Lab Grown Diamond Engagement Rings In Platinum

    Choose the strength and natural sheen of Lucenjuri’s platinum engagement rings. Naturally hypoallergenic and exceptionally durable, these rings feature certified lab diamonds designed for a lifetime of beauty.

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    76 Items
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    • Date, old to new
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    MOST LOVED
    Oval Petite Adora Solitaire Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Petite Adora Solitaire Lab Diamond Engagement Ring In Platinum, Angle View
    Petite Adora Solitaire Diamond Engagement Ring
    $650
    MOST LOVED
    Oval Accented Twisted Vine Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Accented Twisted Vine Lab Diamond Engagement Ring In Platinum, Angle View
    Accented Twisted Vine Diamond Engagement Ring
    $990
    Round Luxe Belle Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Belle Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Belle Diamond Engagement Ring
    $790
    Most Loved
    Toi Et Moi Emerald and Pear Diamond Engagement Ring In Platinum - Lucenjuri Toi Et Moi Emerald and Pear Diamond Engagement Ring In Platinum, Angle View
    Toi et Moi Emerald and Pear Diamond Engagement Ring
    $1,350
    Hidden Halo
    Oval Aurea Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Aurea Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Aurea Diamond Engagement Ring
    $890
    Hidden Halo
    Oval Mystique Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Mystique Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Mystique Halo Diamond Engagement Ring
    $750
    Marquise Myra Solitaire Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Marquise Myra Solitaire Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Myra Solitaire Diamond Engagement Ring
    $690
    Most Loved
    Toi Et Moi Oval and Pear Diamond Engagement Ring In Platinum - Lucenjuri Toi Et Moi Oval and Pear Diamond Engagement Ring In Platinum, Angle View
    Toi et Moi Oval and Pear Diamond Engagement Ring
    $1,350
    Oval Alma 2mm Bezel Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Oval Alma 2mm Bezel Solitaire Diamond Engagement Ring In Platinum, Angle View
    Alma 2mm Bezel Solitaire Diamond Engagement Ring
    $1,350
    Round Tapered Baguette Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Tapered Baguette Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Tapered Baguette Diamond Engagement Ring
    $850
    Round Elle 2mm Bezel Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Round Elle 2mm Bezel Solitaire Diamond Engagement Ring In Platinum, Angle View
    Elle 2mm Bezel Solitaire Diamond Engagement Ring
    $1,290
    Emerald Elle East-West 2mm Bezel Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Emerald Elle East-West 2mm Bezel Solitaire Diamond Engagement Ring In Platinum, Angle View
    Elle East-West 2mm Bezel Solitaire Diamond Engagement Ring
    $1,290
    Round Twisted Vine Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Twisted Vine Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Twisted Vine Diamond Engagement Ring
    $850
    Emerald Timeless Trinity Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Timeless Trinity Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Timeless Trinity Diamond Engagement Ring
    $890
    Round Petal Six-Prong Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Petal Six-Prong Lab Diamond Engagement Ring In Platinum, Angle View
    Classic Petal Six-Prong Diamond Engagement Ring
    $790
    Bezel Toi Et Moi Oval and Pear Diamond Engagement Ring In Platinum - Lucenjuri Bezel Toi Et Moi Oval and Pear Diamond Engagement Ring In Platinum, Angle View
    Bezel Toi et Moi Oval and Pear Diamond Engagement Ring
    $1,550
    Hidden Halo
    Radiant Petite Pavé Valentina Lab Diamond Engagement Ring In Platinum - Lucenjuri Radiant Petite Pavé Valentina Lab Diamond Engagement Ring In Platinum, Angle View
    Petite Pavé Valentina Diamond Engagement Ring
    $850
    Round Concerto Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Concerto Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Concerto Three Stone Diamond Engagement Ring
    $890
    Marquise Luxe Twisted Vine Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Marquise Luxe Twisted Vine Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Twisted Vine Diamond Engagement Ring
    $1,150
    Round Petite Alma 1.6mm Bezel Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Round Petite Alma 1.6mm Bezel Solitaire Diamond Engagement Ring In Platinum, Angle View
    Petite Alma 1.6mm Bezel Solitaire Diamond Engagement Ring
    $1,190
    Pear Luxe Three Stone Pavé Lab Diamond Engagement Ring In Platinum - Lucenjuri Pear Luxe Three Stone Pavé Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Fiona Three Stone Pavé Diamond Engagement Ring
    $1,090
    Oval Mona Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Mona Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Mona Three Stone Diamond Engagement Ring
    $750
    Hidden Halo
    Round Mystique Halo Six-Prong Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Mystique Halo Six-Prong Lab Diamond Engagement Ring In Platinum, Angle View
    Mystique Halo Six-Prong Diamond Engagement Ring
    $850
    Hidden Halo
    Emerald Luxe Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Luxe Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Valentina Pavé Diamond Engagement Ring
    $950
    Hidden Halo
    Round Luxe Six-Prong Valentina Pavé Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Six-Prong Valentina Pavé Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Six-Prong Valentina Pavé Diamond Engagement Ring
    $990
    Hidden Halo
    Round Hidden Halo Six-Prong Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Hidden Halo Six-Prong Lab Diamond Engagement Ring In Platinum, Angle View
    Mystique Hidden Halo Six-Prong Diamond Engagement Ring
    $750
    Round Luxe Calantha Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri - Lucenjuri Round Luxe Calantha Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Calantha Halo Diamond Engagement Ring
    $1,090
    Hidden Halo
    Oval Seraphine Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Seraphine Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Seraphine Diamond Engagement Ring
    $790
    Emerald Three Stone Emerald Lab Diamond Engagement Ring In Platinum - Lucenjuri Emerald Three Stone Emerald Lab Diamond Engagement Ring In Platinum, Angle View
    Fiona Three Stone Emerald Diamond Engagement Ring
    $990
    Round Calantha Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Calantha Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Calantha Halo Diamond Engagement Ring
    $890
    Cushion Bliss Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Cushion Bliss Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Bliss Halo Diamond Engagement Ring
    $1,090
    Hidden Halo
    Cushion Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Cushion Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Valentina Pavé Diamond Engagement Ring
    $890
    Marquise Alma East-West Bezel Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Marquise Alma East-West Bezel Solitaire Diamond Engagement Ring In Platinum, Angle View
    Alma East-West Bezel Solitaire Diamond Engagement Ring
    $1,290
    Hidden Halo
    Pear Petite Aurea Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Pear Petite Aurea Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Petite Aurea Diamond Engagement Ring
    $850
    Round Ivy Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Ivy Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Ivy Diamond Engagement Ring
    $990
    Toi Et Moi Emerald and Pear Accented Diamond Engagement Ring In Platinum - Lucenjuri Toi Et Moi Emerald and Pear Accented Diamond Engagement Ring In Platinum, Angle View
    Toi et Moi Emerald and Pear Accented Diamond Engagement Ring
    $1,450
    A Promise to Last Forever, Crafted Sustainably
    Celebrate your love story with engagement rings that are as meaningful as they are beautiful. Featuring ethically sourced lab grown diamonds, each ring is a testament to your commitment and shared values.
    Your Love, Perfectly Set
    Complete your love story with wedding bands that beautifully complement your engagement ring. From classic designs to modern styles, find the perfect match to celebrate your forever.
    Hand wearing multiple lab grown diamond engagement rings on a light background
    Create Your Dream Engagement Ring
    Bring your vision to life with Lucenjuri’s easy-to-use design tool, making it effortless to craft the engagement ring of your dreams. Start designing today and create a piece as unique as your love story.
    Discover the enduring strength of platinum. Shop our expertly crafted engagement rings or work with us to create a custom design that perfectly captures your unique love story.
    Competitive Pricing
    Lifetime Warranty
    Free Shipping
    Free Returns

