Gems, Jewelry and Precious Metals
Showing 301 products
![[Used] PT900 SAPPHIRE Sapphire Ring S1.12ct D0.28ct 9.2g #11.5](http://koufuku.jp/cdn/shop/files/2000000018485_2.jpg?v=1744889949&width=480)
![[Used] PT900 RUBY Ruby Ring R1.05ct D0.45ct 6.8g #13 Made in Mozambique Comes with GIA Certificate of Origin](http://koufuku.jp/cdn/shop/files/2000000015392_3.jpg?v=1744859133&width=480)
![[Used] PT900/K18 SPINEL Red Spinel Ring RS0.762ct D0.94ct CGL Sorting 7.4g #10.5](http://koufuku.jp/cdn/shop/files/2000000005935_3.jpg?v=1744858305&width=480)
![[Used] PT900 RUBY Ruby Ring R2.525ct D0.72ct #9 7.9g Comes with Central Gem Laboratory sorting](http://koufuku.jp/cdn/shop/files/2000000011943_3.jpg?v=1744858149&width=480)
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![[Used] Pt900 Burmese unheated ruby ring R2.09ct D0.80ct GIA certificate of origin included, identification certificate 6.9g #12](http://koufuku.jp/cdn/shop/files/2000000022765_3.jpg?v=1744618053&width=480)
![[Used] K18YG Green Tourmaline Ring GT1.464ct 5.2g #14 with Certificate of Authenticity](http://koufuku.jp/cdn/shop/files/2000000043449_3.jpg?v=1750926454&width=480)
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![[Used] KABANA K18YG Shell/Onyx Diamond Ring #12.5 8g](http://koufuku.jp/cdn/shop/files/2000000012100_2.jpg?v=1744548224&width=480)
![[Used] Pt900 PINK SAPPHIRE Natural Orange Pink Sapphire Ring S2.13ct D0.94ct 9.5g #10.5 GRS Certificate](http://koufuku.jp/cdn/shop/files/2000000082455_5.jpg?v=1750207998&width=480)
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![[Used] PT900 EMERALD V-line ring E0.60ct D0.10ct 4.8g #13.5](http://koufuku.jp/cdn/shop/files/2000000064994_8.jpg?v=1743409607&width=480)
![[Used] PT900 EMERALD ring E0.53ct D0.68ct 5.8g](http://koufuku.jp/cdn/shop/files/2000000021850_8.jpg?v=1752729165&width=480)
![[Used] PT900 JADEITE Jadeite Ring J4.49ct D1.75ct 11.0g #11](http://koufuku.jp/cdn/shop/files/2000000020518_8.jpg?v=1743409133&width=480)
![[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 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 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 JADEITE Jadeite Ring J2.044ct D0.486ct 7.5g #16](http://koufuku.jp/cdn/shop/files/2000000016818_8.jpg?v=1748238748&width=480)
![[Used] PT900 Jadeite Jadeite Ring D0.35ct 6.5g #8.5](http://koufuku.jp/cdn/shop/files/2000000016665_2.jpg?v=1748238748&width=480)
![[Used] PT900 jade ring J4.54ct D0.46ct 8.4g#12.5 Identification](http://koufuku.jp/cdn/shop/files/2000000014609_8.jpg?v=1743407785&width=480)
![[Used] PT900 JADEITE Jadeite Ring J1.79ct D0.53ct 5.6g #11](http://koufuku.jp/cdn/shop/files/2000000014456_8.jpg?v=1743407357&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 CE1.49ct D0.52ct 7.7g #11](http://koufuku.jp/cdn/shop/files/2000000012230_8.jpg?v=1743406180&width=480)
![[Used] PT900 EMERALD Ring E0.58ct D0.57ct 6.6g #15](http://koufuku.jp/cdn/shop/files/2000000009292_8.jpg?v=1743405895&width=480)
![[Used] PT900 EMERALD Emerald Ring E0.60ct D0.70ct 6.4g #15](http://koufuku.jp/cdn/shop/files/2000000009247_2.jpg?v=1747801134&width=480)
![[Used] PT900 EMERALD Ring E0.48ct D0.39ct 4.9g #12](http://koufuku.jp/cdn/shop/files/2000000007724_8.jpg?v=1752729165&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring S1.04ct D0.26ct 6g GIA Certificate of Origin](http://koufuku.jp/cdn/shop/files/2000000021751_3.jpg?v=1743403204&width=480)
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