Sri Lankan Yellow Sapphire 0.223ct Loose
Sale price¥12,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
Sri Lankan Blue Sapphire 4.3mm/0.371ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.531ct Loose Stone
Sale price¥29,800
Madagascar Blue Sapphire (Ice Blue) 0.694ct Loose
Sale price¥18,800
Madagascar pink sapphire 0.275ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.263ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 1.054ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.133ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 3.046ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.309ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.3mm/0.292ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.328ct Loose Stone
Sale price¥12,800
Cambodian colorless zircon 1.407ct loose stone
Sale price¥12,800
Cambodian colorless zircon 1.806ct loose stone
Sale price¥15,800
Oregon Sunstone from the United States 0.596ct loose stone
Sale price¥12,800
Tanzanite from Tanzania 1.045ct loose stone
Sale price¥29,800
Afghanistan Bicolor Tourmaline 1.653ct Loose Stone
Sale price¥49,800
Tanzania UV type bicolor tsavorite 0.947ct loose stone
Sale price¥39,800
Sri Lankan Rhodolite Garnet 1.858ct Loose Stone
Sale price¥15,800
German Awinite 0.119ct loose stone
Sale price¥49,800
German Awinite 0.129ct loose stone
Sale price¥55,800
Australian white opal 2.318ct loose
Sale price¥12,800
South African diamond rough (sawable) 0.103ct rough (with trigon)
Sale price¥24,800
Mozambique Almandine Garnet 0.965ct Loose Stone
Sale price¥12,800
Aventurine Aquamarine 7.3mm/1.310ct Loose
Sale price¥14,800
Tanzanian bicolor tanzanite 5.0mm/0.585ct loose stone
Sale price¥15,800
Tanzanian Violet Spinel 0.541ct Loose Stone
Sale price¥9,800
Tanzanian Kornerupine 0.616ct loose stone
Sale price¥49,800
Tanzanian Kornerupine 0.500ct Loose Stone
Sale price¥39,800
Tanzanian Sunstone (Illusion Sunstone) 0.823ct Loose Stone
Sale price¥12,800
Brazilian Dendritic Agate 1.481ct Loose Stone
Sale price¥12,800
Mozambique Rhodolite Garnet 6.1mm/0.968ct Loose Stone
Sale price¥12,800
Kunzite from Afghanistan 1.857ct loose stone
Sale price¥18,800
![[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
Brazilian bicolor tourmaline 7.445ct loose stone
Sale price¥69,800
American Red Beryl 0.200ct Loose (Heart Shape) Nikkeikan
Sale price¥35,800
Indian Star Garnet 13.260ct Loose Stone (6 Rows)
Sale price¥5,980
American Red Beryl 0.252ct Loose
Sale price¥39,800
Madagascar Bicolor Sapphire 0.298ct Loose (Padparadscha Color)
Sale price¥35,800
Brazilian Bicolor Tourmaline Cat's Eye 9.5mm/4.730ct Loose Stone
Sale price¥18,800
Russian Demantoid Garnet (Horsetail Recognized) 5.1mm/0.664ct Loose Stone
Sale price¥188,000
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
Sri Lankan star sapphire 1.773ct loose
Sale price¥9,800
6.392ct Bicolor Sphalerite Loose Stone from Spain
Sale price¥69,800
Zimbabwean Euclase 2.976ct rough stone
Sale price¥98,000
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.