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

¥33,257,084

GRS certified 7.15 ct Burmese Spinel

GRS certified 7.15 ct Burmese Spinel

GRS certified 7.15 ct Burmese Spinel

¥24,942,813

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

¥11,639,979

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

¥66,514,168

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

¥16,628,542

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

¥29,099,949

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

¥64,851,314

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

¥13,302,834

Jewelry making since 1970