Lab-Grown 1/2 Carat Heart-Shaped Diamond Ring in Platinum

Platinum 0.50 Carat Lab Grown Heart-Cut Diamond Ring

Designed around a 5mm x 5mm lab made heart-shaped diamond, our 1/2 Carat Lab Grown Heart Diamond Engagement Ring carries a quiet substantial feel that comes from both its platinum weight and its material. The center stone is framed by 17 round accent diamonds that trace the heart's outline while 22 more extend down the band, bringing the total diamond weight to approx. 7/8 CTW. With VS clarity and an F color grade, the diamonds present a bright neutral tone that stands in clear contrast against the naturally cool surface of polished platinum.

Diamond Ring Specifications

• Metal: Guaranteed Solid Platinum
• Center Stone: 5x5mm Lab Grown Heart Diamond, 0.50 Carat
• Accent Stones: 17 Round Diamonds Around the Heart, 22 Round Diamonds on the Band
• Total Carat Weight: 7/8 CTW
• Clarity/Color: VS clarity, F color
• Band Width: 1.9mm
• Weight: approx. 3.56 Grams
• Origin: Made in the USA
• Returns: 45-Day Return & Exchange Policy
• Shipping: Free Shipping in the USA (international options available)

Platinum Structure and Stone Placement

The heart shaped center diamond is set in a three-prong mount that keeps the stone open to light while maintaining a low stable profile against the hand. The halo diamonds follow a consistent spacing pattern that defines the heart shape without interrupting its natural curve. Platinum’s density gives the band a grounded feel, adding a sense of permanence that balances the brightness of the diamond layout.

Weight, Form, and Long-Term Use

With a slim band and a carefully distributed stone arrangement, the ring remains comfortable for daily wear while still carrying a noticeable presence. The heart shape adds a personal element without leaning decorative to keep the overall design restrained and practical. Built with lab-grown diamonds and solid platinum, this piece is intended to maintain both structure and meaning over years of regular use. Also available with natural diamond and in various metal types, shown below.