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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    38 Items
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    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
    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
    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
    Oval Cordelia Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Cordelia Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Cordelia Diamond Engagement Ring
    $850
    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 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
    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
    Marquise Laurel Diamond Engageemnt Ring In Platinum - Lucenjuri Marquise Laurel Diamond Engageemnt Ring In Platinum, Angle View
    Laurel Diamond Engagement Ring
    $1,190
    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 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 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
    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
    Hidden Halo
    Round Accented Knife-Edge Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Accented Knife-Edge Lab Diamond Engagement Ring In Platinum, Angle View
    Collette Accented Knife-Edge Diamond Engagement Ring
    $990
    Round Luminous Halo Vintage Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Luminous Halo Vintage Lab Diamond Engagement Ring In Platinum, Angle View
    Luminous Halo Vintage Diamond Engagement Ring
    $990
    Round Majestic Bloom Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Majestic Bloom Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Majestic Bloom Diamond Engagement Ring
    $1,390
    Princess Iris Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Princess Iris Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Iris Diamond Engagement Ring
    $790
    Marquise Carnation Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Marquise Carnation Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Carnation Three Stone Diamond Engagement Ring
    $990
    Cushion Rosé Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Cushion Rosé Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Rosé Diamond Engagement Ring
    $1,250
    Hidden Halo
    Oval Petite Infinito Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Oval Petite Infinito Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Petite Infinito Diamond Engagement Ring
    $850
    Round Reverie Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Reverie Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Reverie Diamond Engagement Ring
    $750
    Round Marquise Cluster Halo Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Marquise Cluster Halo Lab Diamond Engagement Ring In Platinum, Angle View
    Marquise Cluster Halo Diamond Engagement Ring
    $1,090
    Round Rosalind Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Rosalind Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Rosalind Diamond Engagement Ring
    $950
    Round Amber Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Amber Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Amber Diamond Engagement Ring
    $1,090
    Round Calla Solitaire Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Calla Solitaire Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Calla Diamond Engagement Ring
    $890
    Emerald Halo Shaped Side Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Emerald Halo Shaped Side Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Halo Philomena Pear Shaped Side Stone Diamond Engagement Ring
    $1,190
    Round Aspen Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Aspen Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Aspen Diamond Engagement Ring
    $890
    Round Freesia Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Freesia Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Freesia Diamond Engagement Ring
    $790
    Round Floral Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Floral Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Floral Halo Diamond Engagement Ring
    $990
    Round Accented Petal Four-Prong Lab Diamond Engagement Ring In Platinum - Lucenjuri Round Accented Petal Four-Prong Lab Diamond Engagement Ring In Platinum, Angle View
    Accented Petal Four-Prong Diamond Engagement Ring
    $890
    Cushion Seraphina Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Cushion Seraphina Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Seraphina Halo Diamond Engagement Ring
    $990
    Round Celestia Halo Engagement Diamond Ring In Platinum - Lucenjuri Round Celestia Halo Engagement Diamond Ring In Platinum, Angle View
    Celestia Halo Engagement Diamond Ring
    $1,190
    Round Elodie Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Elodie Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Elodie Diamond Engagement Ring
    $790
    Round Flocon de Neige Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Round Flocon de Neige Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Flocon de Neige Diamond Engagement Ring
    $950
    Marquise Twisted Knot Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Marquise Twisted Knot Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Twisted Knot Diamond Engagement Ring
    $790
    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.