3/4 Carat Lab-Grown Cushion-Cut Diamond Solitaire Ring in Platinum

Platinum 0.75 Carat Lab-Grown Cushion-Cut Diamond Solitaire Ring

Crafted in pure platinum, our 3/4 carat lab grown cushion-cut diamond solitaire ring finds its strength in clean lines and focused intent. The 5mm x 5mm square diamond, set in a 4-prong mount, reflects light with a brilliance, pairing sharp edges with soft corners in a shape prized for its balance. The band measures 2mm wide and 1.5mm thick, in approx. 4.88 grams of solid platinum through and through.

Specifications

• Guaranteed solid platinum
• Lab created cushion-cut diamond: 3/4 carat (5mm x 5mm)
• Color & Clarity: GHI, SI (Optional upgrades: F-G, VS or D, VVS2)
• 4-prong solitaire setting
• Band dimensions: 2mm width × 1.5mm thickness
• Weight: approx. 4.88 gram
• Ring sizes: 4 to 9
• Free U.S. shipping and international delivery options
• 45-day return window

About Lab Made Diamonds

Lab-created diamonds share the same physical, chemical, and visual properties as mined stones. Formed using advanced processes like HPHT or CVD, each diamond is structurally identical to what comes from the earth, offering clarity and origin transparency. They're not imitations—they’re real diamonds, made above ground with intent and precision.

Available in larger diamond sizes and natural diamonds, shown below.