Elegant Vintage 14K Ring USSR 583 Rose Gold with star, sapphire LAB (corundum) stone, Soviet Retro Russian Women's jewelry Ring size US - 7-7,5 Base Metal: Gold 14K (Russian Hallmark: 583 Star with Sickle and Hammer) Base Stone: Sapphire LAB (corundum) Manufacturer Country: USSR Soviet Union Russia, Yerevan Jewelry Factory, 1979 Total weight: 6.12 g. Thank you for watching!