![[Available at 10 PM on August 2nd] Limited to 8 stones: Nobu Buff Top x Rose Cut Spinel (1 loose stone) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010018_3aecaf23-d2b3-4a21-9baf-0071f29ca097.jpg?v=1754018301&width=4000)
![Limited to 9 stones [Mr. Sanjay] Oil in quartz, spinel, yellow opal 1 loose stone (damaged) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P2220131_50010af8-99af-424d-9d1b-6ade6dc62a7a.jpg?v=1708595324&width=4000)
![[Available at 10 PM on August 30th] Limited to 10 stones: Madagascar Sapphirine (Sapphirine) Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010321_de80d97b-aaa8-4f57-b4f7-655e79ff8b8e.jpg?v=1755939478&width=4000)
![[Available at 10 PM on August 9th] Limited Quantity: 1.5mm Pink Spinel from Myanmar (including Hot Pink Spinel) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010178_cfebbbd9-0116-4cc1-be32-c12acb39a6ea.jpg?v=1754628360&width=4000)
![《Limited to 8 stones》 [Mr. Sanjay] Hackmanite or Sodalite 1 stone loose (maximum 3.63 ct)《Multiple purchase discount available》](http://store.karatz.jp/cdn/shop/files/P2010092_173a76f3-d629-443f-bb31-98ab1fccbd1a.jpg?v=1706772810&width=4000)
![[On sale from 10/5 at 10 PM] Limited to 9 stones. All stones come with a certificate of authenticity. One loose Zoisite stone (yellow, pink-brown, green, etc.). Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/8_c59ee992-4d3e-44ec-9288-7314d219d00f.png?v=1758897171&width=4000)
![[On sale at 10 PM on September 21st] Limited to 14 stones: Beryllium-heated Sapphire (3.5mm, KEN Cut) - Single Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010016_abbaadd4-abc6-4f95-9926-76bbf33dc3a4.jpg?v=1758169059&width=4000)
![[On sale at 10 PM on September 28th] [Limited to 14 stones] 3mm Unheated Sapphire from Theppanawa Mine, Sri Lanka (Multiple purchase discounts available)](http://store.karatz.jp/cdn/shop/files/P1010175_78938ea8-168a-4521-afd0-ac5b2f5a29b2.jpg?v=1757668227&width=4000)
Spinel 0.705ct loose (rose cut)
Sale price¥6,980
Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥89,800
Green Zoisite 3.617ct loose
Sale price¥118,000
Bicolor Zoisite 2.481ct loose
Sale price¥69,800
Pink zoisite from Tanzania 6.7mm/1.393ct loose (peach tanzanite)
Sale price¥128,000
Jeremejevite from Namibia 0.056ct loose
Sale price¥12,800
Jeremejevite from Namibia 0.034ct loose
Sale price¥9,800
Jeremejevite from Namibia 0.064ct loose
Sale price¥12,800
Pink zoisite 3.206ct rough stone from Tanzania
Sale price¥7,980
Brazilian rainbow scapolite 6mm/0.516ct loose
Sale price¥2,980
Burmese spinel 0.950ct loose (buff top)
Sale price¥15,800
[10/10 22:00 Sale] Cambodian Colorless Zircon 0.630ct Loose
Sale price¥8,800
[10/10 22:00 Sale] Cambodian Colorless Zircon 0.905ct Loose
Sale price¥9,800
[10/10 22:00 Sale] Tanzanian Purple Sapphire 0.355ct Loose
Sale price¥9,800
[10/12 22:00 Sale] Cambodian Blue Zircon (Ratanakiri Blue) 1.513ct Loose
Sale price¥59,800
[On Sale at 10pm on October 9th] Zimbabwean Sphene 1.028ct Loose Stone
Sale price¥25,800
[On sale from 10/7 at 10pm] Zimbabwean sphene 0.987ct loose stone
Sale price¥19,800
[On sale from 10/7 at 10pm] Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
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.