Colombian emerald 0.345ct loose stone (silky type)
Sale price¥15,800
Brazilian Imperial Topaz 0.413ct Loose Stone
Sale price¥9,800
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥9,800
Lepidocrocite in quartz 0.308ct loose
Sale price¥6,980
Violet spinel 0.472ct loose
Sale price¥8,800
Yellow tourmaline 0.277ct loose
Sale price¥6,980
0.308ct Unset Yellow Sapphire (Sri Lankan)
Sale price¥13,800
![[On sale May 2nd at 10 PM] Lazurite from Pakistan 0.150ct Loose Stone with Certificate](http://store.karatz.jp/cdn/shop/files/P4232123_3bbf38cd-fb20-498e-bfa3-32002525eaa3.jpg?v=1777642989&width=2451)
Afghanite 0.447ct loose stone from Afghanistan, Japan-Germany
Sale price¥5,980
Benitoite from the USA, 3.4mm/0.175ct loose
Sale price¥98,000
Ceylon Blue Sapphire (Ice Blue) 0.289ct Loose
Sale price¥9,800
Brazilian Paraiba Tourmaline In Quartz 0.50mm/.313ct Loose
Sale price¥15,800
Unheated Brazilian Paraiba tourmaline 0.110ct loose AIGS
Sale price¥258,000
Pink Diamond 2.1mm/0.034ct Loose (FANCY PURPLE PINK, I-1)
Sale price¥34,800
American Benitoite 0.242ct Loose
Sale price¥158,000
Iolite Sunstone from India 0.472ct Loose Gemstone
Sale price¥5,980
Pink Diamond (Treated) 0.095ct Loose (FANCY VIVID PURPLISH PINK, SI1)
Sale price¥26,800
Pink Diamond 0.074ct Loose (FANCY LIGHT PURPLE PINK, I-1)
Sale price¥39,800
0.079ct Loose Brazilian Paraiba Tourmaline (CuO: 1.6% MnO: 2.8%)
Sale price¥29,800
Paraiba Tourmaline Loose Stone from Brazil 0.068ct (CuO: 1.1% MnO: 0.1%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.2% MnO:1.2%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:1.4% MnO:1.1%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.051ct Loose Stone (CuO:1.1% MnO:0.6%)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.048ct (CuO:1.5% MnO:1.0%)
Sale price¥35,800
Indonesian Parasitic Peridot 0.276ct Loose Stone
Sale price¥98,000
Colombian emerald with pyrite 0.248ct rough stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥3,980
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥15,800
Bicolor Grossular Garnet from Kenya (Bicolor Tsavorite) 0.496ct Loose
Sale price¥14,800
Untreated Brazilian green tourmaline, 0.456 ct, loose (teal color)
Sale price¥13,800
[12560352] Zimbabwean Euclase 0.397ct Loose Stone
Sale price¥98,000
Russian Demantoid Garnet (Horsetail) 2.9mm/0.194ct Loose Stone
Sale price¥22,800
Green tourmaline 0.457ct loose stone
Sale price¥8,800
[12551250] Brazilian oil-free emerald 0.120ct loose stone
Sale price¥110,000
Oregon Sunstone 0.217ct loose
Sale price¥4,980
Oregon Sunstone 0.226ct loose
Sale price¥4,980
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.