Mozambique Pink Sapphire 0.276ct Loose (Hot Pink Sapphire)
Sale price¥9,800
Goshenite 6.1mm/0.905ct loose stone
Sale price¥7,980
Purple Spinel 4.3mm/0.323ct Loose Stone
Sale price¥6,980
Violet spinel 0.301ct loose
Sale price¥6,980
Pink tourmaline 0.466ct loose
Sale price¥8,800
Tanzania Zoisite 0.278ct loose stone
Sale price¥7,980
Zoisite 0.216ct loose stone (heart shape)
Sale price¥7,980
Zoisite 0.162ct loose stone (heart shape)
Sale price¥7,980
Zoisite 0.247ct loose stone (heart shape)
Sale price¥7,980
[On sale 5/22 at 10 PM] Australian Black Opal 0.325ct Loose Stone
Sale price¥9,800
![[On sale May 29th at 10 PM] "Checker x Sui" Koshu Kiseki Cut Mexican Fire Opal (usually 79,800 yen) Gacha with only 10 stones available. Win a Fire Opal (and receive one Contraluz!). [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/27_82a970f3-f0af-4a8f-b088-2b2a73e4e17f.png?v=1778314244&width=1890)
![[On sale May 10th, 10 PM JST] 《Limited 4 Stones》Madagascar Pezzottaite Loose Stone (Round Cut, approx. 3mm) cut by Mr. Sanje 《Multi-purchase discount available》](http://store.karatz.jp/cdn/shop/files/P5070774.jpg?v=1778310124&width=4000)
![[On sale May 10th, 10 PM JST] 6 Limited Pieces - Brazilian Mica in Rose Quartz (One stone), Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P5070688.jpg?v=1778245850&width=4000)
![[On sale May 10th at 10 PM] "Limited 11 Stones" Brazilian Mica in Rose Quartz (1 stone) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/P5070637.jpg?v=1778245542&width=4000)
![[Sale at 10 PM on May 6th] Limited to 9 stones: Untreated Bicolor or Sky Blue Topaz Single Stone Gacha (Brazilian) [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/P1010905_01e2d8c6-7a0f-4008-afe2-bc20355d9603.jpg?v=1777629558&width=4000)
![[On Sale 5/6 10 PM] Limited to 10 Stones: Scapolite Gacha Featuring Koshu Kiseki Kiriko Plusthree "Akatsuki" (Normally ¥45,800) with a Chance to Win! [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/23_596d653f-d2ac-4e7d-bfea-4e8c2985078a.png?v=1777606488&width=1890)
![[On sale May 4th at 10 PM] "Limited to 11 Gems" Rouge Cut & Heart Shape Gemstone Gacha for ¥18,800! 💎 Almandine Garnet, Pink Tourmaline, Scolecite, Sapphire. "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/22_c08b10af-9494-4ce9-8e59-7047cbe3cc33.png?v=1777603740&width=4000)
![[Sale on May 4 at 10 PM JST] 12 Limited Pieces: Topaz Gacha (including Imperial Topaz) to win a Koshu Kiseki Kiriko plusthree "Akatsuki" (usually 35,800 yen) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/collage_4dc08ebc-7ae7-4e78-8a7c-db77db9e24a3.png?v=1777622176&width=2250)
![[May 3, 10 PM JST Release] Dendritic Agate (Dendritic Quartz) Gacha - 1 Stone Loose Piece "Tucson New Arrivals / Limited 7 Stones" (Multi-Purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/collage_a21961d5-944b-44ca-b713-5888dd00b791.png?v=1777552169&width=2250)
![[Sales Start: May 5th, 10 PM JST] Limited 12 Stones - Alexandrite Gacha with Alexandrites from Different Origins, including Russian Alexandrite (normally 69,800 JPY), plus a bonus Sri Lankan Chrysoberyl crystal. Multiple purchase discount available.](http://store.karatz.jp/cdn/shop/files/collage_5a6f127c-f435-4118-96c7-e2519cfa5cc0.png?v=1777629286&width=2250)
![[Sale starts May 2nd, 10 PM JST] 《Limited to 9 Stones》Rare Round Cabochon Cut Sri Lankan Star Sapphire (Approx. 5.0mm) 《Multi-item Discount Available》](http://store.karatz.jp/cdn/shop/files/P1010056_6988cdc8-8729-493d-a408-30be8d1b73ec.jpg?v=1777521383&width=4000)
![[On sale May 4th at 10 PM] Limited to 12 Stones - Loose Sri Lankan Star Sapphire (1 Stone) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P1010018_ab780077-1e90-4498-8d90-d376bf99bd64.jpg?v=1777520184&width=4000)
![[On Sale May 2, 10 PM JST] 7 Limited Pieces - Mexican Opal, Max. 11ct (Includes items with minor flaws) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P1010481_db517dff-caf5-40cf-b8d1-e5c10273ddf0.jpg?v=1771719722&width=4000)
![[Available at 10 PM on February 2nd] Limited to 13 stones. Newly arrived in Tucson: Brazilian Dumortierite in Quartz, 1.1 carats average cabochon cut. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/P1011060.jpg?v=1771552232&width=4000)
Colombian mint color emerald 0.136ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.155ct loose stone
Sale price¥7,980
Bicolor Zoisite 0.823ct rough stone
Sale price¥6,980
Purple Zoisite 2.617ct rough stone
Sale price¥9,800
Bicolor Tanzanite 1.677ct rough stone
Sale price¥7,980
Colombian emerald 0.153ct rough stone
Sale price¥6,980
Colombian emerald 0.443ct rough stone
Sale price¥8,800
Mica in Quartz 0.865ct Loose Stone
Sale price¥5,980
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.