Australian black opal 3.242ct loose stone
Sale price¥69,800
Australian black opal 3.322ct loose stone
Sale price¥98,000
Bolivian Ametrine 36.887ct loose stone
Sale price¥98,000
Mexican Cantera Opal 13.531ct Loose
Sale price¥69,800
Sri Lankan cobalt spinel 0.281ct loose stone
Sale price¥59,800
[12552038] Beryl Cat's Eye 32.703ct Loose Stone
Sale price¥98,000
[12551529] Australian black opal 2.233ct loose stone
Sale price¥69,800
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥88,200
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥73,200
Additional charge: K18PG (base metal) + 10,000 yen
Sale price¥55,200
Diamond (cabochon cut) 0.206ct loose
Sale price¥55,800
Namibian Jeremejevite 0.501ct loose stone (bicolor)
Sale price¥98,000
Namibian Green Tourmaline 7.0mm/1.206ct Loose Stone (Lagoon Tourmaline)
Sale price¥59,800
[Sakura Incut] YAG (Yttrium Aluminum Garnet) 9mm/3.410ct Loose
Sale price¥55,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.