Australian boulder opal 6.980ct loose
Sale price¥6,980
Sri Lankan star sapphire 5.066ct loose
Sale price¥69,800
Mexican Cantera Opal 8.432ct Loose
Sale price¥39,800
Mexican Cantera Opal 9.166ct Loose
Sale price¥69,800
Brazilian Dumortierite in Quartz 10.0mm/5.357ct Loose Stone
Sale price¥39,800
Colombian emerald rough stone 7.924ct
Sale price¥9,800
Brazilian Yellow Beryl 9.747ct Loose Stone
Sale price¥98,000
Tanzanian Almandine Garnet 11.0mm/6.787ct Loose Stone
Sale price¥49,800
Tanzanian Almandine Garnet 10mm/6.196ct Loose Stone
Sale price¥29,800
Dendritic quartz 7.997ct loose
Sale price¥6,980
Bicolor tourmaline 5.825ct loose
Sale price¥128,000
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
Brazilian Aquamarine 8.858ct Loose Stone
Sale price¥198,000
[Posted 12543726] Hemimorphite 9.282ct loose
Sale price¥59,800
[Posted 12543724] Hemimorphite 9.286ct loose
Sale price¥59,800
Celestite from Madagascar 7.080ct loose Japanese and German
Sale price¥98,000
[Cat Cut] Brazilian Dendritic Quartz 6.775ct Loose
Sale price¥15,800
Rouge Cut Almandine Garnet from Mozambique, 5.952ct Loose
Sale price¥15,800
Set of 2 rutile stones, 6.213ct (rough stone + loose stone)
Sale price¥59,800
Australian boulder opal 9.120ct loose
Sale price¥98,000
Green sapphire 7.545ct loose (spade cut)
Sale price¥59,800
Oligoclase Sunstone 6.432ct Loose Stone
Sale price¥25,800
[Posted 12533051] Cantera Opal 8.970ct Loose
Sale price¥12,800
Cantera Opal 5.750ct loose
Sale price¥18,800
Mexican Cantera Opal 5.882ct Loose
Sale price¥39,800
Pink fluorite 6.530ct loose
Sale price¥5,980
Synthetic Moissanite 13mm/8.154ct Loose Stone
Sale price¥39,800
Brazilian Topaz Cat's Eye 8.781ct Loose Stone
Sale price¥8,800
Brazilian Topaz Cat's Eye 7.869ct Loose Stone
Sale price¥8,800
Maushitsit (Mawsissi) from Myanmar 5.796ct loose
Sale price¥6,980
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Synthetic Moissanite 13.5mm/8.950ct Loose
Sale price¥39,800
Mexican fire agate 8.69ct loose
Sale price¥14,800
Mexican fire agate 5.86ct loose
Sale price¥14,800
Colombian fluorite 6.327ct loose stone
Sale price¥25,800
Colombian fluorite 5.903ct loose stone
Sale price¥18,800
Spanish Sphalerite 12.5mm/9.860ct Loose Stone
Sale price¥98,000
Brazilian rutilated quartz (rutilated quartz) 7.741ct loose stone
Sale price¥15,800
Congo hemimorphite 9.849ct loose stone
Sale price¥49,800
Cambodian Blue Zircon (Ratanakiri Blue) 6.771ct Loose
Sale price¥168,000
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
Sri Lankan Star Sapphire 7.976ct Loose
Sale price¥98,000
Garden quartz 8.690ct loose
Sale price¥2,980
Montana Agate 6.534ct Loose Stone
Sale price¥6,980
Brazilian Green Spodumene 6.484ct Loose Stone
Sale price¥29,800
Brazilian bicolor tourmaline 6.227ct loose stone
Sale price¥69,800
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.