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

Platinum 0.70 Carat Lab Grown Heart Diamond Solitaire Ring

Built from solid platinum and set with a 0.70 carat heart-shaped lab-grown diamond, our solitaire ring carries strength and intentional design. The 6x6mm center stone is cradled in a 5-prong setting that follows the natural curvature of the diamond’s shape without overwhelming its presence. A sleek 2mm band with a 1.5mm thickness provides a clean base in approx. 5.10 grams of solid platinum.

Specifications

• Guaranteed Platinum
• Gram weight: Approx. 5.10 grams
• Lab grown diamond: 0.70 carat (3/4 ct), 6x6mm heart shape
• Color & Clarity: F-G Color, VS Clarity
• 5-prong setting
• Band size: 2mm width x 1.5mm thickness
• Available in women’s ring sizes 4–9
• Free shipping in the U.S. (global options available)
• 45-day return policy

About Lab Grown Diamonds

Lab grown diamonds share the same chemical and optical traits as mined stones, formed in controlled environments using high-pressure or vapor deposition methods. These stones aren't replicas—they’re the same substance, just formed above the ground.

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