Bidspirit auction | Harry Ivens multicolor ring GG

Harry Ivens multicolor ring GG 3 - Harry Ivens multicolor ring GG 375/000 with an emerald-cut faceted tourmaline 5.9 x 4.0 mm and 6 oval faceted tanzanites 3.8 x 2.9 - 3.7 x 2.7 mm in a light blue-violet, transparent, RG 57, IV stamped, 2.7 g