Showing 1591 products
![[Pre-owned] PT900 BLACK OPAL Black Opal Ring, 0.70ct Bore, 0.25ct Drill, 5.1g, #14](http://koufuku.jp/cdn/shop/files/2000000068565_2.jpg?v=1763175991&width=480)
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![[Used] PT900 BLACK OPAL Black Opal Ring, BO 3.45ct, D 0.62ct, 4.7g, #16.5](http://koufuku.jp/cdn/shop/files/2000000018195_2.jpg?v=1766219128&width=480)
![[Used] PT900 BLACK OPAL Black Opal Ring, BO 3.47ct, D 1.16ct, 10.3g, #12](http://koufuku.jp/cdn/shop/files/2000000094700_2.jpg?v=1763176025&width=480)
![[Used] PT900 BLACK OPAL Black Opal Ring, BO4.47ct, D0.53ct, 11.0g, 14.5](http://koufuku.jp/cdn/shop/files/2000000098845_2.jpg?v=1763175991&width=480)
![[Pre-owned] PT900 BLACK OPAL Black Opal Ring, BO 4.65ct, D 0.34ct, 11.6g, #15](http://koufuku.jp/cdn/shop/files/2000000043142_2.jpg?v=1763175991&width=480)
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![[Pre-owned] PT900 BLACK OPAL Black Opal Ring, BO 5.43ct, D 1.17ct, 10.4g, #14.5](http://koufuku.jp/cdn/shop/files/2000000019758_2.jpg?v=1763175991&width=480)
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![[Used] PT900 BLACK OPAL Black Opal Ring, 6.70ct Bore, 0.185ct Drill, 7.2g, #13](http://koufuku.jp/cdn/shop/files/2000000093949_2.jpg?v=1763175991&width=480)
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![[Pre-owned] PT900 BLACK OPAL Black Opal Ring, 6.93ct Bore, 1.45ct Diameter, 12.1g, #17](http://koufuku.jp/cdn/shop/files/2000000013503_2.jpg?v=1763175991&width=480)
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![[Used] PT900 CATS EYE Cat's Eye Ring CE1.00ct D0.50ct 5.2g #11](http://koufuku.jp/cdn/shop/files/2000000019109_8.jpg?v=1743408980&width=480)
![[Used] PT900 CATS EYE Cat's Eye Ring CE1.41ct D0.12ct 5.6g #13](http://koufuku.jp/cdn/shop/files/2000000017679_2.jpg?v=1743408565&width=480)
![[Used] PT900 CATS EYE Ring CE1.49ct D0.52ct 7.7g #11](http://koufuku.jp/cdn/shop/files/2000000012230_8.jpg?v=1743406180&width=480)
![[Used] PT900 CATS EYE Cat's Eye Ring CE1.52ct D1.35ct 9.2g #8](http://koufuku.jp/cdn/shop/files/2000000013749_8.jpg?v=1743407206&width=480)
![[Used] PT900 CATS EYE Ring CE2.23ct D0.47ct 6.9g #20](http://koufuku.jp/cdn/shop/files/2000000018355_8.jpg?v=1743408775&width=480)
![[Used] PT900 CATS EYE Ring CE4.93ct D1.33ct 12.9g](http://koufuku.jp/cdn/shop/files/2000000018638_7.jpg?v=1751594976&width=480)
![[Pre-owned] PT900 Cat's Eye Chrysoberyl Cat's Eye Ring, CE 1.46ct, D 0.65ct, 7.4g, #11](http://koufuku.jp/cdn/shop/files/2000000018157_2.jpg?v=1763175991&width=480)
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![[Used] PT900 Diamond Ring, 0.475ct, F Color, VS1 Grade, Good Cut, CGL Sorting, 4.6g, #11](http://koufuku.jp/cdn/shop/files/2000000018461_3.jpg?v=1771665041&width=480)
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![[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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