Gems, Jewelry and Precious Metals
Showing 1707 products
![[Used] PT900 Emerald Ring Emerald 0.66ct D0.60ct 5.3g #12.5](http://koufuku.jp/cdn/shop/files/2000000115122_2.jpg?v=1768446422&width=480)
![[Used] PT900 Jadeite Ring, Jadeite 13.16ct, D1.87ct, 13.9g, #16](http://koufuku.jp/cdn/shop/files/2000000082417_2.jpg?v=1768446423&width=480)
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![[Pre-owned] K18WG OPAL RING Opal Ring OP 0.93ct D 0.12ct 3.4g #13.5](http://koufuku.jp/cdn/shop/files/2000000045191_2.jpg?v=1768800609&width=480)
![[Pre-owned] PT900 Star Sapphire Ring, 7.92ct Stone, 0.57ct Stone, 8.8g, #14](http://koufuku.jp/cdn/shop/files/2000000003917_2.jpg?v=1768800609&width=480)
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![[Used] PT900 White Opal Ring, OP 0.80ct, D 0.30ct, 5.9g, #10](http://koufuku.jp/cdn/shop/files/2000000071749_2.jpg?v=1768800609&width=480)
![[Pre-owned] PT900 BLACK OPAL RING Black Opal Ring, BO 3.51ct, D 1.38ct, 13.8g, #10](http://koufuku.jp/cdn/shop/files/DSC_4703.jpg?v=1777278503&width=480)
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![[Pre-owned] 18K White Gold Boulder Opal Ring, OP 4.09ct, D 0.51ct, 6.7g, #13](http://koufuku.jp/cdn/shop/files/2000000070650_2.jpg?v=1768800609&width=480)
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![[Used] PT900 White Opal Ring, D0.43ct, 9.2g, #8.5](http://koufuku.jp/cdn/shop/files/2000000017716_2.jpg?v=1768800609&width=480)
![[Used] PT900 SAPPHIRE RING, S2.00ct, D1.08ct, CGL Sorting, 9.5g, #15](http://koufuku.jp/cdn/shop/files/2000000019239_3.jpg?v=1768800609&width=480)
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![[Pre-owned] K18WG STAR SAPPHIRE RING Star Sapphire Ring SS4.90ct D0.55ct 5.8g #14](http://koufuku.jp/cdn/shop/files/2000000039565_2.jpg?v=1768800609&width=480)
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![[Pre-owned] K18WG OPAL RING Opal Ring BO3.10ct D0.14ct 4.8g #13](http://koufuku.jp/cdn/shop/files/2000000036663_2.jpg?v=1768800609&width=480)
![[Pre-owned] K18WG OPAL Black Opal Ring, BO 1.50ct, D 0.38ct, 3.5g, #13.5](http://koufuku.jp/cdn/shop/files/2000000047874_2.jpg?v=1768800609&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.35ct D0.65ct NGL Certificate 13.0g #14](http://koufuku.jp/cdn/shop/files/2000000018959_2.jpg?v=1768800610&width=480)
![[Pre-owned] PT900 BLACK OPAL RING, BO 3.48ct, D 2.00ct, GRJ sorting, 11.8g, #12](http://koufuku.jp/cdn/shop/files/DSC_6311.jpg?v=1771668261&width=480)
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![[Used] PT900 Jadeite Ring, Jadeite 1.51ct, Diameter 0.24ct, 5.5g, #10.5](http://koufuku.jp/cdn/shop/files/2000000065878_2.jpg?v=1768806607&width=480)
![[Used] PT900 DIAMOND RING Diamond Ring 0.330ct D0.55ct 2.3g #8](http://koufuku.jp/cdn/shop/files/2000000121956_2.jpg?v=1768806607&width=480)
![[Pre-owned] PT900 Jadeite Ring, Jadeite 3.25ct, Diameter 0.31ct, CGL Sorting, 5.7g, #17.5](http://koufuku.jp/cdn/shop/files/2000000022192_3.jpg?v=1768806607&width=480)
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![[Pre-owned] K18WG JADEITE RING Jadeite Ring Jadeite 1.848ct Diameter 0.45ct 3.3g #13](http://koufuku.jp/cdn/shop/files/DSC_2017_4fb5fad3-f7e6-487b-8003-3bd300b7ab85.jpg?v=1775188961&width=480)
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Recommended Items![[Used] K18YG DIAMOND Ring D1.00 #11 Solitaire 3.9g](http://koufuku.jp/cdn/shop/files/2000000073590_8_04354e12-eb99-45f8-961b-74fbee55a5e7.jpg?v=1778745302&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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