Products There are 4568 products.
Gems: Amethyst Opal Effect Treatment: Thermal and irradiation Measurements: 16.54 x 16.50 x 8.45 mm Weight: 12.80ct Source: -- Quantity: 1 piece
Gem: Natural Green Amethyst (Prasiolite) Origin: Uruguay Heat treatment Measurements: approximately 17.98 x 13.01 x 9.01 mm Weight: 11.53ct...
Gem: Natural Sapphire Origin: Songea (Tanzania) Treatment: heat or diffusion Measurements: approx. 3.3mm Quantity: 9 pieces
Gem: Natural Sapphire Origin: Songea (Tanzania) Treatment: heat or diffusion Measurements: from 2 to 3.3 mm Quantity: 16 pieces
Gem: Natural Amethyst Origin: - Treatment: None Measurements: 16.96 x 13.45 x 8.84mm Weight: 13.84ct Quantity: 1 piece
Gemstones: Green Amethyst (Prasiolite) Provenance: Uruguay Treatment: Heat Sizes: from 13 to 9.8 mm Quantity: 3 pieces