Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Mexican Fire Opal 4.2mm/0.182ct Loose
Sale price¥8,800
Blue tourmaline from Afghanistan 4.5mm/0.326ct loose
Sale price¥7,980
[11/10 22:00 Sale] Oil-free American red beryl 0.060ct loose GIA
Sale price¥128,000
Colombian oil-free emerald 0.290ct loose GIA
Sale price¥188,000
Yellow sapphire from Madagascar 0.232ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥6,980
Madagascar sapphire 0.205ct loose
Sale price¥7,980
[11/22 22:00] Afghanistan Hackmanite 0.177ct Loose Stone
Sale price¥14,800
Green sapphire from Madagascar 0.199ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥4,980
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥6,980
[Posted 12544254] Cornel pin 0.228ct loose
Sale price¥18,800
Brazilian blue tourmaline 0.376ct loose
Sale price¥7,980
Spinel from Sri Lanka 0.276ct loose
Sale price¥2,980
[On Sale 11/8 at 10pm] Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
[11/2 22:00 Sale] Sri Lankan Blue Sapphire 0.187ct Loose
Sale price¥29,800
[11/2 22:00] American Peridot 0.283ct Loose Stone
Sale price¥8,800
[11/2 22:00 Sale] Tanzanian Blue Zoisite 0.473ct Loose Stone
Sale price¥9,800
[On Sale 11/2 at 10pm] Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
[On Sale 11/2 at 10pm] Zimbabwean Sphene 4.7mm/0.400ct Loose Stone
Sale price¥9,800
[On Sale 11/2 at 10 PM] Mexican Opal 0.233ct Loose (Faceted)
Sale price¥12,800
[11/2 22:00] American Benitoite 0.071ct Loose Stone
Sale price¥12,800
[11/2 22:00] Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
[On Sale 11/1 at 10pm] Tanzanian Kornerupine 0.324ct Loose Stone
Sale price¥29,800
[On Sale 11/1 at 10pm] Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
[On Sale 11/23 10pm] Colombian Oil-Free Emerald 0.220ct Loose GIA
Sale price¥298,000
[11/3 22:00 Sale] Colombian Emerald 0.176ct Loose
Sale price¥59,800
[11/3 22:00] Colombian Emerald 0.126ct Loose
Sale price¥49,800
[11/14 22:00 Sale] Madagascar Pezzottaite 0.198ct Loose Stone
Sale price¥15,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.280ct Loose Stone
Sale price¥49,800
[On Sale 11/23 10pm] Greenland Ruby 0.360ct Loose Stone with Certificate
Sale price¥69,800
Russian Alexandrite 2.8mm/0.111ct Loose Stone
Sale price¥69,800
Russian Alexandrite 0.074ct loose stone
Sale price¥59,800
[10/31 22:00 Sale] German Auchenite 0.063ct Loose Stone
Sale price¥29,800
[10/31 22:00 Sale] German Auchenite 0.073ct Loose Stone
Sale price¥32,800
[11/1 22:00 Sale] Tanzanian Spessartine Garnet 0.383ct Loose Stone
Sale price¥12,800
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.