Pink spinel 0.290ct loose
Sale price¥5,980
Purple spinel 0.210ct loose
Sale price¥3,980
Lavender spinel 0.160ct loose
Sale price¥3,980
[Sold at 10pm on September 15th] Blue sapphire 0.591ct loose stone
Sale price¥9,800
0.276ct loose hot pink spinel from Myanmar
Sale price¥19,800
[On Sale at 10 PM on September 11th] Colombian Emerald 0.222ct Loose
Sale price¥59,800
Russian demantoid garnet (horsetail recognized) 4.4mm/0.394ct loose
Sale price¥69,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥79,800
Paudlettite 0.375ct loose Japanese-German book
Sale price¥298,000
Russian demantoid garnet (horsetail recognized) 5.8mm/0.876ct loose
Sale price¥258,000
Spinel 0.545ct loose (rose cut)
Sale price¥6,980
Spinel 0.705ct loose (rose cut)
Sale price¥6,980
Purple spinel 0.424ct loose (rose cut)
Sale price¥6,980
Pink tourmaline 0.391ct loose
Sale price¥4,980
Russian demantoid garnet (horsetail recognized) 5.3mm/0.633ct loose
Sale price¥198,000
[Mr. NOBU] Green Opal from Amazon [Collaboration] 6.8mm loose
Sale price¥6,980
[Cat cut] Amazon green opal 6.5mm/0.580ct loose
Sale price¥6,980
Red beryl 0.181ct loose
Sale price¥29,800
Pink zircon 0.930ct loose
Sale price¥8,800
[On Sale at 10 PM on September 19th] Colombian Emerald 0.101ct Loose
Sale price¥15,800
[Sold at 10 PM on September 19th] Blue Sapphire 4.0mm/0.314ct Loose
Sale price¥112,800
Zimbabwean Bicolor Euclase 0.183ct Loose Stone
Sale price¥49,800
Fire Opal 2 Stone Pair 4mm/0.336ct Loose
Sale price¥3,980
Red beryl 0.109ct loose
Sale price¥18,800
Montebrasite 4.1mm 2 stone pair loose (green)
Sale price¥6,980
Red beryl 0.310ct loose
Sale price¥39,800
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥128,000
Bicolor Benitoite 0.067ct loose
Sale price¥25,800
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.