Synthetic Moissanite 10mm/4.121ct Loose Stone (Portuguese Cut)
Sale price¥19,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
Brazilian Euclase 0.695ct Loose Stone
Sale price¥18,800
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Synthetic Opal 1.914ct Loose
Sale price¥15,800
Stibnite in Quartz 7.885ct loose stone
Sale price¥12,800
Colombian Trapiche Emerald 0.416ct Loose
Sale price¥22,800
Colombian Mica in Emerald 4.6mm/0.210ct Loose Stone
Sale price¥12,800
Colombian Trapiche Emerald 0.291ct Loose
Sale price¥15,800
Bicolor Euclase from Zimbabwe 0.033ct loose
Sale price¥28,800
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
Zimbabwean Blue Apatite (UV Type) 1.019ct Loose
Sale price¥14,800
Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Brazilian Lepidocrocite in Quartz 1.352ct Loose Stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 1.376ct loose stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 2.116ct loose stone
Sale price¥15,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.551ct Loose Stone
Sale price¥19,800
Synthetic rutile 5.8mm/0.915ct loose stone
Sale price¥18,800
Tanzania Bicolor Zoisite 0.645ct Loose Stone
Sale price¥12,800
Tanzania Zoisite 1.000ct Loose Stone
Sale price¥19,800
Tanzanite from Tanzania 1.250ct loose stone
Sale price¥22,800
Silky Sapphire from Sri Lanka 1.716ct loose stone
Sale price¥14,800
Sri Lankan Silky Sapphire 6.4mm/1.036ct Loose Stone
Sale price¥12,800
Nigerian Aventurine Aquamarine 1.164ct Loose Stone
Sale price¥12,800
Brazilian Moss Agate 1.065ct Loose Stone
Sale price¥12,800
Myanmar pink spinel 0.520ct loose stone
Sale price¥12,800
Tanzanite from Tanzania 0.492ct loose stone
Sale price¥14,800
Tanzania Bicolor Zoisite 1.509ct Loose Stone
Sale price¥22,800
Brazilian Dumortierite in Quartz 2.714ct loose stone
Sale price¥24,800
Brazilian bicolor tourmaline 1.248ct loose stone
Sale price¥18,800
Pakistani Aragonite 4.782ct loose stone
Sale price¥14,800
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥25,000
Tanzanian Kornerupine 0.453ct loose stone
Sale price¥24,800
Brazilian Rubellite Cat's Eye 1.180ct Loose Stone
Sale price¥29,800
Zimbabwean Apatite (UV type) 1.393ct loose stone
Sale price¥29,800
Zimbabwean Apatite (UV type) 0.585ct loose stone
Sale price¥12,800
1.953ct Bicolor Sphalerite from Spain
Sale price¥25,800
South African Sugilite 1.330ct loose stone
Sale price¥22,800
Pakistani Veirinite 0.072ct loose stone
Sale price¥19,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.