Argentine Inca Rose 15.190ct loose stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥98,000
Mozambique Aquamarine 3.301ct Loose Stone
Sale price¥59,800
Brazilian Paraiba Tourmaline in Quartz 2.827ct loose stone
Sale price¥49,800
Brazilian Paraiba Tourmaline in Quartz 3.049ct loose stone
Sale price¥49,800
Brazilian Limonite in Topaz 3.399ct loose stone
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose
Sale price¥54,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.089ct loose stone
Sale price¥16,800
Indian Cavansite 1.717ct loose stone
Sale price¥8,800
Synthetic Moissanite 12.5mm/6.579ct Loose Stone
Sale price¥29,800
Colombian Trapiche Emerald 1.494ct Loose
Sale price¥69,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥9,800
Brazilian Pompon Quartz (Radiated Crystal in Quartz) 7.686ct Loose
Sale price¥15,800
Brazilian Indigolite Tourmaline 6.052ct Loose Stone JTL
Sale price¥158,000
Brazilian Indigolite Tourmaline 1.440ct Loose Stone JTL
Sale price¥39,800
Sri Lankan Goethite Topaz 4.992ct Loose Stone
Sale price¥14,800
Madagascar sphene 6.506ct loose stone
Sale price¥98,000
Madagascar sphene 4.161ct loose stone
Sale price¥69,800
Brazilian Green Tourmaline 11.453ct Loose Stone
Sale price¥158,000
Brazilian Green Tourmaline 9.495ct Loose
Sale price¥128,000
Tanzanite from Tanzania 6.006ct loose stone
Sale price¥228,000
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
Brazilian rhodonite 3.224ct loose stone
Sale price¥98,000
Australian black opal 9.709ct loose stone
Sale price¥158,000
Brazilian Rubellite 3.845ct loose stone
Sale price¥198,000
Colombian emerald rough stone 1.707ct
Sale price¥18,800
Australian Boulder Opal 23.164ct Loose
Sale price¥128,000
Japanese style twin crystal 5.771ct raw stone
Sale price¥19,800
Japanese style twin crystal 4.727ct raw stone
Sale price¥15,800
Japanese style twin crystal 4.715ct raw stone
Sale price¥15,800
Japanese style twin crystal 3.472ct raw stone
Sale price¥9,800
Pakistani Aragonite 4.782ct loose stone
Sale price¥14,800
Chinese bicolor fluorite 6.274ct loose stone
Sale price¥8,800
Argentine bicolor fluorite 11.226ct loose stone
Sale price¥6,980
Brazilian Morganite 4.720ct loose stone
Sale price¥98,000
Colombian pyrite-mica emerald 3.208ct loose stone
Sale price¥228,000
Sri Lankan Star Sapphire 5.225ct Loose
Sale price¥98,000
Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
Synthetic Moissanite 10mm/4.121ct Loose Stone (Portuguese Cut)
Sale price¥19,800
Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
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.
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.