Brazilian Rubellite 1.027ct Loose Stone
Sale price¥69,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Madagascar sphene 0.665ct loose stone
Sale price¥12,800
Zimbabwean Apatite (UV Type) 0.585ct Loose
Sale price¥12,800
Tanzania Color Change Garnet 0.789ct Loose Stone
Sale price¥9,800
Myanmar pink spinel 0.520ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.453ct loose stone
Sale price¥24,800
Afghan Kunzite 0.799ct Loose Gemstone
Sale price¥6,980
Tanzanian Zoisite 1.000ct Loose Stone
Sale price¥19,800
Tanzania Bicolor Zoisite 0.645ct Loose Stone
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.551ct Loose Stone
Sale price¥19,800
Mexican Danburite 7.0mm/1.224ct loose stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 1.376ct loose stone
Sale price¥12,800
Mozambique Pink Tourmaline 1.122ct Loose Stone (Contains CuO)
Sale price¥39,800
Flower rutilated quartz 0.955ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.491ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.466ct loose stone
Sale price¥8,800
Sri Lankan Moonstone 0.561ct Loose
Sale price¥6,980
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
Purple spinel 0.955ct loose stone
Sale price¥19,800
Tanzanian Lavender Tanzanite 0.498ct Loose Stone
Sale price¥14,800
[Rouge cut] Morganite 2.059ct loose stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.904ct Loose Stone
Sale price¥8,800
Mica in Quartz 0.980ct Loose
Sale price¥6,980
Mica in Quartz 0.834ct Loose Stone
Sale price¥6,980
Mexican egg-in-opal 0.627ct loose stone
Sale price¥8,800
Ethiopian Opal 0.466ct Loose (Heart Shape, Faceted Cut)
Sale price¥3,980
![[Lottery Sale 0731_10] Colombian Muzo Non-Oil Emerald 0.370ct Loose GIA](http://store.karatz.jp/cdn/shop/files/P7216735_8fae3db5-7137-4568-b3ba-ecca5ed4d624.jpg?v=1788240803&width=3045)
[Lottery Sale 0731_10] Colombian Muzo Non-Oil Emerald 0.370ct Loose GIA
Sale price¥298,000
![[Lottery Sale 0818_07] Madagascar Bi-Color Sapphire 1.870ct Loose Stone with Gem Identification Report](http://store.karatz.jp/cdn/shop/files/P7313519_b6fb945a-8a51-4c24-94f2-0988ae17d6f9.jpg?v=1788239983&width=2637)
[Lottery Sale 0818_09] Brazilian Dioptase 1.608ct Loose with Certificate
Sale price¥59,800
【9/5(土)AM10時〆：抽選販売_04】ロシア産デマントイドガーネット（ホーステール認む） 6.3mm/1.170ctルース GIA
Sale price¥558,000
【9/2 22時販売】マダガスカル産パパラチアサファイア 0.497ctルース DGL鑑
Sale price¥69,800
【9/3 22時販売】トルコ産ダイアスポア 0.410ctルース
Sale price¥9,800
【9/3 22時販売】ブラジル産ロードナイトインクォーツ 6.2mm/0.600ctルース
Sale price¥9,800
[Lottery Sale 0829] Unheated Kashmir Sapphire 1.170ct Loose Gemstone
Sale price¥658,000
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.