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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    208 Items
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    MOST LOVED
    Round Petite Adora Solitaire Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Petite Adora Solitaire Lab Diamond Engagement Ring In Platinum, Angle View
    Petite Adora Solitaire Diamond Engagement Ring
    $650
    MOST LOVED
    Round Accented Twisted Vine Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Accented Twisted Vine Lab Diamond Engagement Ring In Platinum, Angle View
    Accented Twisted Vine Diamond Engagement Ring
    $990
    Round Willow Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Willow Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Willow Three Stone Diamond Engagement Ring
    $1,090
    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
    Round Three Stone Twisted Vine Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Three Stone Twisted Vine Lab Diamond Engagement Ring In Platinum, Angle View
    Three Stone Petite Twisted Vine Diamond Engagement Ring
    $1,150
    Round Three Stone Engraved Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Three Stone Engraved Lab Diamond Engagement Ring In Platinum, Angle View
    Francis Three Stone Engraved Diamond Engagement Ring
    $1,090
    Hidden Halo
    Round Aurea Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Aurea Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Aurea Diamond Engagement Ring
    $890
    Hidden Halo
    Round Mystique Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Mystique Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Mystique Halo Diamond Engagement Ring
    $750
    Round Myra Solitaire Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Myra Solitaire Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Myra Solitaire Diamond Engagement Ring
    $690
    Round Alma 2mm Bezel Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Round Alma 2mm Bezel Solitaire Diamond Engagement Ring In Platinum, Angle View
    Alma 2mm Bezel Solitaire Diamond Engagement Ring
    $1,350
    Round Cordelia Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Cordelia Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Cordelia Diamond Engagement Ring
    $850
    Round Capella Engraved Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Capella Engraved Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Capella Engraved Diamond Engagement Ring
    $790
    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
    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
    Round Petite Hudson Milgrain Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Petite Hudson Milgrain Lab Diamond Engagement Ring In Platinum, Angle View
    Petite Hudson Milgrain Diamond Engagement Ring
    $750
    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
    Hidden Halo
    Round Petite Pavé Valentina Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Petite Pavé Valentina Lab Diamond Engagement Ring In Platinum, Angle View
    Petite Pavé Valentina Diamond Engagement Ring
    $850
    Round Nova Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Nova Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Nova 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
    Round Sonata Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Sonata Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Sonata Three Stone Diamond Engagement Ring
    $1,050
    Round Luxe Twisted Vine Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Twisted Vine Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Twisted Vine Diamond Engagement Ring
    $1,150
    Round Chateau Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Chateau Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Chateau Three Stone 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
    Round Luxe Three Stone Pavé Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Three Stone Pavé Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Fiona Three Stone Pavé Diamond Engagement Ring
    $1,090
    Round Laurel Diamond Engageemnt Ring In Platinum - Lucenjuri Round Laurel Diamond Engageemnt Ring In Platinum, Angle View
    Laurel Diamond Engagement Ring
    $1,190
    Round Mona Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Mona Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Mona Three Stone Diamond Engagement Ring
    $750
    Round Trillion Cut Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Trillion Cut Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Trillion Cut Three Stone Diamond Engagement Ring
    $750
    Round Halo Split Shank Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Halo Split Shank Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Halo Split Shank Diamond Engagement Ring
    $1,150
    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
    Round Milgrain Scalloped Lab Diamond Engagement Ring In Platinum - Lucenjuri Round 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
    Round Three Stone Marquise Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Three Stone Marquise Lab Diamond Engagement Ring In Platinum, Angle View
    Athena's Three Stone Oval Diamond Engagement Ring
    $990
    Round Vintage Filigree Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Vintage Filigree Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Symphony Diamond Engagement Ring
    $750
    Round Alya Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Alya Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Alya Halo Diamond Engagement Ring
    $850
    Round Luxe Hera Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Hera Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Hera Three Stone Diamond Engagement Ring
    $1,390
    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.
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    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
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    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.