1 Carat Lab-Made Cushion-Cut Diamond Solitaire Ring in Platinum

Platinum 1 Carat Cushion-Cut Lab-Made Diamond Solitaire Ring

Our 1 carat cushion-cut lab-made diamond solitaire ring in platinum makes its statement through shape and substance. Set with a 6mm square cushion-cut stone, the design favors structure over flair—a piece for those drawn to balance and clarity. The 4-prong setting holds the diamond in full view, while the platinum body brings both visual coolness and unmistakable weight to the hand. With a 2mm wide, 1.5mm thick band, it keeps proportion steady without unnecessary excess.

Specifications

• Solid platinum
• Gram weight: Approximately 5.09 grams
• Lab-created diamond: 1 carat (6x6mm cushion cut)
• Color & Clarity: GHI, SI (Upgrade options: F-G, VS or D, VVS2)
• 4-prong setting
• Band: 2mm width x 1.5mm thickness
• Available in women’s ring sizes 4 through 9
• 45-day return policy
• Free U.S. shipping with international options

On Lab-Grown Diamonds

What separates lab-grown diamonds isn’t what they are—it’s how they come into being. Grown through precise methods that replicate natural formation, these stones carry the same atomic structure and brilliance as mined diamonds. No difference to the eye or touch. Just a modern way to own a real diamond without traditional sourcing.

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