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ユークレース 3.417ct原石

Colombian Euclase 3.417ct rough stone Sale price¥12,800
Sold out 【甲州貴石切子】コロンビア産エメラルド 2.472ct《コラボ》ルース（チェッカーボード×昴） ワッペン付

《Withdrawn in May》 [Koshu Precious Stone Kiriko] Emerald from Colombia 2.472ct 《Collaboration》 Loose (Checkerboard x Subaru) Patch included

コロンビア産エメラルド ルース・原石2石セット（ラウンドカット3mm）

Colombian emerald loose rough stone set of 2 stones (round cut 3mm)《Multiple purchase discount available》 Sale price¥6,980
Sold out 【甲州貴石切子】コロンビア産エメラルド 2.550ct《コラボ》ルース ワッペン付

[Withdrawn in May] [Koshu Precious Stone Kiriko] Emerald from Colombia 2.550ct [Collaboration] Loose with patch May CPCP

coming soon 【6/19 22時販売】コロンビア産トラピッチェエメラルド 0.183ctルース

【6/19 22時販売】コロンビア産トラピッチェエメラルド 0.183ctルース Sale price¥39,800
Sold out コロンビア産エメラルド 0.167ctルース

Colombian emerald 0.167ct loose stone with jewel
Sold out コロンビア産パイライト・雲母インエメラルド 0.844ctルース

Colombian pyrite-mica emerald 0.844ct loose stone
Sold out 【12562862掲載】コロンビア産トラピッチェエメラルド 0.448ctルース

Colombian Trapiche Emerald, 0.446 ct, Loose Stone, with Certificate
Sold out 【12562785掲載】コロンビア産エメラルドキャッツアイ 0.574ctルース

【On sale May 2nd, 10 PM JST】Colombian Emerald Cat's Eye 0.574ct Loose Stone
Sold out コロンビア産エメラルド 4.7mm/0.468ctルース

[On sale 5/5 at 22:00] Colombian Emerald 4.7mm/0.468ct Loose Stone

Sold out [Sale starts 10 PM JST on 5/14] Colombian Emerald 1.571ct Loose Stone Pendant Top

[Sale starts 10 PM JST on 5/14] Colombian Emerald 1.571ct Loose Stone Pendant Top
coming soon 【12562864掲載】コロンビア産トラピッチェエメラルド 4.185ctルース

【Lottery Sale 0531_12】Colombian Trapiche Emerald 4.185ct Loose Stone, Chuo (Central Gem Lab) Sale price¥158,000
Sold out コロンビア産パイライトインエメラルド 2.780ctルース

Colombian Pyrite Inclusion Emerald 2.780ct Loose Rare Stone [Limited to 1 pc] ¥198,000 12562799

Sold out Loose Columbian Pyrite in Emerald 3.346 ct

Loose Columbian Pyrite in Emerald 3.346 ct

Sold out コロンビア産パイライトインエメラルド 2.503ctルース

2.503 ct Loose Emerald with Pyrite from Colombia

Sold out 【12562829掲載】コロンビア産パイライト付ユークレース 23.430ct原石

Euclase with pyrite from Colombia 23.430ct Rough, Hōki Kyōso
Sold out Colombian mica in emerald 1.314ct loose

Colombian mica in emerald 1.314ct loose
Sold out Colombian No-Oil Emerald 0.120ct Loose Stone GIA

Colombian No-Oil Emerald 0.120ct Loose Stone GIA
Sold out コロンビア産エメラルド 2.018ctルース

[Koshu precious stone cutter pluethree] Colombian emerald 2.018ct loose
Sold out 《Limited to 20 Stones》Emerald Gacha: Win a 2.2ct Columbia Emerald Koshu-Kiseki Cut (normally 79,800 yen) or an Emerald Cat's Eye! 《Multiple Purchase Discount Available》

