Lab-Grown Diamond Engagement Rings

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    Your engagement ring is more than just jewellery; it's a promise and a piece of your story. At U&I Co., every lab-grown diamond engagement ring is made to order over six weeks in our Gympie, Queensland studio. We believe in conscious luxury and considered craftsmanship. Explore our collection of timeless designs, or book a consultation with our founders, Holly and Gerard, to create something uniquely yours.

    53 products
    Pear-Cut Lab Diamond Solitaire Engagement Ring in 18K Yellow Gold, featuring a brilliant EF color VS clarity lab-grown diamond in a claw-prong setting.
    The Ayla Ring - Pear Solitaire
    from $1,217.00
    A beautifully crafted IGI Certified Pear-Shaped Lab-Grown Diamond Open Cuff Ring in 18K yellow gold, featuring two pear-cut diamonds and round brilliant-cut accent diamonds for a luxurious and sophisticated look.
    The Gemini Ring - Double Pear Open Cuff Pavé
    $1,392.00
    Lab-Grown Diamond Eternity Wedding Band in 18K Yellow Gold, featuring 24 round-cut diamonds totaling 1.60 carats, elegantly set in a continuous design symbolizing eternal love.
    The Mayim - Eternity Ring
    $1,783.00
    The Eloise - Rectangle Halo Split Shank Ring
    $1,643.00
    Yellow Gold Vintage-Style Halo Engagement Ring featuring a cushion-shaped frame with 0.73CT T.W. lab-grown diamonds, showcasing intricate halo detailing and a luxurious 18K yellow gold setting.
    The Josephine - Vintage Style Cushion Halo Cluster Ring
    $1,685.00
    18K Yellow Gold Pear-Shaped Engagement Ring featuring a 0.56CT round-cut lab-grown diamond, surrounded by 62 sparkling EF color, VS clarity diamonds. A timeless design that radiates warmth and elegance
    The Vera - Pear Halo Cluster Vintage Style Ring
    $1,277.00
    18K Yellow Gold Oval Cluster Halo Engagement Ring with 0.67 CTW lab-grown diamonds, featuring a stunning oval cluster halo design with round and baguette diamonds in vibrant yellow gold.
    The Frances - Oval Halo Cluster Ring
    $1,506.00
    0.73 CTTW Lab-Grown Diamond Square Cluster Halo Engagement Ring in 18K Yellow Gold with a twisted band design, featuring 65 sparkling diamonds in a square halo setting
    The Cora - Square Halo Cluster Ring
    $1,633.00
    A stunning 0.74 CTTW Lab-Grown Diamond Round Cluster Halo Engagement Ring in 18K Yellow Gold. The warm yellow gold band beautifully complements the sparkling EF color, VS clarity diamonds arranged in a dazzling round cluster halo design.
    The Minerva - Round Halo Cluster Ring
    $1,457.00
    Image of the Lab-Grown Diamond Twisted Band Pear Cluster Halo Engagement Ring in 18K Yellow Gold, featuring a twisted band design and a pear cluster halo setting adorned with 0.58 CTTW of sparkling lab-grown diamonds.
    The Esmé - Pear Halo Cluster Ring
    $1,504.00
    A stunning 18K yellow gold double halo square engagement ring featuring 67 round lab-grown diamonds totaling 0.6 carats, with EF color and VS clarity. The warm gold tone enhances the brilliance of the diamonds for a timeless, elegant look.
    The Thea - Square Halo Cluster Ring
    $1,342.00
    The Alice - Oval Halo Cluster Ring
    $1,624.00
    Image of a 0.67 CTW Round & Baguette EF-VS Lab-Grown Diamond Emerald Cluster Halo Engagement Ring in Yellow 18K Gold, featuring 76 sparkling round and baguette-cut diamonds set in a timeless design
    The Imogen - Emerald Shaped Halo Cluster Ring
    $1,415.00
    18K yellow gold pear-shaped cluster halo engagement ring featuring 0.70 CTTW round EF-VS lab-grown diamonds, showcasing timeless elegance and radiant brilliance
    The Henrietta - Pear Cluster Ring
    from $1,281.00
    Image of the Yellow Gold 0.65 CTTW EF-VS Lab-Grown Round & Baguette Diamond Cluster Double Halo Engagement Ring, featuring 72 sparkling diamonds set in a luxurious 18K yellow gold band.
