Kunzite 8.4mm/2.908ct loose stone
Sale price¥19,800
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥35,800
2.568ct loose Larimar from the Dominican Republic
Sale price¥8,800
[Posted 12549094] Sri Lankan sapphire cat's eye 3.739ct loose
Sale price¥59,800
Green Zoisite 3.617ct loose
Sale price¥118,000
Bicolor Zoisite 2.481ct loose
Sale price¥69,800
Brazilian Rubellite 4.078ct Loose Stone
Sale price¥98,000
Mozambique Almandine Garnet 2.959ct Loose Stone
Sale price¥19,800
Cambodian Blue Zircon (Ratanakiri Blue) 2.822ct Loose Stone
Sale price¥98,000
Blue zircon 3.283ct loose
Sale price¥75,800
Prehnite 3.870ct loose
Sale price¥3,980
Playnight 3.085ct loose
Sale price¥3,980
Prehnite 3.874ct loose
Sale price¥3,980
[12560396] YAG (Yttrium Aluminum Garnet) 2.221ct Loose Stone
Sale price¥39,800
Tanzanian Almandine Garnet 2.992ct Loose Stone, Japan-Germany Exchange
Sale price¥15,800
Brazilian Green Spodumene 2.029ct Loose Stone
Sale price¥12,800
Brazilian Blue Topaz Cat's Eye 2.631ct Loose Stone
Sale price¥9,800
White topaz 3.780ct loose
Sale price¥9,800
Brazilian Elestial Amethyst 3.093ct Loose Stone
Sale price¥19,800
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
YAG (yttrium aluminum garnet) 7.5mm/2.410ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 7.3mm./2.150ct loose
Sale price¥12,800
Brazilian Pink Imperial Topaz 2.794ct Loose Japanese-German Edition
Sale price¥128,000
Pink tourmaline cat's eye 3.800ct loose
Sale price¥8,800
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
Tourmaline cat's eye 4.790ct loose
Sale price¥6,980
Tourmaline cat's eye 4.590ct loose
Sale price¥12,800
Diamond 2.810ct rough stone
Sale price¥9,800
Mexican Cantera Opal 2.125ct Loose
Sale price¥39,800
Kunzite from Afghanistan 3.108ct loose stone
Sale price¥15,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.156ct Loose Stone
Sale price¥18,800
Yellow tourmaline 2.290ct loose
Sale price¥8,800
Cambodian blue zircon 4.203ct loose
Sale price¥39,800
Colombian Euclase from Colombia 4.869ct loose
Sale price¥55,800
Tanzanite 2.726ct loose
Sale price¥110,000
Color change Andesine 2.311ct loose
Sale price¥25,800
Tanzanite 2.418ct loose
Sale price¥55,800
Synthetic moissanite 10.5mm/4.197ct loose (Portuguese cut)
Sale price¥29,800
Black opal 2.293ct loose
Sale price¥98,000
Mexican Cantera Opal 4.456ct Loose
Sale price¥39,800
Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
Cambodian Blue Zircon (Ratanakiri Blue) 2.607ct Loose Stone
Sale price¥59,800
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.