Goko

3.02 ct mozambique "pigeon blood" ruby ring

grs certified 4.46 ct colombian "muzo" vivid green emerald, minor

vietnam ruby sets

grs certified 12.80 ct untreated "royal blue" sapphire ring, burma origin

gia certified 1.73 carat untreated paraiba tourmaline ring, brazil origin

grs certified 2.00 ct "pigeon blood" untreated ruby ring, burma origin

2.29 ct burmese "pigeon blood" ruby ring, no-heat

2.89 ct muzo vivid green emerald ring

gia certified 6.39 carat paraiba tourmaline cocktail ring, brazil origin

grs certified 3.26 ct, "pigeon blood" untreated ruby ring, burma origin

30.49ct colombian "non-oil" emeralds necklace and paired emeralds earring

grs certified 3.33 ct, "pigeon blood" untreated ruby ring, burma origin

3.32 ct mozambique "pigeon blood" ruby ring, no-heat

grs certified 6.01 ct "padparadscha" untreated sapphire ring, sri lanka origin

2.22 ct colombian "vibrant" emerald ring, minor

1.81 ct muzo vivid green emerald ring

1.87 ct muzo vivid green emerald ring

4.69 ct colombian muzo green “mariposa” emerald, minor

grs certified 6.54 ct "royal blue" sapphire ring, sri lanka origin

trapiche emeralds necklace and paired emeralds earring