    The Clara - Round Halo Cluster Ring
    $1,499.00
    18K yellow gold engagement ring with 0.57 carats of lab-grown round and baguette diamonds, elegantly designed for timeless brilliance
    The Phoebe - Round Cluster Ring
    $1,163.00
    1.29CTTW Oval Halo Split Shank Engagement Ring in 18K Yellow Gold, adorned with 143 EF-VS lab-grown diamonds in oval, round, and tapered baguette cuts, showcasing a radiant halo and elegant split shank design
    The Evangeline - Oval Halo Cluster Ring
    $2,110.00
    0.96 CTW Oval Halo Engagement Ring in yellow gold, adorned with 147 EF-VS lab-grown diamonds in round and tapered baguette shapes, featuring a dazzling oval halo design
    The Gwendoline - Oval Halo with Tapered Baguette Ring
    $1,915.00
    Close-up image of a 0.84 CTTW Round and Baguette EF-VS Lab-Grown Diamond Square Cluster Halo Engagement Ring in 18K Yellow Gold. The radiant diamonds are set on a luxurious yellow gold band, showcasing timeless elegance.
    The Margaret - Square Halo Cluster Ring
    $1,919.00
    Round Cluster Halo Engagement Ring in 18K yellow gold featuring 0.54 CTTW lab-grown diamonds with round and baguette shapes, radiating brilliance and timeless elegance.
    The Adelaide - Round Halo Cluster Ring
    $1,538.00
    Triple Emerald-Cut Lab-Grown Diamond Wedding Ring in 18K Yellow Gold featuring three emerald-cut diamonds and pavé-set round diamonds for timeless elegance.
    The Nia - Emerald Cut Trilogy Ring
    $1,783.00
    Square Cushion-Cut Lab-Grown Diamond Wedding Band in 18K Yellow Gold featuring three center stones and a pavé of round-cut diamonds.
    The Isra - Cushion Cut Trilogy Ring
    $1,879.00
    Three-Stone Marquise-Cut Lab-Grown Diamond Wedding Ring
    The Shakti - Marquise Trilogy Ring
    $1,913.00
    Elegant pear-cut lab-grown diamond engagement ring with pavé band in 18K yellow gold, featuring a brilliant pear-cut center stone and round lab-grown diamonds.
    The Vivienne Ring - Pear Solitaire with Double Pavé Band
    from $1,623.00
    Round-Cut Lab-Grown Diamond Engagement Ring with Pavé Band in 18K Yellow Gold, featuring a sparkling center diamond and 74 pavé-set side stones
    The Olivia Ring - Round Solitaire with Double Pavé Band
    from $1,623.00
    Radiant Cut Lab-Grown Diamond Engagement Ring with Pavé Band in 18K Yellow Gold, featuring a brilliant centerpiece and 72 round side stones
    The Arabella Ring - Radiant Solitaire with Double Pavé Band
    from $2,012.00
    Oval-Cut Lab-Grown Diamond Engagement Ring with Pavé Band in 18K Yellow Gold, featuring a classic 4-claw setting and shimmering round diamonds
    The Juliette - Oval Solitaire with Double Pavé Ring
    from $1,623.00
    Three-Stone Round-Cut Lab-Grown Diamond Engagement Ring in 18K Yellow Gold with Claw Prong Setting, featuring a 1-carat center diamond and 0.50-carat side diamonds
    The Amira - Round Cut Trilogy Ring
    $2,361.00