Gems, Jewelry, and Precious Metals
Showing 1929 products
![[Pre-owned] K18WG SAPPHIRE RING Sapphire Invisible Setting Ring S8.25ct D0.55ct 15.4g #16.5](http://koufuku.jp/cdn/shop/files/2000000127682_2.jpg?v=1771658188&width=480)
![[Pre-owned] MIKIMOTO K14WG White South Sea Baroque Pearl Necklace 13.5-16.0mm 106.1g, includes box, appraisal, and certificate, ONE PRICE USED](http://koufuku.jp/cdn/shop/files/2000000051475_4.jpg?v=1771658187&width=480)
MIKIMOTO
[Pre-owned] MIKIMOTO K14WG White South Sea Baroque Pearl Necklace 13.5-16.0[...]
$18,535.00
![[Pre-owned] PT900/K18YG DIAMOND RING D0.76ct 10.5g #13](http://koufuku.jp/cdn/shop/files/2000000130385_2.jpg?v=1771658187&width=480)
![[Pre-owned] K18WG SOUTH SEA PEARL PENDANT NECKLACE White South Sea Pearl Pendant Necklace P12.5mm D1.26ct 37.6g](http://koufuku.jp/cdn/shop/files/2000000107615_4.jpg?v=1774845353&width=480)
![[Pre-owned] K18WG TAHITIAN PEARL RING Black Pearl Ring P15.0mm D0.88ct 18.9g #12.5](http://koufuku.jp/cdn/shop/files/2000000056630_2.jpg?v=1771658187&width=480)
![[Pre-owned] K18YG PEARL NECKLACE D0.34ct 14.5g](http://koufuku.jp/cdn/shop/files/2000000115740_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18WG EMERALD RING E2.91ct D0.15ct 4.2g #10](http://koufuku.jp/cdn/shop/files/2000000036311_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18/PT900 TAHITIAN PEARL PENDANT NECKLACE Reversible Black Pearl Pendant Necklace P14.5mm D0.10ct 11.6g](http://koufuku.jp/cdn/shop/files/2000000125565_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18WG Emerald Ring E7.31ct D1.06ct 8.2g #13](http://koufuku.jp/cdn/shop/files/2000000069289_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18WG DIAMOND NECKLACE D12.59ct 91.3g](http://koufuku.jp/cdn/shop/files/2000000097824_2.jpg?v=1771658189&width=480)
![[Pre-owned] K18YG SOUTH SEA PEARL RING 13.2mm P, 1.46ct D, 14.8g, Size 10.5](http://koufuku.jp/cdn/shop/files/2000000057033_2.jpg?v=1771658188&width=480)
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![[Pre-owned] PT900 RUBY RING Burmese Ruby Ring R1.01ct D0.62ct AIGS Pigeon Blood with Appraisal Report 12.0g #11](http://koufuku.jp/cdn/shop/files/2000000022703_3.jpg?v=1771658188&width=480)
![[Pre-owned] K18YG PARAIBA TOURMALINE RING, PT2.614ct, D1.49ct, with sorting, 8.3g, size 12](http://koufuku.jp/cdn/shop/files/2000000126005_3.jpg?v=1771658188&width=480)
![[Pre-owned] PT900 DIAMOND RING D0.63ct 14.8g #12](http://koufuku.jp/cdn/shop/files/2000000127989_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18YG EMERALD RING E0.97ct D1.60ct 10.3g #12](http://koufuku.jp/cdn/shop/files/2000000130316_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18WG EMERALD RING E3.31ct D0.30ct 4.6g #13](http://koufuku.jp/cdn/shop/files/2000000036724_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18WG Sapphire Ring S4.00ct D0.22ct 6.9g #12](http://koufuku.jp/cdn/shop/files/2000000123172_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18YG RUBY RING R0.84ct D0.60ct with Appraisal Report 7.5g #12.5](http://koufuku.jp/cdn/shop/files/2000000115528_3.jpg?v=1771658188&width=480)
![[Pre-owned] K18YG RUBY RING R1.08ct R1.28ct D0.80ct 8.2g #12](http://koufuku.jp/cdn/shop/files/2000000130149_2.jpg?v=1771658188&width=480)
![[Pre-owned] Nobuko Ishikawa K18/PT900 TOURMALINE RING Red Tourmaline Ring T2.73ct D0.56ct 14.5g #13](http://koufuku.jp/cdn/shop/files/2000000131023_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18YG RUBY RING R1.35ct D0.78ct 10.0g #10](http://koufuku.jp/cdn/shop/files/2000000131207_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18PG Diamond Men's Eternity Ring D1.23ct 7.8g #28](http://koufuku.jp/cdn/shop/files/2000000044064_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18WG DIAMOND PENDANT NECKLACE Diamond Skull Pendant Necklace D3.18ct 20.2g](http://koufuku.jp/cdn/shop/files/2000000115764_2.jpg?v=1771658188&width=480)
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![[Pre-owned] MITSUKOSHI K18YG Ruby & Diamond Ring R0.79ct D0.82ct 7.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000145907_2.jpg?v=1788151913&width=480)
![[Used] PT900 NO HEAT SAPPHIRE RING Sri Lankan Unheated Sapphire Ring S5.40ct D1.19ct GIA Certificate 10.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000133799_3.jpg?v=1777881348&width=480)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)
