Vintage Marquise Black Onyx & Marcasite Sterling Silver Ring

Art Deco Large Marquise Black Onyx & Marcasite Sterling Silver Ring - Vintage Marquise Cabochon Ring - US Size 6 3/4 Gorgeous tiny marcasites surround a marquise shaped black onyx gemstone set in heavy sterling silver ring. The band is thick and sturdy, and the mounting is an ornate web work of silver, open and cut work artistry. All stones are present. Signed "NF 925" NF is Chapal-Zenray merchandiser. Chapal, Inc. was established in 1980 and is known as one of the leading manufacturers and suppliers of precious metal and gem stone jewelry in the world. • Measures approximately: 11/16" internal diameter (17 mm) • Measures: 1 3/4" long x 3/4" wide • US Size: 6 3/4 • Weight: 8.04 grams