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.

    • Featured
    • Most relevant
    • Best selling
    • Alphabetically, A-Z
    • Alphabetically, Z-A
    • Price, low to high
    • Price, high to low
    • Date, old to new
    • Date, new to old
    108 Items
    • Featured
    • Most relevant
    • Best selling
    • Alphabetically, A-Z
    • Alphabetically, Z-A
    • Price, low to high
    • Price, high to low
    • Date, old to new
    • Date, new to old
    Filter
    Emerald Wynter Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Wynter Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Wynter Diamond Engagement Ring
    $890
    Emerald Adorned Couture Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Emerald Adorned Couture Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Adorned Couture Three Stone Diamond Engagement Ring
    $890
    Emerald Ava Cathedral Engagement Ring In Platinum - Lucenjuri Emerald Ava Cathedral Engagement Ring In Platinum, Angle View
    Ava Cathedral Engagement Ring
    $850
    Hidden Halo
    Emerald Petite Infinito Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Petite Infinito Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Petite Infinito Diamond Engagement Ring
    $850
    Emerald Joy Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Joy Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Joy Diamond Engagement Ring
    $950
    Emerald Muse Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Muse Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Muse Three Stone Diamond Engagement Ring
    $850
    Emerald Vrenna Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Vrenna Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Vrenna Diamond Engagement Ring
    $850
    Emerald Luxe Pavé Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Luxe Pavé Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Pavé Halo Diamond Engagement Ring
    $1,350
    Emerald Luxe Halo Luna Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Luxe Halo Luna Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Halo Luna Diamond Engagement Ring
    $1,190
    Emerald Sovereign Charm Halo Lab Diamond Engagement Ring In Platinum - Lucenjuri Emerald Sovereign Charm Halo Lab Diamond Engagement Ring In Platinum, Angle View
    Sovereign Charm Halo Diamond Engagement Ring
    $950
    Emerald Lyra Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Lyra Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Lyra Diamond Engagement Ring
    $890
    Emerald Infinito Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Infinito Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Infinito Diamond Engagement Ring
    $790
    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
    Emerald Aspen Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Aspen Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Aspen Diamond Engagement Ring
    $890
    Emerald Alma 4mm Bezel Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Emerald Alma 4mm Bezel Solitaire Diamond Engagement Ring In Platinum, Angle View
    Alma 4mm Bezel Solitaire Diamond Engagement Ring
    $1,990
    Emerald Thora Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Thora Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Thora Three Stone Diamond Engagement Ring
    $990
    Emerald Prong Bezel Solitaire Diamond Engagement Ring In Platinum - Lucenjuri Emerald Prong Bezel Solitaire Diamond Engagement Ring In Platinum, Angle View
    Prong Bezel Solitaire Diamond Engagement Ring
    $1,190
    Emerald Solaris Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Solaris Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Solaris Halo Diamond Engagement Ring
    $1,050
    Emerald Luxe Victoria Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Luxe Victoria Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Luxe Victoria Diamond Engagement Ring
    $1,350
    Emerald Selena Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Selena Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Selena Diamond Engagement Ring
    $790
    Emerald Carla Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Carla Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Carla Diamond Engagement Ring
    $850
    Emerald Gwendolyn Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Gwendolyn Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Gwendolyn Halo Diamond Engagement Ring
    $1,150
    Emerald Knife Edge Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Knife Edge Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Olivia Knife Edge Diamond Engagement Ring
    $890
    Hidden Halo
    Emerald Nadia Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Nadia Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Nadia Diamond Engagement Ring
    $1,090
    Emerald Knife Edge Cathedral Lab Diamond Engagement Ring In Platinum - Lucenjuri Emerald Knife Edge Cathedral Lab Diamond Engagement Ring In Platinum, Angle View
    Knife Edge Cathedral Diamond Engagement Ring
    $850
    Emerald Viviana Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Viviana Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Viviana Diamond Engagement Ring
    $990
    Emerald Twisted Knot Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Twisted Knot Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Twisted Knot Diamond Engagement Ring
    $790
    Hidden Halo
    Emerald Double Hidden Halo Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Double Hidden Halo Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Double Hidden Halo Diamond Engagement Ring
    $850
    Emerald Luxe Halo And Twisted Shank Lab Diamond Engagement Ring In Platinum - Lucenjuri Emerald Luxe Halo And Twisted Shank Lab Diamond Engagement Ring In Platinum, Angle View
    Luxe Genevieve Halo And Twisted Shank Diamond Engagement Ring
    $1,090
    Emerald Celestia Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Celestia Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Celestia Diamond Engagement Ring
    $1,050
    Emerald Elara Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Elara Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Elara Diamond Engagement Ring
    $790
    Emerald Dulcie Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Dulcie Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Dulcie Three Stone Diamond Engagement Ring
    $790
    Emerald Couture Three Stone Lab Grown Diamond Engagement Ring In Platinum - Lucenjuri Emerald Couture Three Stone Lab Grown Diamond Engagement Ring In Platinum, Angle View
    Couture Three Stone Diamond Engagement Ring
    $890
    Emerald Petite Ciana Three Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Emerald Petite Ciana Three Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Petite Ciana Three Stone Diamond Engagement Ring
    $750
    Emerald Perfect Fit Six Side Stone Lab Diamond Engagement Ring In Platinum - Lucenjuri Emerald Perfect Fit Six Side Stone Lab Diamond Engagement Ring In Platinum, Angle View
    Perfect Fit Six Side Stone Diamond Engagement Ring
    $790
    Emerald Infinito Bezel And Pavé Set Engagement Ring In Platinum - Lucenjuri Emerald Infinito Bezel And Pavé Set Engagement Ring In Platinum, Angle View
    Infinito Bezel And Pavé Set 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.
    Competitive Pricing
    Lifetime Warranty
    Free Shipping
    Free Returns

    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.