【9/12 22時販売】コロンビア産エメラルド 0.247ctルース
Sale price¥39,800
【9/11 22時販売】メキシコ産ファイアオパール（ファセットカット） 1.255ctルース
Sale price¥49,800
【9/5 22時販売】ブラジル産パライバトルマリン 4.022ctルース
Sale price¥45,800
Spanish Sphalerite 2.726ct loose stone
Sale price¥32,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥35,800
Mozambique Pink Tourmaline 1.122ct Loose Stone (Contains CuO)
Sale price¥39,800
Brazilian Alexandrite 0.239ct Loose Gemstone [Listed as 12564071]
Sale price¥45,800
Brazilian pink tourmaline 1.458ct loose stone
Sale price¥39,800
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
[Published on 12563859] Australian black opal, 1.184ct loose stone
Sale price¥45,800
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥39,800
【9/1 22時販売】ブラジル産パライバトルマリンインクォーツ 2.737ctルース
Sale price¥45,800
【9/1 22時販売】ピジョンブラッドルビー 0.350ctルース AIGS
Sale price¥49,800
【9/2 22時販売】タンザニア産マヘンゲスピネル（ピンクスピネル） 0.366ctルース 鑑別書
Sale price¥39,800
【9/3 22時販売】スリランカ産パープルサファイア 0.376ctルース 鑑別書
Sale price¥35,800
[Posted as 12563267] Rough Botswana Diamond (Sawable) 0.140ct
Sale price¥44,800
[Updated 12546024] Ametrine 4.206ct loose
Sale price¥39,800
[Posted on 12563358] Jeremejevite from Namibia 0.150ct Loose
Sale price¥37,800
[Published as 12563385] Tanzanian Zircon 3.964ct Loose
Sale price¥39,800
【12563732 Posted】Tanzanian Red Spinel 0.177ct Loose
Sale price¥35,800
[Posted on 12564182] Tanzanian Spinel 1.154ct Loose Gemstone
Sale price¥39,800
[Posted 12564181] Tanzanian Spinel 1.117ct Loose Stone
Sale price¥39,800
[Listed as 12563729] Brazilian Indicolite Tourmaline 0.389ct Loose
Sale price¥38,800
[Listed as 12563733] Tanzania Red Spinel 0.241ct Loose Stone
Sale price¥43,800
[Listed as 12563903] Tanzanian Bicolor Zoisite 1.382ct Loose Stone
Sale price¥45,800
Brazilian Euclase (Bicolor Euclase) 0.302ct Loose Stone
Sale price¥45,800
[12558559] Zimbabwe bicolor euclase rough stone 0.744ct
Sale price¥39,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥39,800
Additional fee: +40,000 yen
Sale price¥40,000
1.758 ct Ruby Loose Stone from Vietnam with Identification Report
Sale price¥49,800
Yellow diamond 0.188ct loose (FANCY INTENSE YELLOW, VS1)
Sale price¥47,800
Mozambique Ruby 0.544ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥37,000
Solo (Simple Order Earring Frame/Chain Type)
Sale priceFrom ¥45,800
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.
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.