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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    114 Items
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    • Most relevant
    • Best selling
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    • Price, low to high
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    • Date, old to new
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    Marquise Willow Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Marquise Willow Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Willow Three Stone Diamond Engagement Ring
    $1,090
    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
    Marquise Three Stone Engraved Lab Diamond Engagement Ring In Platinum - Lucenjuri Marquise Three Stone Engraved Lab Diamond Engagement Ring In Platinum, Angle View
    Francis Three Stone Engraved Diamond Engagement Ring
    $1,090
    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
    Marquise Capella Engraved Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Marquise Capella Engraved Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Capella Engraved Diamond Engagement Ring
    $790
    Toi Et Moi Radiant and Pear Accented Diamond Engagement Ring In Platinum - Lucenjuri Toi Et Moi Radiant and Pear Accented Diamond Engagement Ring In Platinum, Angle View
    Toi et Moi Radiant and Pear Accented Diamond Engagement Ring
    $1,450
    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
    Toi Et Moi Oval and Marquise Diamond Engagement Ring In Platinum - Lucenjuri Toi Et Moi Oval and Marquise Diamond Engagement Ring In Platinum, Angle View
    Toi et Moi Oval and Marquise Diamond Engagement Ring
    $1,350
    Pear Nova Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Pear Nova Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Nova Diamond Engagement Ring
    $850
    Oval Chateau Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Chateau Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Chateau Three Stone Diamond Engagement Ring
    $1,150
    Marquise Laurel Diamond Engageemnt Ring In Platinum - Lucenjuri Marquise Laurel Diamond Engageemnt Ring In Platinum, Angle View
    Laurel Diamond Engagement Ring
    $1,190
    Oval Halo Split Shank Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Halo Split Shank Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Halo Split Shank Diamond Engagement Ring
    $1,150
    Marquise Milgrain Scalloped Lab Diamond Engagement Ring In Platinum - Lucenjuri Marquise Milgrain Scalloped Lab Diamond Engagement Ring In Platinum, Angle View
    Camellia Vintage Milgrain Scalloped Diamond Engagement Ring
    $1,090
    Round Twirled Embrace Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Twirled Embrace Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Twirled Embrace Diamond Engagement Ring
    $1,150
    Marquise Vintage Filigree Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Marquise Vintage Filigree Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Symphony Diamond Engagement Ring
    $750
    Hidden Halo
    Round Minerva Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Minerva Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Minerva Halo Diamond Engagement Ring
    $1,350
    Round Luxe Jasmine Halo Twisted Shank Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Jasmine Halo Twisted Shank Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Jasmine Halo Twisted Shank Diamond Engagement Ring
    $1,150
    Marquise Luxe Francis Engraved Lab Diamond Engagement Ring In Platinum - Lucenjuri Marquise Luxe Francis Engraved Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Francis Engraved Diamond Engagement Ring
    $890
    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
    Round Dahlia Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Dahlia Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Dahlia Halo Diamond Engagement Ring
    $1,190
    Round Luxe Ceriser Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Ceriser Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Ceriser Halo Diamond Engagement Ring
    $1,250
    Round Alexa Luxe Pavé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Alexa Luxe Pavé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Alexa Diamond Engagement Ring
    $1,250
    Princess Luxe Octagon Knife Edge Halo Lab Diamond Engagement Ring In Platinum - Lucenjuri Princess Luxe Octagon Knife Edge Halo Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Octagon Knife Edge Halo Diamond Engagement Ring
    $1,150
    Round Lavinia Vintage Halo Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Lavinia Vintage Halo Lab Diamond Engagement Ring In Platinum, Angle View
    Lavinia Vintage Halo 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
    Round Halo Cabled Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Halo Cabled Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Halo Cabled Diamond Engagement Ring
    $790
    Toi Et Moi Pear and Marquise Diamond Engagement Ring In Platinum - Lucenjuri Toi Et Moi Pear and Marquise Diamond Engagement Ring In Platinum, Angle View
    Toi et Moi Pear and Marquise Diamond Engagement Ring
    $1,350
    Round Decorated Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Decorated Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Decorated Halo Diamond Engagement Ring
    $1,090
    Round Paloma Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Paloma Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Paloma Diamond Engagement Ring
    $950
    Round Engraved And Pavé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Engraved And Pavé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Rhiannon Diamond Engagement Ring
    $950
    Bezel Toi Et Moi Emerald and Pear Diamond Engagement Ring In Platinum - Lucenjuri Bezel Toi Et Moi Emerald and Pear Diamond Engagement Ring In Platinum, Angle View
    Bezel Toi et Moi Emerald and Pear Diamond Engagement Ring
    $1,550
    Cushion Engraved Lab Grown Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Cushion Engraved Lab Grown Solitaire Diamond Engagement Ring In Platinum, Angle View
    Chamise Diamond Engagement Ring
    $850
    Cushion Compass Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Cushion Compass Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Compass Halo Diamond Engagement Ring
    $990
    Round Eternal Blossom Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Eternal Blossom Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Eternal Blossom Diamond Engagement Ring
    $890
    Oval Halo Twisted Shank Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Halo Twisted Shank Lab Diamond Engagement Ring In Platinum, Angle View
    Genevieve Halo Twisted Shank Diamond Engagement Ring
    $1,090
    Oval Tressa Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Tressa Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Tressa Three Stone Diamond Engagement Ring
    $1,190
    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

    May 11, 2026
    Best experience
    I had the best experience with Lucenjuri! My diamond ring arrived today and it is absolutely stunning. I couldn't stop staring! Can't wait to purchase with them again.
    Maria H.
    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.
    May 02, 2026
    Great customer service.
    Christine has been absolutely wonderful! She is so helpful with all my questions, very quick to respond, and always provides additional details for important things I didn't even think to ask. So grateful for all her help, it made such a difference!
    Rylee
    April 27, 2026
    5 Stars
    Beautiful ring just what i wanted
    alberto
    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 25, 2026
    5 Stars
    Products were as ordered.
    John
    April 13, 2026
    Exactly as promised
    Excellent customer service! Very easy process to custom what we were looking for. I’m thankful for the prompt assistance and communication. The marquise ring is beautiful and it’s was exactly as promised.
    Zach J.
    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.
    April 02, 2026
    She loves it
    I purchased my fiancée engagement ring from Lucenjuri last month and she loves it. Came in very well-presented and also diamond certificates! I’m very glad I purchased from here.
    Wally
    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.

    Experience Sustainable Luxury with Lucenjuri

    Our meticulous attention encompasses every aspect of creation — an unwavering focus on comfort, quality, and durability ensures your cherished piece lasts a lifetime. With precision, quality, and affordability as our cornerstones, we invite you to experience sustainable luxury, directly from us to you.

    • Commitment to Ethical Sourcing

    • Unmatched Quality Craftsmanship

    • Sustainable Luxury, Ethically Crafted

    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.