Brazilian Green Tourmaline 2.218ct Loose
Sale price¥25,800
![[On sale May 24th at 10 PM] "Limited to 12 Stones" Blue Gemstone Gacha 💎 Brazil Paraiba Tourmaline (CuO: 1.5%, MnO: 3.2%) and Zimbabwe Euclase, normally priced at ¥35,800, and more! (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/P1010002_2b7e0b49-712e-480c-b01b-243e8d925a3e.jpg?v=1781241884&width=4000)
![[On Sale June 13, 10 PM] [Limited to 2 Stones] Brown Diamond (4mm/0.3ct, with certificate) [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/collage_ab98be24-a2fb-436e-abe4-9e7713aae512.png?v=1781241148&width=3000)
[On sale June 12th at 10 PM] Synthetic Alexandrite 1.381ct Loose Stone
Sale price¥25,800
[On sale 6/12 10 PM JST] Synthetic Alexandrite 1.076ct Loose Stone
Sale price¥25,800
![[Sales on 6/16 at 10 PM] Myanmar Red Spinel 0.578ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P6121320_58d4cabd-0372-4693-b283-d1e74397130c.jpg?v=1781388731&width=2967)
[Sales on 6/16 at 10 PM] Myanmar Red Spinel 0.578ct Loose Gemstone
Sale price¥19,800
![[Sale June 16th, 10 PM] Myanmar Red Spinel 0.453ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P6121284_fd66fb08-eacc-41b1-a58e-d3dc1f40e6d8.jpg?v=1781388763&width=2714)
[Sale June 16th, 10 PM] Myanmar Red Spinel 0.453ct Loose Stone
Sale price¥19,800
![[Sales begin June 15th, 10 PM] Myanmar Red Spinel 3.5mm/0.174ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P6121250_a9c43cdd-5ac6-4c40-9451-aa25efb4c36d.jpg?v=1781389463&width=2430)
![[Sale starts June 16th at 10 PM] Myanmar Red Spinel 3.3mm/0.172ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P6121234_9f023d33-ccb2-49c8-9264-4b9be621a2c8.jpg?v=1781388890&width=3281)
![[Sale starts June 16th, 10 PM JST] Myanmar Red Spinel 0.234ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P6121115_20a14fb0-9b4f-4ca5-80bb-b5d0358865f5.jpg?v=1781388982&width=2830)
![[On Sale June 16, 10 PM] Loose 0.249ct Myanmar Red Spinel](http://store.karatz.jp/cdn/shop/files/P6121051_d8485448-b4ad-4229-8e9c-fc412423e450.jpg?v=1781389027&width=2767)
[On Sale June 16, 10 PM] Loose 0.249ct Myanmar Red Spinel
Sale price¥12,800
![[On Sale 10 PM, June 14th] Botswana Rough Diamond (Sawable) 0.090ct (Trigon)](http://store.karatz.jp/cdn/shop/files/P6110638_5c63da75-a324-403d-a5a3-d4b54de8c183.jpg?v=1781314560&width=2823)
![[Sale June 15th 10 PM JST] Afghanistan Hauyne 0.098ct Loose Stone with Gemstone Identification Report](http://store.karatz.jp/cdn/shop/files/P6122020_489ee361-8560-4726-b40a-b18f20c9733b.jpg?v=1781313717&width=2756)
![[On sale June 15th at 10 PM] Natural Kyanite from Nepal 2.863ct Loose (Royal Blue Color)](http://store.karatz.jp/cdn/shop/files/P6110934_e74e28af-0283-4379-9bd7-b9f372dbe396.jpg?v=1781389648&width=3128)
【On sale June 14, 10 PM】Spanish Andalusite 0.416ct Loose Stone
Sale price¥9,800
[On sale June 14th at 10 PM] Australian Black Opal 1.080ct Loose Stone
Sale price¥39,800
[Sale on 6/8 at 10 PM] Pt900 Benitoite 0.152ct / Diamond 0.58ct Ring
Sale price¥188,000
Spanish Sphalerite 9.2mm/3.980ct loose stone
Sale price¥49,800
[12550851] 2.944ct Mozambique pink tourmaline loose stone
Sale price¥39,800
[12552038] Beryl Cat's Eye 32.703ct Loose Stone
Sale price¥98,000
[12550865] 0.203ct loose zoisite from Tanzania
Sale price¥5,980
[12551312] Zimbabwean Blue Apatite (UV Type) 1.312ct Loose Stone
Sale price¥8,800
[12552306] Iolite 14.158ct loose stone
Sale price¥258,000
Mica in Quartz 0.758ct Loose Stone
Sale price¥5,980
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Myanmar Violet Spinel 0.426ct Loose
Sale price¥8,800
American Red Beryl 0.147ct Loose
Sale price¥35,800
0.065ct loose Paraiba tourmaline from Brazil (CuO: 1.6%, MnO: 2.4%)
Sale price¥49,800
American Red Beryl 0.132ct Loose
Sale price¥33,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥15,800
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
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.