Lookbook – Goko

Lookbook – Goko

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Paraiba Tourmaline

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Exceptional Stones

GIA Certified 3.80 ct Brazilian Alexandrite Ring

GIA Certified 3.80 ct Brazilian Alexandrite Ring

GIA Certified 3.80 ct Brazilian Alexandrite Ring

¥31,178,770

GRS certified 7.15 ct Burmese Spinel

GRS certified 7.15 ct Burmese Spinel

GRS certified 7.15 ct Burmese Spinel

¥23,384,078

GRS Certified 5.53 ct “Royal Blue” Untreated Sapphire Ring, Sri Lanka Origin

GRS Certified 5.53 ct “Royal Blue” Untreated Sapphire Ring, Sri Lanka Origin

GRS Certified 5.53 ct “Royal Blue” Untreated Sapphire Ring, Sri Lanka Origin

¥10,912,570

GRS Certified 5.11 ct Untreated Mogok Ruby Ring

GRS Certified 5.11 ct Untreated Mogok Ruby Ring

GRS Certified 5.11 ct Untreated Mogok Ruby Ring

¥62,357,540

GRS certified 3.16 ct ”Pigeon blood” Untreated Ruby Ring, Mozambique Origin

GRS certified 3.16 ct ”Pigeon blood” Untreated Ruby Ring, Mozambique Origin

GRS certified 3.16 ct ”Pigeon blood” Untreated Ruby Ring, Mozambique Origin

¥15,589,385

GIA Certified 1.73 Carat Untreated Paraiba Tourmaline Ring, Brazil Origin

GIA Certified 1.73 Carat Untreated Paraiba Tourmaline Ring, Brazil Origin

GIA Certified 1.73 Carat Untreated Paraiba Tourmaline Ring, Brazil Origin

¥27,281,424

GIA Certified 6.39 Carat Paraiba Tourmaline Cocktail Ring, Brazil Origin

GIA Certified 6.39 Carat Paraiba Tourmaline Cocktail Ring, Brazil Origin

GIA Certified 6.39 Carat Paraiba Tourmaline Cocktail Ring, Brazil Origin

¥60,798,602

GIA Certified 2.38 ct Brazilian Alexandrite Ring

GIA Certified 2.38 ct Brazilian Alexandrite Ring

Sold out

GIA Certified 2.38 ct Brazilian Alexandrite Ring

¥12,471,508

Jewelry making since 1970