Madagascar pink sapphire 0.275ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.263ct Loose
Sale price¥12,800
Australian white opal 2.318ct loose
Sale price¥12,800
South African diamond rough (sawable) 0.103ct rough (with trigon)
Sale price¥24,800
Opal 1.242ct loose stone
Sale price¥19,800
Madagascar Bicolor Sapphire 0.298ct Loose (Padparadscha Color)
Sale price¥35,800
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
Sri Lankan star sapphire 1.773ct loose
Sale price¥9,800
![[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)
Black star sapphire 0.930ct loose
Sale price¥6,980
Sri Lankan Star Sapphire 7.976ct Loose
Sale price¥98,000
Colombian emerald cat's eye 0.108ct loose
Sale price¥8,800
South African diamond rough stone 0.210ct
Sale price¥8,800
Madagascar Purple Sapphire 0.342ct Loose Stone
Sale price¥12,800
Colombian pyrite emerald 2.380ct rough stone
Sale price¥29,800
Australian Boulder Opal 6.160ct Loose
Sale price¥18,800
Australian Boulder Opal 4.980ct Loose
Sale price¥19,800
South African Diamond Rough (Sawable) 0.107ct Rough Trigon
Sale price¥42,800
Mexican Cantera Opal 18.00ct Loose
Sale price¥29,800
Mexican Fire Opal 1.320ct Loose
Sale price¥13,800
Mexican water opal 0.404ct loose stone
Sale price¥12,800
Australian Opal 0.371ct Loose
Sale price¥8,800
Australian Opal 0.423ct Loose
Sale price¥6,980
Australian Opal 0.706ct Loose
Sale price¥8,800
Australian Opal 0.633ct Loose
Sale price¥9,800
Sapphire 0.328ct loose stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.209ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.318ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥15,800
Colombian Trapiche Emerald 2.730ct Loose
Sale price¥98,000
Colombian emerald 8.90ct rough stone
Sale price¥45,800
Colombian emerald cat's eye 0.083ct loose
Sale price¥6,980
Colombian emerald cat's eye 0.078ct loose
Sale price¥6,980
Mexican Hyalite Opal 4.9mm/0.348ct Loose
Sale price¥12,800
Mexican Hyalite Opal 6.9mm/1.134ct Loose
Sale price¥25,800
![[On Sale at 10 PM on September 14th] Mexican Hyalite Opal 6.1mm/0.652ct Loose](http://store.karatz.jp/cdn/shop/files/collage_34b5d1b8-6bc5-48fb-9ca5-3944313a240e.png?v=1757727531&width=2250)
Mexican Hyalite Opal 5.2mm/0.439ct Loose Stone
Sale price¥12,800
Mexican Hyalite Opal 4.8mm/0.304ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 5.0mm/0.378ct Loose Stone
Sale price¥11,000
Pt950 Tanzanian Tanzanite 1.357ct Blue Zircon Pink Sapphire Ring
Sale price¥128,000
Diamond 0.169ct loose (F, VS2)
Sale price¥18,800
Tanzanian bicolor sapphire 0.262ct loose stone
Sale price¥19,800
Mexican Cantera Opal 3.176ct Loose
Sale price¥39,800
Mexican Cantera Opal 2.038ct Loose
Sale price¥29,800
Mexican Cantera Opal 3.167ct loose stone (faceted cut)
Sale price¥12,800
Madagascar Green Sapphire 0.435ct Loose
Sale price¥13,800
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.