Burmese bicolor spinel 0.849ct loose
Sale price¥35,800
Myanmar Purple Spinel 0.650ct Loose
Sale price¥12,800
Myanmar Purple Spinel 0.434ct Loose Stone
Sale price¥12,800
Myanmar Trapiche Ruby 0.200ct Loose
Sale price¥12,800
Spinel 0.545ct loose (rose cut)
Sale price¥6,980
Myanmar Star Peridot 3.644ct Loose Stone
Sale price¥39,800
Myanmar color change zircon 0.626ct loose stone
Sale price¥55,800
Myanmar Color Change Zircon 3.7mm/0.323ct Loose Stone
Sale price¥25,800
Myanmar Ubaite Tourmaline 4.0mm/0.251ct Loose Stone
Sale price¥22,800
![[On sale from 22:00 on 5/1] Mali Garnet (Grossular/Andradite Garnet) 4.2mm/0.398ct Loose Stone with Certificate of Authenticity from the Republic of Mali](http://store.karatz.jp/cdn/shop/files/P3137639_0e3bd582-8297-4c0c-9bf5-09a61c159ace.jpg?v=1749163154&width=2881)
Malawi Bicolor Zircon 1.223ct Loose Stone
Sale price¥55,800
[12558439] Malawi Bicolor Zircon 0.809ct Loose Stone
Sale price¥32,800
![[On sale from 10pm on 5/18] Malawi bicolor zircon 0.621ct loose stone](http://store.karatz.jp/cdn/shop/files/P3139797_8924ce33-8ebc-4614-aa4b-827edff1d5f4.jpg?v=1749163093&width=3437)
[On sale from 10pm on 5/18] Malawi bicolor zircon 0.621ct loose stone
Sale price¥29,800
Malawi Bicolor Zircon 0.355ct Loose Stone
Sale price¥12,800
Malawi Sapphire 3mm/0.131ct Loose
Sale price¥15,800
[E33 Shinjuku] Madagascar Pezzottaite 0.206ct Loose Stone
Sale price¥12,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.272ct Loose Stone
Sale price¥19,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone
Sale price¥16,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.179ct Loose Stone
Sale price¥12,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.119ct loose
Sale price¥12,800
Madagascar Blue Sapphire 4.0mm/0.326ct Loose
Sale price¥11,000
Madagascar Blue Sapphire 0.401ct Loose
Sale price¥14,800
[E33 Shinjuku] 0.266ct loose blue sapphire from Madagascar
Sale price¥8,800
Madagascar Blue Apatite 0.916ct Loose Stone
Sale price¥8,800
Madagascar Padparadscha Sapphire 0.208ct Loose DGL
Sale price¥34,800
Madagascar Bicolor Sapphire 0.296ct Loose
Sale price¥7,980
Bicolor sapphire from Madagascar 0.265ct loose
Sale price¥16,800
![[On sale from 10pm on 5/11] Madagascar bicolor sapphire 0.263ct loose stone (Padparadscha color)](http://store.karatz.jp/cdn/shop/files/P6290214_0a2f3276-e024-4679-9d97-b36ae25068c8.jpg?v=1749163100&width=4000)
Madagascar Purple Sapphire 0.433ct Loose Stone
Sale price¥14,800
Madagascar Dumortierite 0.172ct loose stone (single crystal)
Sale price¥128,000
Madagascar sphene 6.506ct loose stone
Sale price¥98,000
Madagascar sphene 2.791ct loose stone
Sale price¥98,000
Sphene from Madagascar 1.899ct loose
Sale price¥24,800
Sphene from Madagascar 1.853ct loose
Sale price¥24,800
Sphene from Madagascar 1.476ct loose
Sale price¥18,800
Madagascar sphene 1.146ct loose stone
Sale price¥29,800
Madagascar sphene 0.838ct loose stone
Sale price¥12,800
Madagascar sphene 0.665ct loose stone
Sale price¥12,800
Sphene from Madagascar 0.711ct loose
Sale price¥19,800
Sphene 0.590ct loose
Sale price¥3,980
Madagascar sphene 0.430ct loose stone
Sale price¥8,800
Madagascar sphene 0.569ct loose stone
Sale price¥8,800
[12558638] Safarin 0.268ct loose stone
Sale price¥21,800
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.