Brazilian Green Tourmaline 0.770ct Loose Stone with Appraisal Report
Sale price¥25,800
Brazilian Dumortierite in Quartz 1.684ct Loose Gemstone
Sale price¥12,800
Brazilian Dumortierite in Quartz 4.152ct Loose Stone
Sale price¥25,800
[Listed as 22602651] [Colorful] K9 Ruby Pendant Top (Necklace Top)
Sale price¥19,800
[22602646 listed] [Karafuri] Pt850 Blue Sapphire 0.66ct Ring
Sale price¥59,800
[Listed as 12563264] Rough Russian Diamond (Sawable) 0.124ct
Sale price¥39,800
Sierra Leonean Rough Diamond (Sawable) 0.072 ct. [12563273 Listed]
Sale price¥22,800
[Lottery Sale 0428_2_07] Watermelon Tourmaline 14.780ct Loose Stone
Sale price¥128,000
Diamond 3.0mm/0.100ct Loose (E, VVS-2, VeryGood)
Sale price¥22,800
Diamond 3.8mm/ 0.198ct Loose (D, VVS-2, VeryGood)
Sale price¥29,800
Green Diamond 0.100ct Loose (VERY LIGHT GREEN, SI-1, Old Cut)
Sale price¥39,800
Diamond 0.229ct Loose (D, VS2, Flanders Cut)
Sale price¥39,800
[Calafuri] Pt900 Rough Diamond 2.733ct, Diamond 0.68ct Ring with Certificate
Sale price¥198,000
Brazilian Paraiba Tourmaline 2.9mm/0.090ct Loose (CuO:1.7% MnO:1.4%)
Sale price¥69,800
Paraiba tourmaline from Brazil 0.086ct loose
Sale price¥79,800
Brazilian Dumortierite in Quartz 1.290ct Loose
Sale price¥12,800
Brazilian Blue Tourmaline in Quartz 10.466ct Loose
Sale price¥39,800
Brazilian Blue Tourmaline in Quartz 4.241ct Loose
Sale price¥19,800
Dumortierite in quartz from Brazil 7.3mm/1.729ct loose stone
Sale price¥12,800
[Listed on 22602645] [Colorful] Pt900 Ruby 0.6ct Ring
Sale price¥98,000
[Item ID: 22602630] [Karafuri] Pt900 Blue Sapphire 0.43ct Ring
Sale price¥98,000
Diamond loose/certificate transfer fee
Sale price¥8,800
Tanzanian Lavender Tanzanite 0.558ct Loose Stone
Sale price¥12,800
Tanzanian bicolor tanzanite 0.573ct loose stone
Sale price¥12,800
Tanzanian Lavender Tanzanite 0.577ct Loose Stone
Sale price¥12,800
Brazilian Pink Tourmaline 0.418ct Loose Stone (Rouge Cut)
Sale price¥8,800
Russian rough diamond (sawable) 0.088ct loose
Sale price¥19,800
Brazilian Paraiba Tourmaline 0.360ct Loose GIA
Sale price¥298,000
Brazilian Green Tourmaline 0.825ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.376ct Loose Stone
Sale price¥7,980
Brazilian Green Tourmaline 0.332ct Loose Stone
Sale price¥7,980
Tanzanite from Tanzania 0.497ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.245ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.385ct loose stone
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.060ct Loose (CuO:1.6%, MnO:2.3%)
Sale price¥42,800
Russian Diamond Rough (Sawable) 0.103ct Loose (Trigon)
Sale price¥25,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
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.