Mexican Danburite 1.515ct loose stone (phantom cut)
Sale price¥8,800
Mexican Danburite 1.612ct loose stone (phantom cut)
Sale price¥8,800
Russian demantoid garnet (horsetail recognized) 4.4mm/0.394ct loose
Sale price¥69,800
Mexican fire agate 5.519ct loose
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥79,800
Paraiba tourmaline from Brazil 0.134ct loose (CuO:0.8%, MnO:2.3%)
Sale price¥25,800
Mexican fire agate 3.613ct loose
Sale price¥15,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥59,800
Watermelon tourmaline 44.201ct Ruth Japanese-German book
Sale price¥398,000
Paudlettite 0.375ct loose Japanese-German book
Sale price¥298,000
Bicolor tourmaline 3.277ct loose
Sale price¥9,800
Particolor tourmaline 32.207ct loose (tricolor tourmaline)
Sale price¥398,000
Cantera opal 17.284ct loose
Sale price¥29,800
Fire opal 1.360ct loose
Sale price¥9,800
[Cat cut] Blue green tourmaline 5.5mm loose
Sale price¥8,800
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
Pink tourmaline 0.391ct loose
Sale price¥4,980
Pigeon Blood Ruby 0.590ct Loose AIGS
Sale price¥55,800
Russian demantoid garnet (horsetail recognized) 5.3mm/0.633ct loose
Sale price¥198,000
Sealight 2.666ct loose
Sale price¥18,800
Mexican Topaz 1.50ct Loose
Sale price¥9,800
Bangkacha sapphire (star sapphire) 69.655ct loose
Sale price¥148,000
[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
Conch pearl 0.390ct loose (pink white color)
Sale price¥18,800
Rutilated Quartz (Rutilated Quartz) 82.385ct Loose Stone, Japan-Germany
Sale price¥29,800
Sealight (Shealight) 1.940ct loose
Sale price¥15,800
Pink zircon 0.930ct loose
Sale price¥8,800
Afghanistan Clinozoisite 1.810ct Loose Stone (Phantom Cut)
Sale price¥8,800
![[Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch](http://store.karatz.jp/cdn/shop/products/PA047853.jpg?v=1749164731&width=4000)
![[Available at 10 PM on September 6th] Limited to 10 Blue Spinel Gacha - Includes 2 Cobalt Spinel (including color-shifted type) with Japanese and German appraisal certificates - Bonus Synthetic Cobalt Spinel (Multiple purchase discounts available)](http://store.karatz.jp/cdn/shop/files/collage_0e14cf1f-22a1-48b4-9f54-7e65505f2def.png?v=1757143868&width=2000)
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.