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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    Round Three Stone Emerald Lab Diamond Engagement Ring In Platinum - Lucenjuri Round 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
    Round Bliss Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Bliss Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Bliss Halo Diamond Engagement Ring
    $1,090
    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
    Hidden Halo
    Round Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Valentina Pavé Diamond Engagement Ring
    $890
    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
    Round Luxe Francis Engraved Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Francis Engraved Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Francis Engraved Diamond Engagement Ring
    $890
    Hidden Halo
    Round Artemis Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Artemis Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Artemis Diamond Engagement Ring
    $1,190
    Hidden Halo
    Round Petite Aurea Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round 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
    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
    Round Amia Milgrain Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Amia Milgrain Lab Diamond Engagement Ring In Platinum, Angle View
    Amia Milgrain Diamond Engagement Ring
    $690
    Round Luxe Octagon Knife Edge Halo Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Octagon Knife Edge Halo Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Octagon Knife Edge Halo Diamond Engagement Ring
    $1,150
    Round Split Shank Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Split Shank Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Split Shank Halo Diamond Engagement Ring
    $1,390
    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
    Round Hera Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Hera Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Hera Three Stone Diamond Engagement Ring
    $950
    Hidden Halo
    Round Six-Prong Hidden Halo Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Six-Prong Hidden Halo Lab Diamond Engagement Ring In Platinum, Angle View
    Six-Prong Hidden Halo Diamond Engagement Ring
    $850
    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
    Round Luxe Hudson Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Hudson Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Hudson Diamond Engagement Ring
    $850
    Hidden Halo
    Round Ophelia Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Ophelia Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Ophelia Diamond Engagement Ring
    $850
    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
    Round Petite Classic Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Petite Classic Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Petite Classic Diamond Engagement Ring
    $890
    Round Split Shank Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Split Shank Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Split Shank Diamond Engagement Ring
    $950
    Round Engraved Lab Grown Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Round Engraved Lab Grown Solitaire Diamond Engagement Ring In Platinum, Angle View
    Chamise Diamond Engagement Ring
    $850
    Round Petite Couture Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Petite Couture Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Petite Couture Three Stone Diamond Engagement Ring
    $850
    Round Starla Milgrain Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Starla Milgrain Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Starla Milgrain Diamond Engagement Ring
    $850
    Round Compass Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round 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
    Round Petite Faceted Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Petite Faceted Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Petite Faceted Diamond Engagement Ring
    $950
    Round Halo Twisted Shank Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Halo Twisted Shank Lab Diamond Engagement Ring In Platinum, Angle View
    Genevieve Halo Twisted Shank Diamond Engagement Ring
    $1,090
    Round Tressa Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Tressa Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Tressa Three Stone Diamond Engagement Ring
    $1,190
    Round Luxe Trillion Cut Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Luxe Trillion Cut Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Trillion Cut Three Stone Diamond Engagement Ring
    $890
    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.
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    Customer Reviews

    June 22, 2026
    Absolutely STUNNING Ring!
    This review is actually for the Athena Crescent Pear ring, which I believe has been sold out, so I decided to leave the review on a similar ring. My now fiancé surprised me with the absolutely STUNNING ring! I could not be happier. The quality is fantastic, the packaging is beautiful and the customer service was outstanding. If you had any doubts about ordering - don’t! I am in love with my beautiful ring ♥️
    Abby S.
    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.

    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.