OSCAR HEYMAN & BROTHERS Ring

OSCAR HEYMAN & BROTHERS
A striking rosette-style ring crafted in platinum, featuring a 7.91-carat natural emerald in an octagonal emerald cut, with a vivid green color and good transparency, originating from Colombia. According to the gemological report, it shows signs of minor clarity enhancement.
The emerald, set in four yellow gold prongs, is surrounded by a composition of colorless diamonds and diamonds in shades of yellow and orange, of various cuts and sizes, arranged at different heights around the center stone. The diamonds have a total weight of approximately 6.69 ct. High-set setting with an openwork bezel and a platinum shank.
Inscriptions “IRID. PLAT.” and “679” on the inside of the band.
Accompanied by a gemological report from C. Dunaigre Consulting, Switzerland, No. CDC 2502182, dated February 19, 2025, certifying the nature of the emerald, its weight of 7.91 ct, Colombian origin, Vivid Green color, and the presence of signs of minor clarity enhancement.
Weight: 14 grams
Measurements: 18 mm (inner diameter); 24 x 24 mm (face).

Founded in New York in 1912, Oscar Heyman & Brothers is one of the historic firms of American fine jewelry, renowned for its specialization in colored gemstones and its elaborate platinum settings. Its creations stand out for the quality of their gemological selection and the precision of their setting work, which have earned the firm recognition from leading international jewelry houses.