Showing 170 products
![[Used] K18YG DIAMOND Ring 0.412ct D0.25ct 3.8g #12](http://koufuku.jp/cdn/shop/files/70704_01.jpg?v=1743400497&width=480)
![[Used] K18 DIAMOND Ring D0.53ct 2.5g #12](http://koufuku.jp/cdn/shop/files/70216_01.jpg?v=1743142006&width=480)
![[Used] K18YG DIAMOND Ring D0.90ct 2.9g #13](http://koufuku.jp/cdn/shop/files/69364_01.jpg?v=1743141972&width=480)
![[Used] K18WG SAPPHIRE Ring S0.27ct D0.28ct 5.2g #14](http://koufuku.jp/cdn/shop/files/81045_01.jpg?v=1743141936&width=480)
![[Used] PT900 SAPPHIRE ring S0.97ct D0.45ct 4.4g #11](http://koufuku.jp/cdn/shop/files/71992_01.jpg?v=1743141901&width=480)
![[Used] PT900 SAPPHIRE ring S0.60ct D0.48ct 5.8g #9](http://koufuku.jp/cdn/shop/files/47980_01.jpg?v=1743141862&width=480)
![[Used] TASAKI PT900 SAPPHIRE Sapphire Ring S0.95ct D0.30ct 4.5g #11](http://koufuku.jp/cdn/shop/files/77260_01_d30ebf56-f36f-4ec5-a044-ce5a4bcd8ea0.jpg?v=1743141759&width=480)
![[Used] K18WG RUBY Ruby Ring R0.68ct D0.33ct 2.9g #14](http://koufuku.jp/cdn/shop/files/69036_01_c42127e3-11c8-40b2-8fad-527280ba9a89.jpg?v=1743141669&width=480)
![[Used] PT900 RUBY Ruby Ring R1.055ct D0.73ct 3.8g #13](http://koufuku.jp/cdn/shop/files/17495_01.jpg?v=1743141577&width=480)
![[Used] PT900 RUBY Ruby Ring R0.67ct D0.28ct 5.1g #12](http://koufuku.jp/cdn/shop/files/18829_01.jpg?v=1743141509&width=480)
![[Used] Pt900 Aquamarine Ring A2.20ct D0.40ct 10.0g #12 CGL sorting included](http://koufuku.jp/cdn/shop/files/2000000054551_8.jpg?v=1742268292&width=480)
![[Used] K18WG RUBY Unheated Ruby Ring R2.72ct D0.60ct 4.8g GIA Certificate Included](http://koufuku.jp/cdn/shop/files/2000000043494_3.jpg?v=1741950987&width=480)
![[Used] Ring PT900 ALEXANDRITE Alexandrite Ring A1.04ct D2.06ct 9.4g](http://koufuku.jp/cdn/shop/files/2000000011820_8.jpg?v=1741939783&width=480)
![[Used] K18WG CATS EYE Cat's Eye Ring CE16.22ct D1.62ct 10g #12.5](http://koufuku.jp/cdn/shop/files/2000000050492_7.jpg?v=1741939291&width=480)
![[Used] K18WG BLACK OPAL Black Opal Ring BO4.10ct D0.13ct 3.2g](http://koufuku.jp/cdn/shop/files/2000000045214_7.jpg?v=1741937635&width=480)
![[Used] K18WG SAPPHIRE sapphire ring S2.04ct D0.55ct 4.4g #12.5](http://koufuku.jp/cdn/shop/files/2000000043722_8.jpg?v=1741937169&width=480)
![[Used] K18WG CATS EYE Cat's Eye Ring CE4.05ct D0.33ct 5.1g #14](http://koufuku.jp/cdn/shop/files/2000000036519_7.jpg?v=1741936274&width=480)
![[Used] PT900 EMERALD ring E5.08ct D0.77ct GRS certificate included 12.6g #12](http://koufuku.jp/cdn/shop/files/2000000030739_8.jpg?v=1741935024&width=480)
![[Used] PT900 CATS EYE Cat's Eye Ring CE4.93ct D1.33ct 12.9g](http://koufuku.jp/cdn/shop/files/2000000018638_7.jpg?v=1741934522&width=480)
![[Used] Pt900 Emerald Ring E1.59ct D1.39ct 7.9g From the Muzo Mine in Colombia Comes with GRS Certificate](http://koufuku.jp/cdn/shop/files/2000000019840_9.jpg?v=1741932949&width=480)
![[Used] PT900 ALEXANDRITE ring A0.62ct D0.74ct 9.6g GIA certificate included Made in Brazil](http://koufuku.jp/cdn/shop/files/2000000014173_3.jpg?v=1741931451&width=480)
![[Used] PT900 BLACK OPAL Black Opal Ring BO3.20ct D1.78ct 12g #12.5](http://koufuku.jp/cdn/shop/files/2000000013916_3.jpg?v=1741930768&width=480)
![[Used] K18WG RUBY Ruby Ring R1.03ct D0.11 Pigeon Blood AIGS Certificate 2.2g](http://koufuku.jp/cdn/shop/files/2000000035895_3.jpg?v=1740381216&width=480)
![[Used] Pt900 EMERALD ring, E1.31ct, D0.76ct, GIA certificate, non-oil, Colombian, 4.9g](http://koufuku.jp/cdn/shop/files/2000000050478_3.jpg?v=1740377391&width=480)
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