Mexican Opal 8.8mm/1.640ct Loose
Sale price¥29,800
Sri Lankan bicolor sapphire 0.260ct loose stone
Sale price¥12,800
Mexican Fire Opal 8.0mm/1.270ct Loose
Sale price¥29,800
Tanzanian Yellow Beryl 1.750ct Loose Stone
Sale price¥15,800
Fluorite rough stone from Namibia 5.0 x 6.3 x 2.0cm
Sale price¥12,800
Myanmar spinel 0.402ct loose stone
Sale price¥12,800
Synthetic Opal (Synthetic Black Opal) 0.723ct Loose
Sale price¥15,800
Synthetic Opal (Synthetic Black Opal) 0.651ct Loose
Sale price¥15,800
Mexican Fire Opal 1.755ct Loose
Sale price¥29,800
Sri Lankan Yellow Sapphire 0.272ct Loose (Bicolor)
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.543ct Loose
Sale price¥29,800
Indian Moonstone 8.2mm/1.823ct Loose
Sale price¥14,800
Australian Prehnite 5.398ct loose stone
Sale price¥12,800
Unheated Mozambique Ruby 0.220ct Loose
Sale price¥25,800
Colombian emerald 3.5mm/0.150ct loose stone
Sale price¥22,800
Brazilian bicolor tourmaline 1.177ct loose stone
Sale price¥12,800
Mozambique Pink Spinel 0.550ct Loose
Sale price¥14,800
Montana Sapphire 3.3mm/0.158ct Loose (Green Sapphire)
Sale price¥15,800
Brazilian bicolor tourmaline 0.914ct loose stone
Sale price¥12,800
Emerald 0.484ct loose
Sale price¥18,800
Color shift amethyst 4.191ct loose stone
Sale price¥14,800
Madagascar Apatite 1.038ct Loose
Sale price¥12,800
Madagascar Pink Tourmaline 0.543ct Loose Stone
Sale price¥14,800
Madagascar sphene 1.386ct loose stone
Sale price¥12,800
Madagascar sphene 0.673ct loose stone
Sale price¥15,800
Tanzanite from Tanzania 4.6mm/0.429ct loose stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.6mm/0.401ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.7mm/0.415ct Loose Stone
Sale price¥12,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.170ct Loose
Sale price¥18,800
Pakistani Veirinite 0.096ct loose stone
Sale price¥12,800
Pakistan Ruby in Quartz 1.429ct Loose Stone
Sale price¥12,800
Madagascar White Topaz (Needle-in Topaz) 4.086ct Loose
Sale price¥15,800
Ruby 0.273ct loose stone
Sale price¥13,800
Brazilian Green Tourmaline 0.703ct Loose Stone
Sale price¥15,800
Sri Lankan Blue Sapphire 0.226ct Loose
Sale price¥14,800
Sri Lankan Yellow Sapphire 0.593ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.299ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.261ct Loose
Sale price¥12,800
Myanmar pink spinel 0.465ct loose stone
Sale price¥19,800
Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct Loose Stone
Sale price¥15,800
Colombian emerald 3.1mm/0.097ct loose
Sale price¥22,800
Additional charge for resizing: 1,500 yen
Sale price¥15,000
Additional charge for resizing: 1,500 yen
Sale price¥14,250
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.