![[6/ 10 PM JST Release] 《Limited to 11 Stones》Bicolor Gemstone Gacha featuring Paraiba Tourmaline and Euclase 《Bulk Purchase Discount Available》](http://store.karatz.jp/cdn/shop/files/collage_7b7dc323-95d7-4adf-b87d-7f158eb4b182.png?v=1787295459&width=2000)
![[On sale 8/15 at 10 PM JST] Colombian Emerald Gacha featuring Shimizu Kisaki's 8mm Clover In-cut (regularly 79,800 JPY) - only 15 stones available! (Bonus green beryl included) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/81.png?v=1785982219&width=1890)
【8/30 22時販売】《残り3石》コロンビア産エメラルド原石（平均0.25ct）《複数購入割引有》
Sale price¥7,980
【8/29 22時販売】《限定11石》コロンビア・ムゾー産エメラルド原石（平均0.20ct）《複数購入割引有》
Sale price¥5,980
【8/30 22時販売】コロンビア産ミントカラーエメラルド 0.359ctルース
Sale price¥12,800
【9/1 22時販売】コロンビア産エメラルド 0.123ctルース
Sale price¥18,800
![[Limited to 6 stones] Contains 2 stones in total: 1 gemstone (rough stone) that is actually featured in a gemstone encyclopedia + 1 emerald rough stone.](http://store.karatz.jp/cdn/shop/files/collage_5fd345f1-1646-43a1-b347-1e83dd089a63.png?v=1751925957&width=2000)
Colombian Pyrite, Mica in Emerald 1.192ct Loose Stone with Certificate
Sale price¥79,800
Colombia Cosquez Mine Trapiche Emerald 0.138ct Loose with Certificate
Sale price¥19,800
Colombia Emerald 4.5mm/0.286ct Loose Stone (Hokikyō)
Sale price¥69,800
Colombia Emerald Cat's Eye 0.060ct Loose, Hōki Kyō
Sale price¥15,800
Loose 0.824 ct Colombian Bi-Color Emerald
Sale price¥25,800
0.191ct Colombian emerald loose stone, Hōki-kyō
Sale price¥45,800
0.147ct Loose Colombian Emerald with Gemological Report
Sale price¥12,800
Colombian Emerald 3.3mm/0.167ct Loose Stone with Appraisal
Sale price¥24,800
Columbia Emerald 3.3mm/0.158ct Loose Gemstone with Certificate
Sale price¥18,800
Colombian mint color emerald 0.297ct loose stone
Sale price¥8,800
0.183ct Trapiche Emerald Loose Stone from Colombia
Sale price¥39,800
0.210 ct Colombian Trapiche Emerald Loose Stone
Sale price¥39,800
0.210ct Colombian Non-Oil Emerald Loose Stone GIA
Sale price¥228,000
Colombian Trapiche Emerald, 1.874ct Loose Stone with Certification
Sale price¥69,800
Pyrite in emerald from Chivor Mine, Colombia, 4.221 ct, loose
Sale price¥98,000
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Colombian emerald 0.145ct loose stone with precious stone
Sale price¥29,800
Colombian emerald 0.512ct loose stone (silky type)
Sale price¥12,800
0.559ct Brazilian Emerald Cat's Eye Loose Stone with Certificate
Sale price¥9,800
Brazilian Emerald Cat's Eye 0.459ct Loose Stone with Certification
Sale price¥9,800
Brazilian Emerald Cat's Eye 1.022ct Loose Stone with Appraisal
Sale price¥12,800
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.