Lab Grown Diamond Cross Necklaces In Platinum

Discover our platinum lab grown diamond cross necklaces, boasting an uncompromised, dense framework that permanently secures an array of exceptional diamonds.

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18 Items
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  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
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Classic Lab Grown Diamond Open Cross Pendant Necklace In Platinum - Lucenjuri Classic Lab Grown Diamond Open Cross Pendant Necklace In Platinum - Front Angle View
Classic Lab Grown Diamond Open Cross Pendant Necklace
$950$1,590
Bead Bright Set Lab Grown Diamond Cross Pendant Necklace In Platinum - Lucenjuri Bead Bright Set Lab Grown Diamond Cross Pendant Necklace In Platinum - Front Angle View
Bead Bright Set Lab Grown Diamond Cross Pendant Necklace
$950$1,590
Tapered Baguette and Asscher Lab Grown Diamond Cross Pendant In Platinum - Lucenjuri Tapered Baguette and Asscher Lab Grown Diamond Cross Pendant In Platinum - Front Angle View
Tapered Baguette and Asscher Lab Grown Diamond Cross Pendant
$1,250$2,090
Beveled Edge Polished Cross Pendant Necklace In Platinum - Lucenjuri Beveled Edge Polished Cross Pendant Necklace In Platinum - Front Angle View
Beveled Edge Polished Cross Pendant Necklace
$750$1,250
Classic Round Lab Grown Diamond Cross Pendant Necklace In Platinum - Lucenjuri Classic Round Lab Grown Diamond Cross Pendant Necklace In Platinum - Front Angle View
Classic Round Lab Grown Diamond Cross Pendant Necklace
$850$1,420
Baguette and Princess Lab Grown Diamond Cross Pendant Necklace In Platinum - Lucenjuri Baguette and Princess Lab Grown Diamond Cross Pendant Necklace In Platinum - Front Angle View
Baguette and Princess Lab Grown Diamond Cross Pendant Necklace
$850$1,420
Mixed Radiant Lab Grown Diamond Cross Pendant Necklace In Platinum - Lucenjuri Mixed Radiant Lab Grown Diamond Cross Pendant Necklace In Platinum - Front Angle View
Mixed Radiant Lab Grown Diamond Cross Pendant Necklace
$1,450$2,420
Tapered Baguette and Round Lab Grown Diamond Cross Pendant In Platinum - Lucenjuri Tapered Baguette and Round Lab Grown Diamond Cross Pendant In Platinum - Front Angle View
Tapered Baguette and Round Lab Grown Diamond Cross Pendant
$1,050$1,750
Oval and Round Lab Grown Diamond Cross Necklace In Platinum - Lucenjuri Oval and Round Lab Grown Diamond Cross Necklace In Platinum - Front Angle View
Oval and Round Lab Grown Diamond Cross Necklace
$1,050$1,750
Lab Grown Diamond Pavé Edge Cross Pendant Necklace In Platinum - Lucenjuri Lab Grown Diamond Pavé Edge Cross Pendant Necklace In Platinum - Front Angle View
Lab Grown Diamond Pavé Edge Cross Pendant Necklace
$1,650$2,750
Round Lab Grown Diamond Prong Set Cross Pendant Necklace In Platinum - Lucenjuri Round Lab Grown Diamond Prong Set Cross Pendant Necklace In Platinum - Front Angle View
Round Lab Grown Diamond Prong Set Cross Pendant Necklace
$1,350$2,250
Round Solitaire Lab Grown Diamond Cross Pendant Necklace In Platinum - Lucenjuri Round Solitaire Lab Grown Diamond Cross Pendant Necklace In Platinum - Front Angle View
Round Solitaire Lab Grown Diamond Cross Pendant Necklace
$1,000$1,670
Round Lab Grown Diamond Flare Edge Cross Pendant Necklace In Platinum - Lucenjuri Round Lab Grown Diamond Flare Edge Cross Pendant Necklace In Platinum - Front Angle View
Round Lab Grown Diamond Flare Edge Cross Pendant Necklace
$1,750$2,920
Round Lab Grown Diamond French Pavé Cross Pendant Necklace In Platinum - Lucenjuri Round Lab Grown Diamond French Pavé Cross Pendant Necklace In Platinum - Front Angle View
Round Lab Grown Diamond French Pavé Cross Pendant Necklace
$950$1,590
Round and Asscher Lab Grown Diamond Cross Pendant Necklace In Platinum - Lucenjuri Round and Asscher Lab Grown Diamond Cross Pendant Necklace In Platinum - Front Angle View
Round and Asscher Lab Grown Diamond Cross Pendant Necklace
$1,150$1,920
Marquise and Asscher Lab Grown Diamond Cross Necklace In Platinum - Lucenjuri Marquise and Asscher Lab Grown Diamond Cross Necklace In Platinum - Front Angle View
Marquise and Asscher Lab Grown Diamond Cross Necklace
$950$1,590
Round Lab Grown Diamond Cross Pendant Necklace In Platinum - Lucenjuri Round Lab Grown Diamond Cross Pendant Necklace In Platinum - Front Angle View
Round Lab Grown Diamond Cross Pendant Necklace
$1,150$1,920
Shared Prong Round Lab Grown Diamond Cross Necklace In Platinum - Lucenjuri Shared Prong Round Lab Grown Diamond Cross Necklace In Platinum - Front Angle View
Shared Prong Round Lab Grown Diamond Cross Necklace
$1,550$2,590
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.
Invest in a lifelong aesthetic statement with our platinum lab grown diamond cross necklaces, featuring low-maintenance, hypoallergenic architecture that will never fade or yellow.
Competitive Pricing
Lifetime Warranty
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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.

Lab Diamond Cross Necklaces in Platinum

Step into the absolute peak of fine jewelry engineering when you Buy Platinum Cross Necklaces at Lucenjuri. Naturally pure white, hypoallergenic, and thirty times rarer than gold, platinum provides the most secure, dense grip possible for your certified lab diamond. Because platinum never changes color or requires replating, its clean, silvery sheen provides a permanent, icy frame for our structural beveled edge polished ones, ensuring your diamond's fire remains entirely uninfluenced by outside tones.

Prefer a warm metallic blush instead? Explore our poetic 14K Rose Gold Cross Necklaces collection.

Experience Curated Craftsmanship & Ethical Luxury at Lucenjuri

This elite collection features sleek, meticulously finished settings precisely formed by master artisans to completely eliminate snagging on lace or fine silks. Paired with a substantial platinum chain that drapes beautifully on the neckline, it stands as a lifelong symbol of uncompromised strength and conscious luxury.

FAQs

What makes a platinum cross pendant the ultimate luxury choice?

Platinum is the pinnacle of jewelry engineering. It is naturally pure white, completely hypoallergenic, and vastly rarer than gold—holding your diamonds in a dense, permanent grip that will never wear down over generations.

How does a platinum setting affect the fire of a diamond cross?

Because platinum is an entirely neutral, icy silver-white metal, it ensures that your certified diamonds’ fire stays completely uninfluenced by outside warm tones, preserving their pure brilliance flawlessly.

What jewelry styles go best with a platinum cross necklace?

It serves as a flawless, high-end blank canvas. It pairs beautifully with crisp white gold bands and classic diamond tennis bracelets. To build an editorial look, try mixing textures—layering your high-sparkle platinum cross alongside heavy white gold paperclip links or dense, liquid snake chains.