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.

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
18 Items
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Filter
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.

Customer Reviews

Hear why our customers love Lucenjuri

5 Stars
This necklace and company are wonderful! I asked for a custom length made and it was perfect! The stones are clean and sparkly! Love them! Very quick shipping. Christine in customer service is the best; great communication. I would trust no other company for lab created diamonds
Tracy
September 17, 2026
My Perfect Everyday Necklace!
I think I’ve found my perfect everyday necklace! The quality is exceptional, and this is already my second purchase from Lucenjuri. I’m absolutely in love with it and couldn’t recommend them more!
Navya K.
September 08, 2026
Absolutely Stunning Necklace & Exceptional Service! 💛✨
I’m absolutely in love with my Starry Charm necklace! 😍 It’s even more beautiful in person, and the sparkle is incredible. I ordered the 0.50ct version and was so pleasantly surprised that mine totaled 0.63ct! I upgraded it to 18k gold and the 18K yellow gold is absolutely gorgeous too. A special thank you to Emma, who made the entire experience wonderful. She was incredibly kind, attentive, and helpful throughout the whole process. I’m so happy with both the necklace and the amazing customer service that I’ve already ordered another piece! 💛✨
Navya K.
September 04, 2026
super sparkly!
Among all the jewelry companies I contacted while looking for a necklace, Lucenjuri stood out for its exceptional and sincere customer service. While many other companies filled my inbox with promotional and high-pressure sales emails after I inquired or registered, your team never did that at all.When the necklace arrived, I was absolutely amazed—both the diamond and the chain are truly, incredibly sparkly! I previously ordered a lab-grown diamond necklace from a well-known company with a store in Beverly Hills, but it didn't impress me at all, and I ended up returning it. Buying jewelry online made me feel a bit anxious at first, but any doubts I had vanished the moment I opened your package.Thank you so much, Nicole and Christine, for your kind and thoughtful replies. You made my experience truly unforgettable.
Maiko
September 03, 2026
Great experience - Please do not hesitate to buy!!
I was skeptical to place an order for an expensive piece of jewelry from an online company - especially one that I had never heard of before - but let me just say, working with Lucenjuri and our lovely consultant, Christine was a pleasure from beginning to end. She guided me through stone selection and kept me informed through the entire process from fabrication to shipping to follow up. The necklace was even better than expected and the price was better than competitors who were selling inferior stones. They earned my trust and I would purchase from them again without a doubt.
Leslie K.
July 28, 2026
Sparkles so much!
I ordered the sparkling cluster diamond necklace and can’t believe how much it sparkles. For me, it is a statement piece, good for special occasions. Definitely a wonderful gift for yourself or a loved one.
Angela D.
June 10, 2026
Top notch
I purchased the 1 Carat Bezel Solitaire Round Diamond Necklace in Platinum for myself. I chose platinum because I am sensitive to all other metals and because its very strong. I didn't know the company before this purchase and was really impressed with the level of communication during the process of making the necklace, all the way up to shipping. When I finally received the item, it was stunning. The bezel setting makes the diamond appear bigger in my opinion, so it is very impressive. I also bought a set of diamond stud earrings and the combined packaging both items were sent in was really beautiful and premium. If you are hesitant, just do it!
Patricia S.
May 22, 2026
Very positive experience with Lucenjuri
My necklace arrived on time, progress was well communicated throughout the entire process and the end product was perfect! Great quality and beautiful diamonds! I have already referred someone to Lucenjuri for an engagement ring. With declining customer service everywhere - my experience with Lucenjuri was above and beyond!
Kaitlin H.
May 12, 2026
3ct, toi et moi emerald and pear necklace
The diamonds are absolutely stunning and with 3ct the chain was automatically upgraded to 1.1mm thickness. Amazing customer service communication as well - thank you Christine - and fast delivery. IGI certificates are included.
Ann
May 11, 2026
Rose gold bezel set- excellence in a box
I searched in stores and online for the perfect piece- rose gold lab grown bezel set pear shaped pendant. This is what I’ve searched high and low for. I was a little worried it wouldn’t arrive quickly but I received it a week ahead of schedule. Very happy with my purchase!
Helen S.
April 27, 2026
Competitive Pricing
Lifetime Warranty
Free Shipping
Free Returns

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.