Vintage 18K Gold 8.81 CT GIA Natural Sapphire and Natural Diamond Ring

This vintage 18K yellow gold ring features a GIA-certified 8.81 carat natural sapphire set between two substantial clusters of natural round diamonds. The sapphire has an elongated octagonal outline and a step-cut faceting arrangement, with a dark bluish green color documented by GIA.

Measuring 14.85 × 8.94 × 6.04 mm, the sapphire is secured by four corner prongs. Six natural diamonds are arranged on each side of the center gemstone, creating symmetrical clusters that extend across the upper portion of the ring. The twelve diamonds total approximately 1.20 carats, with E–F color and SI1 clarity.

The 18K yellow gold mounting weighs 10.98 grams and features contrasting light-colored diamond settings. Its broad gemstone arrangement and substantial construction give the ring a distinctive vintage appearance.

The sapphire is accompanied by GIA Sapphire Report 5241074951, dated September 29, 2026. The report identifies the stone as natural sapphire, dark bluish green in color, transparent, and heated. 

Details
Metal: 18K Yellow Gold
Period: Vintage
Natural Sapphire, 8.81 CT, 14.85 × 8.94 × 6.04 MM
Sapphire Color: Dark Bluish Green
Sapphire Treatment: Heated
GIA Report: 5241074951
Natural Diamonds: 12 Round Diamonds, 1.20 CTW, E–F, SI1
Ring Size: 9.5
Weight: 10.98 Grams

Each piece of jewelry is carefully evaluated by our Graduate Gemologist, certified by the Gemological Institute of America (GIA), to ensure quality, authenticity, and lasting beauty.

We invite you to learn more about our craftsmanship and values on our About Us page. If you have any questions or would like personalized assistance, please don’t hesitate to contact us — we’re always happy to help.