Gems, Jewelry and Precious Metals
Showing 1707 products
![[Pre-owned] K18WG Emerald Ring Emerald 2.696ct D0.49ct 4.3g #13.5](http://koufuku.jp/cdn/shop/files/2000000050515_2.jpg?v=1771665041&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, 0.73ct R, 1.46ct D, 8.8g, #10.5](http://koufuku.jp/cdn/shop/files/2000000040103_2.jpg?v=1771665041&width=480)
![[Used] PT900 RUBY RING Ruby and Diamond Ring R0.88ct D1.70ct 8.8g #11](http://koufuku.jp/cdn/shop/files/2000000094977_2.jpg?v=1771665041&width=480)
![[Pre-owned] K18YG/PT900 RUBY RING Ruby Ring D0.22ct 4.1g #12](http://koufuku.jp/cdn/shop/files/2000000099361_2.jpg?v=1771665041&width=480)
![[Used] PT900 JADEITE RING J5.347ct D0.28ct with NGL certificate 6.6g #11](http://koufuku.jp/cdn/shop/files/2000000017310_3.jpg?v=1771665041&width=480)
![[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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![[Pre-owned] K18WG/YG/PG PLEHNITE RING 11.18ct S 0.95ct D 0.85ct 14.4g #14](http://koufuku.jp/cdn/shop/files/2000000091662_2.jpg?v=1771665042&width=480)
![[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)
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![[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)
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![[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, [...]
$26,601.00
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![[Used] K18YG IROISHI Diamond Ring D0.41 1g #12.5](http://koufuku.jp/cdn/shop/files/2000000089560_2.jpg?v=1771665108&width=480)
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![[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)
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![[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)
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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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