![[Available 8/30 at 10 PM] Colombian Emerald Rough (Avg. 0.25ct) <<2 stones remaining>> <<multi-buy discounts available>></multi-buy>](http://store.karatz.jp/cdn/shop/files/collage_fc6e26bf-7ddd-447e-9d31-a3ac98f1deb4.png?v=1787903459&width=2000)
![[Available 9/4 at 10 PM] 《16 Stones Limited》 Colombian Emerald Raw Stones (Average 0.35ct) 《Multiple Purchase Discount Available》](http://store.karatz.jp/cdn/shop/files/collage_c08fd04c-cb40-4b64-8210-7094d07ed197.png?v=1788334930&width=2000)
![[8/29 10 PM Sale] <<11 Stones Only>> Raw Emerald from Muzo, Colombia (Avg. 0.20ct) <<multi-purchase discount available>></multi-purchase>](http://store.karatz.jp/cdn/shop/files/collage_8a983e9d-ab06-40f8-8ca8-32257c5ebc00.png?v=1787903111&width=2000)
![[9/20 10 PM Sale] <limited to stones> Brazilian Moss Green Beryl Gacha (0.8ct average, Rose cut) <multi-buy discounts available></multi-buy></limited>](http://store.karatz.jp/cdn/shop/files/collage_eeda1e6d-127b-4359-a416-6d73380a4c5b.png?v=1789863065&width=2000)
![[Sales start 8/13 10 PM] Limited to 12 Stones! Beryl Gacha where you can win a 12mm camellia-cut Limonite in Beryl or Santa Maria Aquamarine with a certificate of authenticity for 45,800 yen. (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/collage_42474086-f487-4265-a1d0-33fa7887cdea.png?v=1786090469&width=2000)
![[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)
![[Available 9/22 at 22:00] 《7 Stones Only》 Moss Green Beryl Gacha (Oval Cut) Avg. 1.16ct 《Multi-buy Discount Available》](http://store.karatz.jp/cdn/shop/files/collage_28d6bd84-5d8c-4dd5-a10a-941c9b7f88ba.png?v=1791725690&width=2000)
![[On sale 9/4 at 10:00 PM] 《Limited to 7 stones》 Colombian mint-colored emerald rough (average 0.51ct) 《Multi-buy discount available》](http://store.karatz.jp/cdn/shop/files/collage_4a80269b-3a4f-4b51-bce8-58c65252f527.png?v=1788335435&width=2000)
Colombian Trapiche Emerald 1.494ct Loose
Sale price¥69,800
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥79,800
【10/27 22時販売】ナイジェリア産グリーンベリル 0.306ctルース
Sale price¥7,980
【10/27 22時販売】ナイジェリア産グリーンベリル 0.144ctルース
Sale price¥6,980
【10/27 22時販売】ナイジェリア産グリーンベリル 0.213ctルース
Sale price¥8,800
【10/27 22時販売】ナイジェリア産グリーンベリル 0.348ctルース
Sale price¥8,800
【10/27 22時販売】ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.501ctルース
Sale price¥15,800
【10/27 22時販売】ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.423ctルース
Sale price¥14,800
【10/27 22時販売】ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.305ctルース
Sale price¥13,800
【10/25 22時販売】ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.368ctルース
Sale price¥13,800
【10/25 22時販売】ブラジル産レインボーアクアマリン（イリデッセンスアクアマリン） 1.059ctルース
Sale price¥11,000
Colombian emerald loose stone 0.167ct
Sale price¥22,800
[Ref: 12564456] Mozambique Aquamarine 0.837ct Loose Stone
Sale price¥9,800
[Item 12564642] Colombian Trapiche Emerald 1.036ct Loose Stone
Sale price¥69,800
[Item 12564569] Russian Non-Oiled Emerald 0.121ct Loose Gemstone
Sale price¥49,800
[12560786] Nigerian Green Beryl 0.621ct Loose Stone
Sale price¥8,800
Zambian Emerald 0.188ct Loose Stone
Sale price¥9,800
[Available 10/10 at 10 PM] Brazilian Yellow Beryl 0.952ct Loose Gemstone
Sale price¥14,800
[10/9 10 PM Sale] Russian Non-Oiled Emerald 0.061ct Loose Stone
Sale price¥35,800
[Available 10/14 at 22:00] Russian Emerald 0.247ct Loose Gemstone
Sale price¥49,800
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.