Showing 1787 products
![[Pre-owned] PT900 EMERALD RING E2.695ct D0.34ct 6.6g #13](http://koufuku.jp/cdn/shop/files/2000000088754_3.jpg?v=1767585887&width=480)
![[Pre-owned] PT900 Cabochon Cut Emerald Ring, E6.04ct D0.30ct, 11.0g, Size 11](http://koufuku.jp/cdn/shop/files/2000000024554_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT900 Colombian Emerald Ring, E2.765ct D0.74ct, with GIA Report, 7.9g, #9](http://koufuku.jp/cdn/shop/files/2000000075556_3.jpg?v=1765163849&width=480)
Sold Out
![[Pre-owned] PT900 GARNET RING G3.33ct D0.55ct 7.5g #12](http://koufuku.jp/cdn/shop/files/2000000065809_2.jpg?v=1768882395&width=480)
![[Pre-owned] PT900 GREEN GARNET RING GG0.50ct D0.32ct CGL Sorting 8.4g #15.5](http://koufuku.jp/cdn/shop/files/2000000124940_3.jpg?v=1771658187&width=480)
![[Pre-owned] PT900 GROSSULARITE GARNET RING G1.33ct D1.09ct with CGL Appraisal Report, 7.2g, Size 11](http://koufuku.jp/cdn/shop/files/2000000127637_3.jpg?v=1771658188&width=480)
Sold Out
![[Used] PT900 GARNET Ring G3.66ct D1.51ct 19.7g #16](http://koufuku.jp/cdn/shop/files/2000000014883_2.jpg?v=1768806608&width=480)
![[Pre-owned] PT900 Garnet Ring, D0.17ct, 6.8g, Size 11](http://koufuku.jp/cdn/shop/files/2000000088761_2.jpg?v=1767585958&width=480)
![[Pre-owned] PT900 Garnet Ring G2.01ct D0.25ct 9.1g #10](http://koufuku.jp/cdn/shop/files/2000000006697_2.jpg?v=1765012877&width=480)
![[Pre-owned] PT900 Garnet Ring G3.00ct D0.10ct 7.6g #12](http://koufuku.jp/cdn/shop/files/2000000093536_2.jpg?v=1765877430&width=480)
![[Pre-owned] PT900 Grossular Garnet Ring G1.01ct D1.00ct 7.8g #16](http://koufuku.jp/cdn/shop/files/2000000015019_2.jpg?v=1767585887&width=480)
![[Pre-owned] PT900 Rhodolite Garnet Ring, G2.41ct, D0.11ct, with CGL Sorting, 4.2g, Size 12.5](http://koufuku.jp/cdn/shop/files/2000000007397_3.jpg?v=1767585958&width=480)
![[Used] PT900 GREEN GARNET RING GG3.11ct D0.30ct.8.0g #16](http://koufuku.jp/cdn/shop/files/2000000134741_2.jpg?v=1779353091&width=480)
![[Pre-owned] PT900 HAUYNITE RING Hauynite 0.897ct, Diamond 1.61ct, 7.0g, Size 13](http://koufuku.jp/cdn/shop/files/2000000105239_2.jpg?v=1768808621&width=480)
![[Pre-owned] PT900 JADEITE Ring J2.044ct D0.486ct 7.5g #16](http://koufuku.jp/cdn/shop/files/2000000016818_8.jpg?v=1748238748&width=480)
![[Pre-owned] PT900 JADEITE PENDANT TOP, with Japan Gem Grading Center identification report, 11.9g](http://koufuku.jp/cdn/shop/files/2000000120928_3.jpg?v=1786340772&width=480)
![[Pre-owned] PT900 JADEITE RING, D0.30ct, with Japan Gem Society (JAG) sorting, 6.8g, Size 12](http://koufuku.jp/cdn/shop/files/2000000064123_3.jpg?v=1768806607&width=480)
Sold Out
![[Pre-owned] PT900 JADEITE RING J1.292ct D0.33ct CGL Sorting 4.5g #12](http://koufuku.jp/cdn/shop/files/2000000006567_3.jpg?v=1771665668&width=480)
![[Pre-owned] PT900 JADEITE RING 1.51ct J / 0.24ct D, 5.5g, Size 10.5](http://koufuku.jp/cdn/shop/files/2000000065878_2.jpg?v=1768806607&width=480)
![[Pre-owned] PT900 JADEITE RING J1.78ct D0.30ct 5.5g #14](http://koufuku.jp/cdn/shop/files/2000000048970_2.jpg?v=1768446384&width=480)
![[Pre-owned] PT900 JADEITE RING J13.16ct D1.87ct 13.9g #16](http://koufuku.jp/cdn/shop/files/2000000082417_2.jpg?v=1768446423&width=480)
![[Used] PT900 JADEITE RING J2.117ct D1.65ct with sorting 15.0g #19.5](http://koufuku.jp/cdn/shop/files/2000000125978_3.jpg?v=1771814676&width=480)
KOUFUKU is an e-commerce site that offers a wide range of products, including jewelry, precious metals, designer bags, designer watches, designer apparel, and tableware. In addition to retail sales, we also provide purchase services.
![[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)