    Customer Reviews

    June 09, 2026
    Beautiful and on time
    I decided to order this ring as my everyday ring. It has a 1 carat Cushion cut stone, that it's absolutely beautiful! You can see how sparkly it is and you can't tell the difference between the natural diamonds in my band and the lab diamonds of the ring. The process was easy and the shopping was as expected.
    Justyna T.
    May 08, 2026
    10/10 couldn't recommend Lucenjuri enough
    I was sceptical of buying something so personal from a website, I was wrong to think that. The ring was easily as beautiful as the pictures on Lucenjuri website. The customer service was excellent throughout the process. I couldn’t recommend Lucenjuri enough 10/10
    Toni R.
    April 26, 2026
    Customer for life
    Perfect! My wife loved her ring. I purchased this piece as a combined Valentine’s and 20th-anniversary gift, and it became one of the most meaningful presents I’ve ever given. The website was really easy to navigate, and the pricing was excellent compared to other jewelers. It arrived promptly with all the necessary diamond certification, which gave us great peace of mind. I will definitely be a customer for life.
    Benjamin T.
    April 05, 2026
    Blown Away by Everything!
    Customer service is top notch and the most helpful I have ever experienced. The ring I had ordered got to me at the perfect time. Along with great customer service the product is even more beautiful than I could have imagined. They had earned a life long customer. I will be spreading the word about Lucenjuri and that it is the place to buy all your jewelry!
    Danny M.
    March 27, 2026
    Recommend
    I definitely recommend Lucenjuri! Take it from me, I was skeptical and overthought a lot about where I am going to purchase a ring. Until I came across Lucenjuri, this company made things a lot easier for me and boosted my confidence in choosing the ring that my bride-to-be will bear forever.
    Eric R.
    March 09, 2026
    Couldn't stop staring
    I had the BEST experience with Lucenjuri! Their website is one of the easiest I've used when it comes to vetting diamonds by specific criteria. My ring arrives today and it is absolutely stunning. I couldn't stop staring! Can't wait to purchase with them again.
    Stephanie D.
    February 21, 2026
    Fan for life!
    From start to finish, my experience with Lucenjuri was exceptional. The value is honestly insane for what you receive. The ring-building process was educational and genuinely confidence-inspiring — I never felt pressured, only informed and supported in making the right choice. I would absolutely recommend Lucenjuri to anyone. I’ll be a lifelong customer for anything diamond-related.
    Ruby M.
    February 06, 2026
    She was ecstatic!
    Amazing! Couldn't be happier...I just recently purchased a halo diamond ring for our 15 anniversary an gave it to my wife over a nice dinner and she was ecstatic...couldn't believe how nice and brilliant it was. Highly recommend getting your diamonds from Lucenjuri.
    Jay
    February 04, 2026
    Customer for life
    I could not be happier with my new ring!!! The quality of the of the diamonds and intricate little details is simply impressive. I was very impressed with how professional and secure the packaging the ring came in. I have had several questions along the way and Christine from customer service has been very helpful and quick to respond. Thank you Lucenjuri for the awesome experience. I will definitely be a customer for life.
    Hayley A.
    January 29, 2026
    Go-to place for jewelry
    I got both my engagement ring and my wedding band from here. Both times I’ve reached out to customer service for one reason or another and both times they responded promptly with great help. Both of my rings get complimented and are very high quality.
    Courtney T.

