Colombian emerald with pyrite 0.248ct rough stone
Sale price¥12,800
Indian Cavansite 105.482ct rough stone
Sale price¥9,800
Oregon Sunstone 8.256ct rough stone
Sale price¥15,800
Indian Cavansite 240.461ct rough stone
Sale price¥9,800
Indian Cavansite 246.106ct rough stone
Sale price¥9,800
508ct rough cabansite from India
Sale price¥9,800
Aquamarine in quartz 18.954ct rough stone
Sale price¥15,800
Australian shell opal 53.277ct rough stone
Sale price¥59,800
1055.5ct Indian Cavansite Rough Stone
Sale price¥19,800
663.50ct Indian Cavansite rough stone
Sale price¥19,800
582.5ct rough cabansite from India
Sale price¥19,800
Indian bag site 572.500ct raw stone
Sale price¥18,800
316.775ct Indian Cavansite rough stone
Sale price¥19,800
Australian shell opal (shell opal) 96.177ct rough stone
Sale price¥69,800
Colombian trapiche emerald (reverse trapiche) 0.457ct rough stone
Sale price¥36,800
Oil-in-quartz 24.653ct rough stone from Madagascar
Sale price¥9,800
Oil-in-quartz 31.973ct rough stone from Madagascar
Sale price¥12,800
Oil-in-quartz 30.677ct rough stone from Madagascar
Sale price¥12,800
Bicolor tourmaline 3.242ct rough stone from Afghanistan
Sale price¥9,800
Amethyst 39.112ct raw stone from Zambia
Sale price¥8,800
Amethyst 29.357ct raw stone from Zambia
Sale price¥6,580
Amethyst 30.312ct raw stone from Zambia
Sale price¥6,580
Diamond 0.534ct rough stone
Sale price¥9,800
Oil-in-quartz 22.073ct rough stone from Madagascar
Sale price¥6,980
Ubaite/dravite tourmaline 3.157ct rough stone
Sale price¥9,800
Brazilian dumortierite in quartz 3.814ct raw stone
Sale price¥3,980
South African yellow diamond (makeable) 0.202ct rough stone
Sale price¥17,800
South African yellow diamond (makeable) 0.193ct rough stone
Sale price¥9,800
South African gray diamond (makeable) 0.169ct rough stone
Sale price¥15,800
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥15,800
Demantoid garnet 15.468ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 20.693ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 38.035ct rough stone from Madagascar
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 3.6mm/0.168ct rough stone
Sale price¥19,800
Colombian trapiche emerald (reverse trapiche) 0.135ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 3.4mm/0.132ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.131ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.098ct rough stone
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 3.2mm/ 0.091ct rough stone
Sale price¥11,000
Colombian trapiche emerald (reverse trapiche) 0.082ct rough stone
Sale price¥9,800
Rutile (single crystal) from Sri Lanka 10.697ct rough
Sale price¥19,800
Mexican Hyalite Opal 63.479ct rough stone
Sale price¥19,800
Mexican Hyalite Opal 13.614ct rough stone
Sale price¥15,800
Yellow diamond rough stone (makeable) 0.247ct rough stone
Sale price¥22,800
Brazilian Paraiba tourmaline 0.420ct raw stone (CuO:1.6%, MnO:1.3%)
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.