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

Platinum 0.75 Carat Round Lab Grown Diamond Solitaire Ring

Made with solid platinum and centered around a 3/4 carat lab-created diamond, our solitaire ring is built for both strength and clarity. The stone—measuring 5.8mm—is set in a clean 4-prong head, giving it just enough height while letting light strike from every angle. The band is smooth, durable, and slightly weighted at approx. 4.92 grams, offering a noticeable presence without being bulky. Ring sizes range from 4 to 9, designed for daily wear or lifelong commitment.

Specifications

• Solid platinum construction (approx. 4.92 grams)
• Lab-created diamond: 3/4 carat (0.75ct), 5.8mm round
• G-H color, SI1-2 clarity (Upgrades: F+ VS or D VVS1 available)
• Band width: 2mm
• Thickness: 1.5mm
• 4-prong setting
• Available in women's ring sizes 4 through 9
• Free U.S. shipping + 45-day returns (global shipping available)

How Lab Diamonds Are Made

Instead of growing beneath the earth over centuries, lab diamonds are created above ground using advanced methods like HPHT and CVD. What you get is real diamond—same brilliance, same durability, same chemical structure. The only difference is the origin. Choosing lab-grown means you're getting an authentic gem shaped with precision, without the complications of mining.

Do you want a natural diamond instead of lab-made? Contact us.

Available in larger diamond sizes, shown below.