Gems, Jewelry and Precious Metals
Showing 1854 products
![[Pre-owned] K18YG OPAL RING Black Opal Ring, BO 1.01ct, D 0.16ct, 6.7g, #9](http://koufuku.jp/cdn/shop/files/2000000099644_2.jpg?v=1771665041&width=480)
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![[Used] PT900 Emerald Ring Emerald 3.15ct D0.11ct 4.7g #12](http://koufuku.jp/cdn/shop/files/2000000017280_2.jpg?v=1771665042&width=480)
![[Pre-owned] K18WG/K18PG DIAMOND RING Diamond Ring D0.14ct 3.8g #10](http://koufuku.jp/cdn/shop/files/2000000033723_2.jpg?v=1771665042&width=480)
![[Pre-owned] K18WG Emerald Ring Emerald 2.21ct D0.52ct 2.7g #14.5](http://koufuku.jp/cdn/shop/files/2000000036175_2.jpg?v=1771665041&width=480)
![[Pre-owned] 18K Yellow Gold Diamond Necklace, 1.81ct, 5.86ct, 51.5g](http://koufuku.jp/cdn/shop/files/2000000081939_2.jpg?v=1771665042&width=480)
![[Used] K18YG DIAMOND RING Diamond Ring D2.18ct 5.8g #11.5](http://koufuku.jp/cdn/shop/files/2000000069180_2.jpg?v=1771665042&width=480)
MIKIMOTO
Pre-owned MIKIMOTO PT900 SAPPHIRE RING, unheated Sri Lankan sapphire ring, [...]
$26,674.00
![[Used] K18YG IROISHI Diamond Ring D0.41 1g #12.5](http://koufuku.jp/cdn/shop/files/2000000089560_2.jpg?v=1771665108&width=480)
![[Used] PT900 Emerald Ring, Emerald 1.054ct, D0.62ct, 0.14ct, 5.8g, #12.5](http://koufuku.jp/cdn/shop/files/2000000093482_2.jpg?v=1771665132&width=480)
![[Used] PT900 DIAMOND RING Diamond Ring 0.50ct D0.25ct 3.4g #10](http://koufuku.jp/cdn/shop/files/2000000006635_2.jpg?v=1771665140&width=480)
![[Pre-owned] K18YG/PG/WG DIAMOND RING Three-color gold diamond ring D0.74ct 8.0g #12](http://koufuku.jp/cdn/shop/files/2000000038674_2.jpg?v=1771665140&width=480)
![[Used] K18/PT900 DIAMOND RING Diamond Ring D1.01ct 9.8g #20](http://koufuku.jp/cdn/shop/files/2000000014203_2.jpg?v=1771665152&width=480)
![[Pre-owned] K18WG/YG DIAMOND RING Diamond Chain Ring D0.78ct 11.4g #12.5](http://koufuku.jp/cdn/shop/files/2000000047133_2.jpg?v=1771665153&width=480)
![[Used] K18WG JADEITE RING Jadeite Ring J17.13ct D3.40ct 17.2g #14](http://koufuku.jp/cdn/shop/files/2000000093550_2.jpg?v=1771665153&width=480)
![[Used] K18WG DIAMOND RING Diamond Ring D1.30ct 18.8g #15](http://koufuku.jp/cdn/shop/files/2000000047218_2.jpg?v=1771665153&width=480)
![[Used] PT900 SAPPHIRE RING Sapphire Ring S0.58ct D0.20ct 6.3g #11](http://koufuku.jp/cdn/shop/files/2000000090542_2.jpg?v=1771665152&width=480)
![[Pre-owned] K18YG RUBY RING Ruby Ring R0.875ct D1.30ct 7.5g #15](http://koufuku.jp/cdn/shop/files/2000000038308_2.jpg?v=1771665153&width=480)
![[Used] PT JADEITE RING Jadeite Ring D0.23ct 4.1g #11](http://koufuku.jp/cdn/shop/files/2000000121574_2.jpg?v=1771665153&width=480)
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Recommended Items![[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)
![[Used] PT1000/PT900 BLACK OPAL NECKLACE Black Opal Pendant Necklace BO7.57ct D1.34ct 10.7g](http://koufuku.jp/cdn/shop/files/2000000112718_2.jpg?v=1771816794&width=480)
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