Showing 184 products
![[Pre-owned] K18/PT850 RUBY Ruby Ring R0.41ct D0.18ct 5.0g #12](http://koufuku.jp/cdn/shop/files/2000000068473_2.jpg?v=1751698229&width=480)
![[Used] Les Essentielles K18WG DIAMOND RING 3.5g #16](http://koufuku.jp/cdn/shop/files/2000000010465_2.jpg?v=1750923953&width=480)
![[Pre-owned] K18WG Diamond Full Eternity Ring D3.25ct 4.8g #13](http://koufuku.jp/cdn/shop/files/2000000069326_2.jpg?v=1750472223&width=480)
![[Pre-owned] K18WG Mozambique Unheated Ruby Ring R2.01ct D1.08ct 6.1g #12 GRS Certified](http://koufuku.jp/cdn/shop/files/2000000068985_4.jpg?v=1750401687&width=480)
![[Pre-owned] K18WG Black Opal Ring BO1.85ct D0.28ct 4.0g #12](http://koufuku.jp/cdn/shop/files/2000000045924_2.jpg?v=1750401688&width=480)
![[Pre-owned] PT900 RUBY Ring R0.732ct D0.56ct 8.0g #15](http://koufuku.jp/cdn/shop/files/2000000013091_2.jpg?v=1750401687&width=480)
![[Pre-owned] K18YG Ruby Ring R0.59ct D1.00ct 6.9g #12](http://koufuku.jp/cdn/shop/files/2000000044378_2.jpg?v=1750401687&width=480)
![[Pre-owned] PT900 RUBY Unheated Ruby Ring R1.077ct D0.72ct 5.8g #12 with Appraisal Report](http://koufuku.jp/cdn/shop/files/2000000011783_3.jpg?v=1750401687&width=480)
![[Pre-owned] PT900 Imperial Topaz Ring T0.77ct D0.60ct 6.2g #14](http://koufuku.jp/cdn/shop/files/2000000003665_2.jpg?v=1749884385&width=480)
![[Pre-owned] LES ESSENTIELLES K18WG Ruby Ring, Invisible Setting, 6.7g, Size 19](http://koufuku.jp/cdn/shop/files/2000000040448_2.jpg?v=1749178071&width=480)
LES ESSENTIELLES
[Pre-owned] LES ESSENTIELLES K18WG Ruby Ring, Invisible Setting, 6.7g, Size 19
$2,232.00
Sold Out
![[Pre-owned] K18 Ruby Ring R1.19ct D0.82ct 4.8g #10.5](http://koufuku.jp/cdn/shop/files/2000000039800_2.jpg?v=1749175383&width=480)
![[Pre-owned] K18YG RUBY Ring R0.30ct D0.71ct 3.0g #9.5](http://koufuku.jp/cdn/shop/files/2000000073101_2.jpg?v=1753147302&width=480)
![[Pre-owned] PT900 RUBY Ruby Ring R0.20ct D0.86ct 6.7g #11](http://koufuku.jp/cdn/shop/files/2000000011196_2.jpg?v=1746249798&width=480)
![[Pre-owned] HARRY WINSTON PT950 Lotus Cluster Diamond Ring #10.5](http://koufuku.jp/cdn/shop/files/2000000010892_3.jpg?v=1746247967&width=480)
![[Pre-owned] TASAKI PT1000 Diamond Ring D0.782ct D0.36ct 4.4g #8.5](http://koufuku.jp/cdn/shop/files/2000000022154_2.jpg?v=1746178202&width=480)
![[Pre-owned] CHANEL PT950 Coco Crush Ring, 5 Diamonds, 4.0g, Size 12.5](http://koufuku.jp/cdn/shop/files/2000000016924_2.jpg?v=1746173448&width=480)
![[Used] PT900 SAPPHIRE RING S1.24ct D0.64ct CGL Certificate #14 11.6g](http://koufuku.jp/cdn/shop/files/2000000071640_2.jpg?v=1746162159&width=480)
![[Pre-owned] PT900 Tahiti Pearl Ring 10.7mm D0.23ct 6.8g #8](http://koufuku.jp/cdn/shop/files/2000000026343_2.jpg?v=1746161613&width=480)
![[Pre-owned] K18WG Blue Topaz Ring, D0.690ct, D1.00ct, 16.1g, Size 13](http://koufuku.jp/cdn/shop/files/2000000069661_2.jpg?v=1746161371&width=480)
![[Pre-owned] PT900 JADEITE Ring, J2.27ct, D0.41ct, with GGS Sorting, 6.3g, #9.5](http://koufuku.jp/cdn/shop/files/2000000021942_3.jpg?v=1746157084&width=480)
![[Pre-owned] K18WG Ruby Ring, R2.45ct D0.76ct, Japan Jewelry Association Sorting, 4.9g, Size #12.5](http://koufuku.jp/cdn/shop/files/2000000071275_8.jpg?v=1748238748&width=480)
![[Pre-owned] POLA K18YG Diamond Ring D0.38ct 5.4g #13](http://koufuku.jp/cdn/shop/files/2000000053110_2.jpg?v=1745900526&width=480)
![[Pre-owned] MAXI K18YG Diamond Ring D0.272ct D0.20ct #10 2.6g](http://koufuku.jp/cdn/shop/files/2000000011349_2.jpg?v=1745899726&width=480)
![[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)
