pear shape
0.065ct loose Paraiba tourmaline from Brazil (CuO: 1.6%, MnO: 2.4%)
Sale price¥49,800
Loose Paraiba Tourmaline from Brazil, 0.059ct (CuO: 1.4%, MnO: 2.7%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.065ct Loose Stone (CuO: 2.0%, MnO: 2.4%)
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.066ct loose stone (CuO:1.7%, MnO:2.4%)
Sale price¥49,800
0.062ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 2.5%)
Sale price¥47,800
Brazilian Paraiba Tourmaline 0.056ct Loose Stone (CuO:2.1%, MnO:2.2%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.049ct loose
Sale price¥19,800
[On sale May 30th at 10 PM] Afghan Hackmanite, 0.093ct loose stone
Sale price¥16,800
[On sale May 31, 10 PM] Afghan Hackmanite 0.205ct Loose Stone
Sale price¥36,800
Greenland sapphire 0.592ct loose stone
Sale price¥18,800
Sphene 0.503ct loose stone
Sale price¥5,980
Tanzanian Kornerupine 0.303ct loose stone
Sale price¥6,980
German Awinite 0.056ct loose stone
Sale price¥22,800
![[On sale May 4th, 10 PM JST] Bicolor Benitoite from USA, 0.624 ct loose stone with鑑別書](http://store.karatz.jp/cdn/shop/files/P4146107_bde5edf5-3b59-499c-9f77-602154ca5a17.jpg?v=1777685262&width=2873)
![[On sale May 3rd at 10 PM] Afghan Kunzite (Lilac Pink) 49.724ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/12562635_003.jpg?v=1775723129&width=1200)
![[On sale May 3rd at 10 PM] Pink Diamond 0.137ct Loose (FANCY DEEP BROWNISH PINK, I-1)](http://store.karatz.jp/cdn/shop/files/32501866_02.jpg?v=1775722654&width=1200)
![[On Sale May 2 at 10 PM] Ruby 0.286ct Loose Gemstone with Identification Report](http://store.karatz.jp/cdn/shop/files/P2197889_4020ad31-fba6-4c2b-94c0-ba3f34311857.jpg?v=1774485888&width=2690)
![[On sale May 1st at 10 PM JST] Madagascar Bekily Blue Garnet (Color Change Garnet) 0.206ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_994e2367-6aea-46af-9195-62dbf7135f9f.png?v=1777436096&width=2250)
Zimbabwean Euclase 0.088ct loose stone
Sale price¥49,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
Mexican Fire Opal (faceted) 0.645ct Loose Stone
Sale price¥18,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.020ct Loose Stone
Sale price¥15,800
Loose 2.120ct Oregon Sunstone from the USA
Sale price¥18,800
Gray Diamond 0.107ct Loose (FANCY GRAY, I-1)
Sale price¥39,800
Nepalese bicolor kyanite 0.987ct loose stone
Sale price¥9,800
South African Rhodochrosite Loose Stone 0.749 ct
Sale price¥98,000
Tanzanian Kornerupine Cat's Eye 1.331ct Loose Stone
Sale price¥5,980
Brazilian Apatite in Jasper 1.477ct Loose Stone
Sale price¥5,980
Tanzanian Kornerupine Cat's Eye 0.986ct Loose Stone
Sale price¥5,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.529ct Loose Stone
Sale price¥6,980
Brazilian Dumortierite in Quartz 0.642ct Loose Stone
Sale price¥8,800
South African Rhodochrosite 1.820ct Loose Stone
Sale price¥128,000
Brazilian Medusa Quartz (Paraiba Quartz) 1.317ct loose
Sale price¥18,800
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥39,800
Rutilated Quartz (Rutilated Quartz) 9.721ct Loose (Sun Rutilated Quartz)
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.