Euclase from Zimbabwe 0.183ct Loose Stone with Certificate
Sale price¥35,800
Diamond (cabochon cut) 0.206ct loose
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:2.0%, MnO:2.2%)
Sale price¥35,800
2.055ct Bicolor Sphalerite from Spain
Sale price¥39,800
0.183ct Trapiche Emerald Loose Stone from Colombia
Sale price¥39,800
0.210 ct Colombian Trapiche Emerald Loose Stone
Sale price¥39,800
Australian Black Opal 1.080ct Loose
Sale price¥39,800
Spanish Sphalerite 9.2mm/3.980ct loose stone
Sale price¥49,800
[12550851] 2.944ct Mozambique pink tourmaline loose stone
Sale price¥39,800
American Red Beryl 0.147ct Loose
Sale price¥35,800
0.065ct loose Paraiba tourmaline from Brazil (CuO: 1.6%, MnO: 2.4%)
Sale price¥49,800
American Red Beryl 0.132ct Loose
Sale price¥33,800
American red beryl 0.143ct loose
Sale price¥35,800
[Colorfri] K18 Akoya Pearl and 0.08ct Diamond Ring with Certificate
Sale price¥49,800
[KalaFuri] K18 Rhodochrosite 0.77ct Ring with Certification
Sale price¥39,800
Madagascar Padparadscha Sapphire 3.9mm/0.336ct Loose DGL Certified
Sale price¥45,800
0.985 ct Loose Bicolor Zircon from Malawi (Malawi Zircon)
Sale price¥39,800
Ruby 0.820ct Loose Gem (Hohki-kyo)
Sale price¥39,800
Loose 0.239ct Paraiba Tourmaline from Brazil (CuO: 0.8%, MnO: 3.7%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.205ct Loose Stone (CuO: 0.8%, MnO: 3.1%)
Sale price¥39,800
Brazilian Paraiba Tourmaline 0.211ct Loose (CuO:0.6%, MnO:3.1%)
Sale price¥39,800
Blue watermelon tourmaline 6.815ct loose
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.065ct Loose Stone (CuO: 2.0%, MnO: 2.4%)
Sale price¥49,800
0.066ct loose Brazilian Paraiba Tourmaline (CuO: 1.5%, MnO: 2.2%)
Sale price¥45,800
Loose 0.061ct Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.2%)
Sale price¥49,800
0.062ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 2.5%)
Sale price¥47,800
Kunzite from Afghanistan 12mm/8.834ct loose stone
Sale price¥39,800
Diamond 3.7mm/0.194ct Loose (H, VS-2, Excellent)
Sale price¥35,800
Diamond 3.7mm/0.190ct Loose (E, VVS-2, VeryGood)
Sale price¥34,800
Diamond 3.7mm/0.192ct Loose (F, VVS-2, VeryGood)
Sale price¥39,800
Diamond 3.7mm/0.184ct Loose (D, VS-1, VeryGood)
Sale price¥33,800
Diamond 3.3mm/0.172ct Loose (G, VS-1, Flanders Cut)
Sale price¥45,800
Afghan Hackmanite 0.205 ct Loose
Sale price¥36,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥49,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
[COLORFUL] Pt900 Diamond 1.00ct Pendant (Necklace)
Sale price¥49,800
Namibian Jeremejevite 0.261ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.038ct Loose Stone (CuO:1.3%, MnO:2.7%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.041ct Loose (CuO:1.9%, MnO:4.3%)
Sale price¥39,800
Brazilian Paraiba Tourmaline 0.038ct Loose Stone (CuO:1.6%, MnO:2.8%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.050ct Loose Stone (CuO:1.9%, MnO:3.6%)
Sale price¥39,800
Paraiba Tourmaline from Brazil, 0.039ct loose stone (CuO:1.6%, MnO:2.9%)
Sale price¥35,800
Brazilian Aquamarine 68.088ct Loose Stone with Gem Identification Report
Sale price¥39,800
Salt and pepper diamond 0.446ct loose
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.