《Limited to 20 Stones》Emerald Gacha: Win a 2.2ct Columbia Emerald Koshu-Kiseki Cut (normally 79,800 yen) or an Emerald Cat's Eye! 《Multiple Purchase Discount Available》
Sold out Colombian trapiche emerald (reverse trapiche) 3.0mm/0.107ct rough stone (faceted cut)

Colombian trapiche emerald (reverse trapiche) 3.0mm/0.107ct rough stone (faceted cut)
Sold out Colombian emerald 10.940ct rough stone

Colombian emerald 10.940ct rough stone
Sold out Colombian emerald rough stone 18.900ct (with pyrite)

Colombian emerald rough stone 18.900ct (with pyrite)
Sold out 0.243ct Colombian Emerald Pair Loose Stones

0.243ct Colombian Emerald Pair Loose Stones
Sold out Colombian oil-free emerald 0.17ct loose GIA

Colombian oil-free emerald 0.17ct loose GIA

Sold out Colombian emerald rough stone 11.155ct (with pyrite)

Colombian emerald rough stone 11.155ct (with pyrite)
Sold out Colombian emerald 3.0mm/0.098ct loose stone

Colombian emerald 3.0mm/0.098ct loose stone
Sold out Colombian Trapiche Emerald 2.318ct Loose

Colombian Trapiche Emerald 2.318ct Loose
Sold out Colombian emerald rough stone 13.577ct

Colombian emerald rough stone 13.577ct
Sold out Colombian emerald 8.169ct rough stone

Colombian emerald 8.169ct rough stone
Sold out Colombian emerald rough stone 6.933ct

Colombian emerald rough stone 6.933ct
Sold out K18YGコロンビア産エメラルド0.062ct・ダイヤモンドリング

18K Yellow Gold Colombian Emerald 3.0mm/0.062ct Diamond Ring
Sold out コロンビア産トラピッチェエメラルド（逆トラピッチェ） 0.108ctルース

Colombian trapiche emerald (reverse trapiche) 0.108ct loose
Sold out コロンビア産トラピッチェエメラルド（逆トラピッチェ） 0.084ctルース

Colombian trapiche emerald (reverse trapiche) 0.084ct loose
Sold out コロンビア産トラピッチェエメラルド（逆トラピッチェ） 0.053ctルース

Colombian trapiche emerald (reverse trapiche) 0.053ct loose
Sold out コロンビア産トラピッチェエメラルド（逆トラピッチェ） 0.188ctルース

Colombian trapiche emerald (reverse trapiche) 0.188ct loose
Sold out コロンビア産エメラルド 0.121ctルース

Colombian emerald 0.121ct loose stone
Sold out ロンビア産エメラルド 0.126ctルース

Colombian emerald 0.126ct loose stone
Sold out コロンビア産エメラルド 3.9mm/0.200ctルース

Colombian emerald 3.9mm/0.200ct loose stone
Sold out コロンビア産ノンオイルエメラルド（NONE） 0.110ctルース GIA

[Posted 12548175] Colombian oil-free emerald 0.110ct loose

Sold out コロンビア産トラピッチェエメラルド 1.448ctルース

Colombian Trapiche Emerald 1.448ct Loose
Sold out トラピッチェエメラルド 0.650ctルース（逆トラピッチェ）

Trapiche emerald 0.650ct loose (reverse trapiche)
Sold out エメラルド 0.111ctルース

Emerald 0.111ct loose
Sold out ザンビア産エメラルド 0.119ctルース

Colombian emerald 0.119ct loose stone
Sold out コロンビア産ミントカラーエメラルド 0.244ctルース

Colombian mint-colored emerald, 4.1mm/0.244ct loose stone
Sold out コロンビア産エメラルドキャッツアイ 0.093ctルース

Colombian emerald cat's eye 0.093ct loose
Sold out コロンビア産エメラルド 17.581ct原石　日独鑑

Colombian emerald, 17.581ct rough, Japan-Germany kanji
Sold out コロンビア産ユークレース 3.543ctルース

Colombian Euclase 3.543ct loose

KARATZ Custom Made

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.