Gems, Jewelry and Precious Metals
Showing 1386 products
![[Pre-owned] PT900 Tourmaline Ring, Red Tourmaline (Rubellite), 2.77ct, D0.48ct, with sorting, 6.3g, #9](http://koufuku.jp/cdn/shop/files/2000000088983_3.jpg?v=1768808621&width=480)
![[Pre-owned] Tsukasa Muramatsu PT900 Ruby Cabochon Cut Ruby Ring, R2.91ct, D0.36ct, 10.6g, #10](http://koufuku.jp/cdn/shop/files/2000000012742_2.jpg?v=1768808621&width=480)
![[Pre-owned] K18WG SHIROCHO PEARL RING White Butterfly Pearl Ring, P12.6mm, D0.70ct, 8.3g, #13, Pearl Science Institute Aurora Venus, Certificate of Authenticity](http://koufuku.jp/cdn/shop/files/2000000065984_2.jpg?v=1768808620&width=480)
![[Used] K18YG Akoya Pearl Ring, P6.4-8.4mm, D0.60ct, 25.2g](http://koufuku.jp/cdn/shop/files/2000000127293_2.jpg?v=1768808620&width=480)
![[Used] PT900 RUBY RING Ruby Ring R1.416ct D0.80ct 7.8g #6 CGL Sorting](http://koufuku.jp/cdn/shop/files/2000000021928_2.jpg?v=1768808621&width=480)
![[Used] PT900 RUBY RING Ruby Ring R7.75ct D1.26ct AIGS Vivid Pinkish Red Identification Book 14.7g #12](http://koufuku.jp/cdn/shop/files/2000000022284_3.jpg?v=1768808621&width=480)
![[Used] K18WG Emerald Ring E6.85ct D0.23ct 6.1g #14](http://koufuku.jp/cdn/shop/files/2000000036496_2.jpg?v=1768808621&width=480)
![[Pre-owned] K18YG RUBYRING Ruby Ring R1.42ct D0.08ct 3.7g #11](http://koufuku.jp/cdn/shop/files/2000000115504_2.jpg?v=1768808621&width=480)
![[Used] PT900 HAUYNITE RING H0.897ct D1.61ct 7.0g #13](http://koufuku.jp/cdn/shop/files/2000000105239_2.jpg?v=1768808621&width=480)
![[Pre-owned] PT900 SAPPHIRE RING, Sri Lankan Sapphire Ring, S4.53ct, D1.00ct, GRS, Certificate, 8.1g, #13](http://koufuku.jp/cdn/shop/files/2000000090719_4.jpg?v=1768808621&width=480)
![[Used] PT900 RUBY RING Ruby Ring R0.97ct D0.62ct 7.4g #11](http://koufuku.jp/cdn/shop/files/2000000048925_2.jpg?v=1768808640&width=480)
![[Pre-owned] 18K Yellow Gold Ruby & Diamond Ring, R2.16ct, D2.29ct, 20.7g, #20](http://koufuku.jp/cdn/shop/files/2000000105550_2.jpg?v=1768808641&width=480)
MIKIMOTO
Pre-owned MIKIMOTO PT900 RUBY RING, Thai Ruby, 2.00ct R, 2.07ct D, GIA Cert[...]
¥3,658,000
![[Pre-owned] K18YG AKOYA PEARL RING 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 Ruby Ring R1.50ct D0.23ct 5.0g #12](http://koufuku.jp/cdn/shop/files/DSC_6320.jpg?v=1771668456&width=480)
![[Used] PT900 SAPPHIRE RING Sapphire Ring S2.57ct D1.51ct 14.3g #15](http://koufuku.jp/cdn/shop/files/2000000071954_2.jpg?v=1768882396&width=480)
![[Pre-owned] MIKIMOTO PT950 ALEXANDRITE RING, A 0.42ct, D 0.62ct, 6.1g, #15, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000123844_3.jpg?v=1768882396&width=480)
