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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    160 Items
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    • Price, high to low
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    Oval Alya Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Alya Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Alya Halo Diamond Engagement Ring
    $850
    Oval Luxe Hera Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Luxe Hera Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Hera Three Stone Diamond Engagement Ring
    $1,390
    Hidden Halo
    Oval Luxe Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Luxe Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Valentina Pavé Diamond Engagement Ring
    $950
    Hidden Halo
    Oval Luxe Six-Prong Valentina Pavé Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Luxe Six-Prong Valentina Pavé Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Six-Prong Valentina Pavé Diamond Engagement Ring
    $990
    Hidden Halo
    Oval Hidden Halo Six-Prong Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Hidden Halo Six-Prong Lab Diamond Engagement Ring In Platinum, Angle View
    Mystique Hidden Halo Six-Prong Diamond Engagement Ring
    $750
    Oval Luxe Calantha Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri - Lucenjuri Oval 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
    Oval Three Stone Emerald Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Three Stone Emerald Lab Diamond Engagement Ring In Platinum, Angle View
    Fiona Three Stone Emerald Diamond Engagement Ring
    $990
    Oval Calantha Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Calantha Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Calantha Halo Diamond Engagement Ring
    $890
    Oval Bliss Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Bliss Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Bliss Halo Diamond Engagement Ring
    $1,090
    Hidden Halo
    Oval Minerva Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Minerva Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Minerva Halo Diamond Engagement Ring
    $1,350
    Hidden Halo
    Oval Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Valentina Pavé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Valentina Pavé Diamond Engagement Ring
    $890
    Oval Alma East-West Bezel Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Oval Alma East-West Bezel Solitaire Diamond Engagement Ring In Platinum, Angle View
    Alma East-West Bezel Solitaire Diamond Engagement Ring
    $1,290
    Oval Luxe Francis Engraved Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Luxe Francis Engraved Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Francis Engraved Diamond Engagement Ring
    $890
    Hidden Halo
    Oval Artemis Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Artemis Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Artemis Diamond Engagement Ring
    $1,190
    Hidden Halo
    Oval Petite Aurea Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Petite Aurea Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Petite Aurea Diamond Engagement Ring
    $850
    Oval Alexa Luxe Pavé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Alexa Luxe Pavé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Alexa Diamond Engagement Ring
    $1,250
    Oval Amia Milgrain Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Amia Milgrain Lab Diamond Engagement Ring In Platinum, Angle View
    Amia Milgrain Diamond Engagement Ring
    $690
    Oval Split Shank Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Split Shank Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Split Shank Halo Diamond Engagement Ring
    $1,390
    Oval Lavinia Vintage Halo Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Lavinia Vintage Halo Lab Diamond Engagement Ring In Platinum, Angle View
    Lavinia Vintage Halo Diamond Engagement Ring
    $990
    Oval Hera Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Hera Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Hera Three Stone Diamond Engagement Ring
    $950
    Hidden Halo
    Oval Six-Prong Hidden Halo Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Six-Prong Hidden Halo Lab Diamond Engagement Ring In Platinum, Angle View
    Six-Prong Hidden Halo Diamond Engagement Ring
    $850
    Oval Halo Cabled Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Halo Cabled Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Halo Cabled Diamond Engagement Ring
    $790
    Oval Luxe Hudson Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Luxe Hudson Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Hudson Diamond Engagement Ring
    $850
    Hidden Halo
    Oval Ophelia Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Ophelia Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Ophelia Diamond Engagement Ring
    $850
    Oval Engraved And Pavé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Engraved And Pavé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Rhiannon Diamond Engagement Ring
    $950
    Oval Petite Classic Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Petite Classic Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Petite Classic Diamond Engagement Ring
    $890
    Oval Split Shank Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Split Shank Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Split Shank Diamond Engagement Ring
    $950
    Oval Engraved Lab Grown Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Oval Engraved Lab Grown Solitaire Diamond Engagement Ring In Platinum, Angle View
    Chamise Diamond Engagement Ring
    $850
    Oval Petite Couture Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Petite Couture Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Petite Couture Three Stone Diamond Engagement Ring
    $850
    Oval Starla Milgrain Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Starla Milgrain Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Starla Milgrain Diamond Engagement Ring
    $850
    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
    Oval Luxe Trillion Cut Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Luxe Trillion Cut Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Trillion Cut Three Stone Diamond Engagement Ring
    $890
    Oval Luxe Three Stone Halo Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Luxe Three Stone Halo Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Fiona Three Stone Halo Diamond Engagement Ring
    $1,290
    Oval Luxe Ciana Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Oval Luxe Ciana Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Ciana Three Stone Diamond Engagement Ring
    $850
    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

    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.