Tanzanian Rhodolite Garnet 0.448ct Loose Stone
Sale price¥6,980
Tanzanian Kornerupine 0.154ct loose stone
Sale price¥12,800
[Posted 12548743] Cornellpine from Tanzania 0.181ct loose
Sale price¥29,800
Russian rough diamond (sawable) 0.101ct loose
Sale price¥25,800
Tanzanian Golden Sheen Sapphire 3.8mm/0.301ct Loose Stone
Sale price¥13,800
Tanzanian Kornerupine 0.212ct loose stone
Sale price¥19,800
Ethiopian Opal 0.466ct Loose (Heart Shape, Faceted Cut)
Sale price¥3,980
Ethiopian Opal 0.294ct Loose (Heart Shape, Faceted Cut)
Sale price¥6,980
Montana Sapphire 0.254ct loose
Sale price¥9,800
American red beryl 0.207ct loose
Sale price¥49,800
Purple Spinel 4.8mm/0.422ct Loose Stone
Sale price¥6,980
Purple spinel 4.5mm/0.365ct loose
Sale price¥4,980
Pink spinel 4.3mm/0.342ct loose
Sale price¥6,980
Pink spinel 3.8mm/0.192ct loose
Sale price¥5,980
Purple spinel 0.465ct loose
Sale price¥5,980
Color change sapphire 0.453ct loose
Sale price¥5,980
Pezzotite from Madagascar 0.128ct loose
Sale price¥6,980
Pezzottite from Madagascar 0.142ct loose
Sale price¥9,800
Pezzottite from Madagascar 0.115ct loose
Sale price¥5,980
Pezzotite from Madagascar 0.129ct loose
Sale price¥6,980
Brazilian dumortierite in quartz 0.496ct loose
Sale price¥6,580
Brazilian dumortierite in quartz 0.309ct loose
Sale price¥4,980
Australian black opal 0.310ct loose
Sale price¥8,800
Pink tourmaline 0.489ct loose
Sale price¥6,980
Bicolor tourmaline 0.467ct loose
Sale price¥6,980
Benitoite 2.2mm/0.229ct loose
Sale price¥57,800
Synthetic moissanite 0.372ct loose
Sale price¥9,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Gacha sapphire 0.268ct loose stone
Sale price¥26,800
Brazilian emerald 3.2mm/0.124ct loose
Sale price¥25,800
Lavender spinel 0.305ct loose
Sale price¥7,980
Diamond 0.348ct loose (I, SI1)
Sale price¥59,800
Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2)
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.