collection: Ring
The highest quality diamonds and gemstones exude unparalleled beauty.Amazing-Koboring collection.
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Super special item! Colombian 3.67ct Natural Emerald 1.82ct Natural Diamond Pt900 Platinum Ring Ring [GIAidentification report]
Regular price ¥5,000,000 JPYRegular priceunit price / aroundsale price ¥5,000,000 JPY -
Unheated 11.56ct Natural Ruby Natural Diamond PT900 Platinum Ring from Myanmar [AIGSidentification report]
Regular price ¥4,980,000 JPYRegular priceunit price / aroundsale price ¥4,980,000 JPYsold out -
2.084ct D Color VVS2 Type2A Marquise Natural Diamond Platinum PT900 Ring Ring [CGLgrading reportWith]
Regular price ¥4,980,000 JPYRegular priceunit price / aroundsale price ¥4,980,000 JPY -
Neon blue 2.7ct natural from Brazil paraiba tourmaline 1.3ct Natural Diamond Pt900 Platinum Ring [Chuhoidentification report]
Regular price ¥4,500,000 JPYRegular priceunit price / aroundsale price ¥4,500,000 JPYsold out -
Large grains! 7.145ct Natural Diamond F Color SI GOOD Platinum Pt900 Ring Ring April Birthstone [grading report]
Regular price ¥4,500,000 JPYRegular priceunit price / aroundsale price ¥4,500,000 JPY -
Finest 2ct Natural Diamond D VS1 Emerald Cut K18 WG White Gold Ring April Birthstone 18K [GIA grading report]
Regular price ¥3,980,000 JPYRegular priceunit price / aroundsale price ¥3,980,000 JPYsold out -
Super rare! Large grains! 3.305ct Type2A マーキースカット 天然ダイヤモンド プラチナ PT900 リング 指輪【CGLgrading reportWith]
Regular price ¥3,980,000 JPYRegular priceunit price / aroundsale price ¥3,980,000 JPY -
Rare! Large grains! 7ct Ruby Marquise Diamond K18 YG Yellow Gold Ring July Birthstone 18K [GIAidentification report・CGLidentification report]
Regular price ¥3,500,000 JPYRegular priceunit price / aroundsale price ¥3,500,000 JPYsold out -
Color changes dramatically! Large 3.5ct Natural Alexandrite Natural Diamond Pt900 Platinum Ring Ring [GIAidentification report]
Regular price ¥2,980,000 JPYRegular priceunit price / aroundsale price ¥2,980,000 JPYsold out -
Almost 2ct natural from Brazil paraiba tourmaline Natural Diamond Platinum Pt900 Ring [CGLidentification report]
Regular price ¥2,980,000 JPYRegular priceunit price / aroundsale price ¥2,980,000 JPYsold out -
Gorgeous 11.97ct non-heated natural sapphire total 6.81ct natural diamond 18K K18 YG yellow gold 3-piece set [identification report With non-heating analysis results]
Regular price ¥2,980,000 JPYRegular priceunit price / aroundsale price ¥2,980,000 JPYsold out -
0.63ct Fancy Vivid Yellow Orange Diamond Platinum 18K K18 WG Ring Ring [CGLgrading report]
Regular price ¥2,980,000 JPYRegular priceunit price / aroundsale price ¥2,980,000 JPY -
The world's highest quality! 1.05ct D FL 3EX Heart Cue Natural Diamond 18K K18 WG White Gold Ring Ring [GIA grading report・CGLgrading reportWith]
Regular price ¥2,850,000 JPYRegular priceunit price / aroundsale price ¥2,850,000 JPYsold out -

【grading report] Rare large 5ct VS-2 emerald cut natural diamond K18 YG yellow gold ring 18K gold
Regular price ¥2,380,000 JPYRegular priceunit price / aroundsale price ¥2,380,000 JPYsold out -
high quality! Colombian 11.527ct Natural Emerald 2.275ct Natural Diamond 18K K18 YG Ring Ring [identification report]
Regular price ¥2,380,000 JPYRegular priceunit price / aroundsale price ¥2,380,000 JPYsold out -
Completely intact, colorless, and without defects! 1ct D FL 3EX Natural Diamond Platinum Pt900 Ring April Birthstone [GIAgrading report]
Regular price ¥2,350,000 JPYRegular priceunit price / aroundsale price ¥2,350,000 JPYsold out











