Gems, Jewelry, and Precious Metals
Showing 1929 products
![[Used] MIKIMOTO Pt900 Ruby Ring from Thailand, R2.00ct D2.07ct, with GIA certificate, 10.3g, #16, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000051482_3.jpg?v=1768808641&width=480)
MIKIMOTO
[Used] MIKIMOTO Pt900 Ruby Ring from Thailand, R2.00ct D2.07ct, with GIA ce[...]
$23,837.00
![[Pre-owned] PT900 SAPPHIRE RING Sri Lankan Sapphire Ring S5.30ct D0.82ct, with GIA Report and CGL Sorting, 9.9g, Size 19](http://koufuku.jp/cdn/shop/files/2000000126166_4.jpg?v=1768808641&width=480)
![[Pre-owned] K18WG Ruby Ring R0.21ct PS0.09ct D0.07ct w/ Guarantee & Sorting Report, 3.3g, Size 13](http://koufuku.jp/cdn/shop/files/2000000075112_3.jpg?v=1768808641&width=480)
Sold Out
![[Pre-owned] PT900 Sapphire Ring, S4.19ct D1.00ct, with CGL Sorting, 15.5g, Size 13.5](http://koufuku.jp/cdn/shop/files/2000000012049_3.jpg?v=1768808641&width=480)
![[Pre-owned] K18YG AKOYA PEARL RING P8.0mm D0.361ct 12.9g #14](http://koufuku.jp/cdn/shop/files/2000000126586_2.jpg?v=1768808719&width=480)
![[Pre-owned] K18YG RUBY RING R1.50ct D0.23ct 5.0g #12](http://koufuku.jp/cdn/shop/files/DSC_6320.jpg?v=1771668456&width=480)
![[Pre-owned] PT900 Myanmar Ruby Ring, R0.85ct D0.01ct, with NGL Appraisal Report, 7.8g, Size 12](http://koufuku.jp/cdn/shop/files/2000000121581_3.jpg?v=1768808719&width=480)
![[Pre-owned] K18WG Myanmar RUBY RING Myanmar (Burma) Ruby Ring R1.23ct D1.50ct Pigeon Blood AIGS Certificate 6.2g #13](http://koufuku.jp/cdn/shop/files/2000000040660_4.jpg?v=1768808718&width=480)
Sold Out
![[Pre-owned] K18WG Myanmar RUBY RING Myanmar (Burma) Ruby Ring R1.38ct D1.39ct Pigeon Blood AIGS Appraisal Certificate 6.4g #14](http://koufuku.jp/cdn/shop/files/2000000040585_4.jpg?v=1768808719&width=480)
![[Pre-owned] K18WG SAPPHIRE RING Sapphire Ring S1.55ct D0.28ct 3.31g #13](http://koufuku.jp/cdn/shop/files/2000000040691_2.jpg?v=1768808719&width=480)
![[Pre-owned] MIKIMOTO K18WG Akoya Pearl Ring, 4.1-6.2mm, 4.2g, Size 13, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000126753_2.jpg?v=1768808719&width=480)
![[Pre-owned] PT900 RUBY RING R0.93ct D0.48ct CGL Sorting 7.1g #9.5](http://koufuku.jp/cdn/shop/files/2000000121727_3.jpg?v=1768808719&width=480)
![[Pre-owned] K18WG RUBY RING R0.94ct D1.19ct 4.6g #13.5](http://koufuku.jp/cdn/shop/files/2000000040677_2.jpg?v=1768808719&width=480)
![[Pre-owned] K18WG Myanmar Ruby Ring, R2.53ct D1.73ct, with GRS Certificate, 7.0g, Size 12](http://koufuku.jp/cdn/shop/files/2000000069906_3.jpg?v=1768808719&width=480)
![[Pre-owned] MIKIMOTO K18YG AKOYA PEARL RING, P4.6-5.7mm, 3.2g, Size 9, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000126784_2.jpg?v=1768808719&width=480)
Sold Out
![[Used] MIKIMOTO Mikimoto PT950 SAPPHIRE RING Madagascar Royal Blue Sapphire Ring S2.00ct D0.83ct GIA Certificate 6.9g #11 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000016481_3.jpg?v=1768808719&width=480)
MIKIMOTO
[Used] MIKIMOTO Mikimoto PT950 SAPPHIRE RING Madagascar Royal Blue Sapphire[...]
$10,215.00
![[Pre-owned] PT900 STAR SAPPHIRE RING Star Sapphire 10.145ct Diamond 3.84ct 24.1g #12](http://koufuku.jp/cdn/shop/files/2000000098821_2.jpg?v=1768808719&width=480)
![[Pre-owned] K9WG RUBY RING CGL Sorting 5.4g #13](http://koufuku.jp/cdn/shop/files/2000000121710_3.jpg?v=1768808719&width=480)
![[Pre-owned] K18WG/YG Myanmar (Burma) Unheated Ruby Ring, R1.01ct, Pigeon Blood, GRS Certified, 6.2g, Size #11](http://koufuku.jp/cdn/shop/files/DSC_2047.jpg?v=1775189449&width=480)
![[Pre-owned] Prefito K18YG SAPPHIRE RING S0.54 D0.08ct 4.6g #14 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000123868_2.jpg?v=1768808746&width=480)
![[Pre-owned] PT900 ORANGE SAPPHIRE RING S0.28ct D0.25ct CGL Sorting 3.6g #13](http://koufuku.jp/cdn/shop/files/2000000018836_3.jpg?v=1768882395&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.877ct D0.51ct 5.6g #10.5](http://koufuku.jp/cdn/shop/files/2000000095608_2.jpg?v=1768882395&width=480)
![[Pre-owned] PT900 GARNET RING G3.33ct D0.55ct 7.5g #12](http://koufuku.jp/cdn/shop/files/2000000065809_2.jpg?v=1768882395&width=480)
![[Pre-owned] MITSUKOSHI K18YG Ruby & Diamond Ring R0.79ct D0.82ct 7.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000145907_2.jpg?v=1788151913&width=480)
![[Used] PT900 NO HEAT SAPPHIRE RING Sri Lankan Unheated Sapphire Ring S5.40ct D1.19ct GIA Certificate 10.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000133799_3.jpg?v=1777881348&width=480)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)
