushion Solitaire Diamond Pendant Necklace
$890$1,490
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
Bezel Solitaire Oval Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Oval Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Oval Diamond Pendant Necklace
$990$1,650
Bezel Solitaire Pear Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Pear Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Pear Diamond Pendant Necklace
$990$1,650
Heart Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Heart Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Heart Solitaire Diamond Pendant Necklace
$890$1,490
Bezel Solitaire Heart Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Heart Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Heart Diamond Pendant Necklace
$990$1,650
Bezel Solitaire Emerald Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Emerald Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Emerald Diamond Pendant Necklace
$990$1,650
Bezel Solitaire Cushion Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Cushion Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Cushion Diamond Pendant Necklace
$990$1,650
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
Pear Solitaire Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Pear Solitaire Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Pear Solitaire Diamond Necklace
$890$1,490
Emerald Solitaire Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Emerald Solitaire Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Emerald Solitaire Diamond Necklace
$890$1,490
Radiant Solitaire Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Radiant Solitaire Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Radiant Solitaire Diamond Necklace
$890$1,490
Cushion Solitaire Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Cushion Solitaire Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Cushion Solitaire Diamond Necklace
$890$1,490
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
Bezel Solitaire Pear Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Pear Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Pear Diamond Necklace
$990$1,650
Heart Solitaire Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Heart Solitaire Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Heart Solitaire Diamond Necklace
$890$1,490
Bezel Solitaire Heart Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Heart Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Heart Diamond Necklace
$990$1,650
Bezel Solitaire Emerald Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Emerald Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Emerald Diamond Necklace
$990$1,650
Bezel Solitaire Radiant Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Radiant Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Radiant Diamond Necklace
$990$1,650
Bezel Solitaire Cushion Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Cushion Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Cushion Diamond Necklace
$990$1,650
Marquise Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Marquise Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Marquise Solitaire Diamond Pendant Necklace
$890$1,490
Princess Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Princess Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Princess Solitaire Diamond Pendant Necklace
$890$1,490
Asscher Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Asscher Solitaire Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Asscher Solitaire Diamond Pendant Necklace
$890$1,490
Bezel Solitaire Marquise Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Marquise Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Marquise Diamond Pendant Necklace
$990$1,650
Bezel Solitaire Princess Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Princess Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Princess Diamond Pendant Necklace
$990$1,650
Bezel Solitaire Asscher Lab Grown Diamond Pendant Necklace In 18K White Gold - Lucenjuri Bezel Solitaire Asscher Lab Grown Diamond Pendant Necklace In 18K White Gold - Front Angle View
Bezel Solitaire Asscher Diamond Pendant Necklace
$990$1,650
Marquise Solitaire Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Marquise Solitaire Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Marquise Solitaire Diamond Necklace
$890$1,490
Princess Solitaire Lab Grown Diamond Necklace In 18K White Gold - Lucenjuri Princess Solitaire Lab Grown Diamond Necklace In 18K White Gold - Front Angle View
Princess Solitaire Diamond Necklace
$890$1,490
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.
Find your next modern heirloom within our 18K white gold lab grown diamond solitaire necklaces collection, where a substantial, prestigious weight meets an ultra-bright aesthetic.
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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 Solitaire Necklaces

For the absolute purists who want that heavy, top-tier luxury feel, our 18K white gold solitaire necklaces are where it’s at. Because 18K gold contains a higher percentage of pure gold, it has a richer, more substantial weight on your neckline. We couple this premium metal with a single, hand-selected lab diamond to create a breathtaking, liquid-like shine that completely commands the room.

We craft these pieces using a premium white gold alloy that provides a flawless, bright backdrop for maximum diamond fire. It’s uncompromised, sustainable luxury for the collector who wants maximum prestige and a chain that feels truly elite.

How to Style an 18K White Gold Solitaire Necklace

This level of luxury demands to be noticed, but it never feels like it's trying too hard. Let an 18K white gold solitaire rest against an open neckline or a sleek silk slip as your undisputed focal point. To lock in a look that feels completely intentional from head to toe, team it up with our matching 18K white gold lab diamond drop earrings.

Shop Premium 18K White Gold Lab Diamond Solitaire Necklaces at Lucenjuri

Shopping your 18K white gold lab grown diamond solitaire necklace at Lucenjuri means investing in heirloom-level quality with zero ethical baggage. You’re getting a fully certified, hyper-brilliant diamond set into exceptionally secure, premium metalwork. It’s a conflict-free masterpiece you’ll love wearing every single day.

FAQs

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

18K white gold contains a higher percentage of pure gold (75% versus 58.5% in 14K). This gives the necklace a richer, weightier feel against your skin, carrying that top-tier, heirloom prestige that purists love.

Does 18K white gold need to be plated?

Yes, just like 14K, 18K white gold gets its flawless, liquid-mirror finish from a premium rhodium plating. Because 18K has more natural yellow gold in its core, the warm undertones may emerge slightly sooner than 14K, but a routine rhodium refresh keeps it bright white forever.

Is 18K white gold too soft for a daily necklace?

Not at all. While 18K is slightly softer than 14K due to the higher gold content, it is still exceptionally strong and securely holds your diamond centerpiece. For a solitaire necklace that sits safely on your neckline, 18K offers plenty of durability alongside its luxurious weight.

Does 18K white gold necklace setting make a diamond look brighter?

The ultra-bright white metal framework of 18K white gold blends seamlessly with a colorless or near-colorless lab diamond. It ensures there are no warm metal reflections bouncing into the stone, allowing the true, icy fire of the diamond to take center stage.

How should I store my 18K white gold solitaire diamond necklace?

Because 18K gold is a premium, precious metal, store it in its original Lucenjuri jewelry box or a separate compartment in your jewelry box. This prevents harder gemstones or other pieces from scratching the rich, high-luster gold finish.