    Platinum Lab Grown Diamond Engagement Rings

    For those who refuse to compromise, platinum lab grown diamond engagement rings represent the absolute pinnacle of fine jewelry. Naturally white, incredibly dense, and significantly rarer than gold, platinum is the "set it and forget it" luxury for the modern bride. Because it is a naturally white metal, a platinum diamond ring will never yellow or require replating, providing a permanent, mirror-like canvas that allows your lab diamond to shine with a pure, uninterrupted brilliance.

    The Unrivaled Strength of a Platinum Lab Diamond Engagement Ring

    There is a profound sense of security in a platinum lab grown diamond ring. Platinum is significantly more durable than gold; instead of losing metal over time when scratched, the metal simply shifts, creating a unique "patina" that symbolizes a lifetime together. It is the most secure platinum ring with lab diamonds, ensuring your prongs remain strong and your diamond stays exactly where it belongs for generations to come.

    Maximum Sparkle: Certified Lab Diamonds in Platinum Settings

    A metal as prestigious as platinum demands a stone of equal caliber. Every platinum diamond engagement ring in our collection is paired with a hand-selected IGI or GIA certified lab grown diamond. Because platinum is naturally colorless, it doesn't "bleed" any warm tones into the diamond, ensuring your stone's fire is showcased with 100% accuracy and world-class light performance.

    The Ultimate Commitment with a Lucenjuri Lab Diamond Engagement Ring

    Choosing platinum is a statement of permanence and sophisticated taste. It is hypoallergenic, substantial in weight, and represents a commitment built to last. At Lucenjuri, we craft the best lab grown diamond engagement rings for those who believe their jewelry should be as enduring as their love story. It’s a sustainable, high-end, and perfectly timeless choice.

    FAQs

    How to clean a platinum diamond ring?

    To keep your platinum diamond engagement ring hitting the light properly, soak it in warm, soapy water for 20 minutes weekly. Use a soft toothbrush to clear out oils under the setting—this is the secret to maintaining that signature Lucenjuri fire. Unlike gold, platinum won’t wear away with cleaning, so a quick professional polish every few years will keep it looking brand new forever.

    Is platinum better than white gold for a lab diamond?

    If you want a metal that stays white forever without maintenance, platinum is the winner. While white gold requires a rhodium "dip" every year or two, a platinum lab grown diamond ring is naturally white to the core. It’s also denser and heavier, giving you that high-end weight on your finger that screams luxury.

    What is the significance of an engagement ring?

    An engagement ring is a physical manifestation of your shared future. At Lucenjuri, we believe a platinum ring with lab diamonds signifies the exact moment two lives decide to become one. It’s not just jewelry; it’s a permanent, resilient symbol of your unique journey and a commitment that is built to last a lifetime.

    What exactly is a "setting" on an engagement ring?

    Think of the setting as the "architectural stage." It’s the precision-engineered metal that holds your diamond and dictates the ring's personality. A great platinum lab grown diamond ring setting doesn't just hold the stone—it protects it and elevates its fire, ensuring the diamond remains the star of the show.

    How do I get my ring size right at home?

    We’ve made the "surprise" proposal (or the self-reward) stress-free. We provide a printable ring sizer and helpful tips on measuring your finger accurately from the comfort of your home. Whether you're buying a platinum ring with lab diamonds for yourself or a partner, we ensure the fit is as perfect as the stone.

    What are some creative engraving ideas I can add?

    Engravings are the ultimate way to make your Lucenjuri ring yours. Popular ideas include your initials, the coordinates of where you first met, or a meaningful quote. Some of my favorite modern takes? A simple "Always" or the date of your first "Yes." The possibilities are endless—make it as personal as your love story.