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
Brazilian Elestial Amethyst 3.093ct Loose Stone
Sale price¥19,800
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
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
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
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
Brazilian Green Spodumene 2.899ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.433ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 2.710ct Loose Stone
Sale price¥18,800
Sri Lankan star sapphire 2.062ct loose
Sale price¥12,800
Sri Lankan tourmaline 4.860ct loose stone (cushion cut)
Sale price¥12,800
Tanzanian Lavender Tanzanite 2.219ct Loose Stone
Sale price¥55,800
Mexican Cantera Opal 2.661ct Loose
Sale price¥12,800
Madagascar Apatite Cat's Eye 2.496ct Loose Stone
Sale price¥9,800
Brazilian Morganite 2.183ct loose stone
Sale price¥29,800
2.801ct loose stone of Rogerian fluorite from the UK
Sale price¥8,800
Kunzite from Afghanistan 4.992ct loose stone
Sale price¥15,800
Brazilian Green Spodumene 9.0mm/2.271ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 9.0mm/2.747ct Loose Stone
Sale price¥18,800
Brazilian bicolor topaz 2.618ct loose stone (untreated)
Sale price¥18,800
Madagascar Iolite 2.272ct loose stone
Sale price¥19,800
Nigerian Morganite 2.745ct loose stone
Sale price¥12,800
Madagascar Iolite 3.129ct loose stone
Sale price¥39,800
Brazilian Green Spodumene 10mm/4.505ct Loose Stone
Sale price¥19,800
Brazilian Green Tourmaline 4.613ct Loose Stone
Sale price¥39,800
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.