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
    $1,602 AUD
    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
    $1,602 AUD
    Emerald Ava Cathedral Engagement Ring In Platinum - Lucenjuri Emerald Ava Cathedral Engagement Ring In Platinum, Angle View
    Ava Cathedral Engagement Ring
    $1,530 AUD
    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
    $1,530 AUD
    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
    $1,710 AUD
    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
    $1,530 AUD
    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
    $1,530 AUD
    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
    $2,430 AUD
    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
    $2,142 AUD
    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
    $1,710 AUD
    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
    $1,602 AUD
    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
    $1,422 AUD
    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
    $2,142 AUD
    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
    $1,602 AUD
    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
    $3,582 AUD
    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
    $1,782 AUD
    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
    $2,142 AUD
    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
    $1,890 AUD
    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
    $2,430 AUD
    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
    $1,422 AUD
    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
    $1,530 AUD
    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
    $2,070 AUD
    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
    $1,602 AUD
    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
    $1,962 AUD
    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
    $1,530 AUD
    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
    $1,782 AUD
    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
    $1,422 AUD
    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
    $1,530 AUD
    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
    $1,962 AUD
    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
    $1,890 AUD
    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
    $1,422 AUD
    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
    $1,422 AUD
    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
    $1,602 AUD
    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
    $1,350 AUD
    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
    $1,422 AUD
    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
    $1,530 AUD
    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.

    Customer Reviews

    Hear why our customers love Lucenjuri

    Stunning ring, 3 carat diamond in platinum
    I am absolutely delighted with my ring, it is everything I wanted it to be. I have had many compliments about it and would have no hesitation in recommending this company, in fact two of my friends have recently purchased from here and I awaiting delivery of a Solitaire diamond ring. The jewellry is exquisite and very competitively priced with seemingly endless options, also the Customer Service is outstanding.
    Val K.
    October 19, 2026
    5 Stars
    Absolutely Gorgeous! The diamond is perfect! I reached out to the team and had some pretty specific specs. They went through and found the perfect stone for me and allowed me to choose this specific stone. Their customer service was impeccable. It took about 10 days from ordering to delivery. It was delivered in a beautiful box with the certificate. I’m so glad I found this company!
    Ursula
    September 21, 2026
    Anniversary gift
    Bought this for our 10 year anniversary and it arrived earlier than expected. My wife loved the sparkle right away, and the quality felt much better than anything we saw locally.
    Johnny
    September 16, 2026
    Amazing experience
    I couldn't be happier with my wedding set from Lucenjuri! The team went above and beyond to help me design the exact ring I wanted. The consultants were patient, kind, and highly communicative throughout the entire process. When the rings arrived, I was absolutely blown away by the gorgeous details and incredible quality. I'm a customer for life!
    Shonna W.
    September 07, 2026
    Perfect anniversary upgrade
    My wife had mentioned a toi et moi ring a few times, so I chose this for our anniversary. The radiant and pear stones look amazing together and feel really special.
    Chris L.
    September 06, 2026
    Sleek and beautiful
    I wanted the Myra with a different band and the process was easier than I expected. The finished ring has a sleek look and the diamond sparkles beautifully.
    Dorine S.
    August 23, 2026
    5 Stars
    My ring is beautiful!! Exactly as shown and described. High quality craftsmanship and outstanding communication and customer care! Christine is wonderful and tge best customer care person I have ever worked with! Highly recommended!
    Tracy
    August 04, 2026
    Stunning
    Words and pictures can not describe or do justice for this stunning, gorgeous ring, very sparkly will definitely be buying more from them. Packaging and presentation of the ring when I received was just as gorgeous
    Amber R.
    July 25, 2026
    No regrets
    Buying something this important online made me nervous, but the whole experience was smooth. The ring arrived safely and looked even better than I expected.
    Kevin W.
    July 25, 2026
    ***** Custom Design
    I knew exactly what I wanted, but the ring wasn't available on the website. I contacted Lucenjuri and Christina help me with getting the design finalized. It was a great experience, Christina was very responsive and accommodating. This is my second ring I ordered from Lucenjuri and I couldn't be happier! It features the "Chateau" style band and a 2.19 carat oval diamond. Love it!
    Justyna T.
    July 23, 2026
    Competitive Pricing
    Lifetime Warranty
    Free Shipping
    Free Returns

    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.