Brazilian Bicolor Imperial Topaz 0.981ct Loose Stone
Sale price¥79,800
Namibian Jeremejevite 0.245ct loose stone
Sale price¥79,800
Russian emerald 0.269ct loose stone
Sale price¥79,800
Brazilian Alexandrite 0.326ct Loose Stone
Sale price¥79,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.425ct loose
Sale price¥69,800
Aquamarine 15mm/10.190ct loose
Sale price¥69,800
Burmese red spinel 0.418ct loose
Sale price¥55,800
Cornflower blue sapphire 0.490ct loose stone
Sale price¥98,000
1.483ct blue sapphire loose stone
Sale price¥98,000
Salt and Pepper Diamond 5.2mm/0.863ct Loose (Cabochon Cut)
Sale price¥98,000
Camellia Cut Ethiopian Opal 5.083ct/14mm Loose
Sale price¥69,800
Afghanistan Oil-Free Emerald 0.100ct Loose GIA
Sale price¥98,000
0.060ct loose, oil-free emerald from Madagascar, GIA
Sale price¥69,800
[Sakura In-Cut] Spanish Andalusite 6.0mm/0.715ct Loose Stone
Sale price¥59,800
18K Yellow Gold Brazilian Alexandrite 0.087ct Pinky Ring
Sale price¥79,800
Alexandrite 0.272ct loose stone
Sale price¥59,800
Pakistani Veirinite 0.251ct Loose Stone with Certificate of Authenticity
Sale price¥55,800
Colombian Euclase from Colombia 4.869ct loose
Sale price¥55,800
Bicolor imperial topaz 1.725ct loose
Sale price¥79,800
South African green diamond rough (makeable) 0.298ct loose
Sale price¥69,800
Tanzanite 2.418ct loose
Sale price¥55,800
Dioptase from Namibia 3.2mm/0.123ct loose
Sale price¥59,800
K18 bicolor sapphire 0.129ct/blue sapphire ring
Sale price¥69,800
Black opal 2.293ct loose
Sale price¥98,000
Bicolor apatite 15.507ct loose
Sale price¥98,000
Cambodian Blue Zircon (Ratanakiri Blue) 2.607ct Loose Stone
Sale price¥59,800
Rhodochrosite from South Africa 5.2mm/0.645ct loose
Sale price¥55,800
Russian demantoid garnet (horsetail recognized) 4.5mm/0.423ct loose
Sale price¥69,800
Kunzite from Afghanistan 21.5mm/39.372ct loose stone
Sale price¥98,000
Pakistani Veirinite 0.206ct loose stone
Sale price¥55,800
Zimbabwe bicolor euclase 0.385ct loose stone
Sale price¥98,000
Tanzanian Lavender Tanzanite 2.219ct Loose Stone
Sale price¥55,800
American Benitoite 0.158ct loose stone
Sale price¥59,800
[Koshu Precious Stone Cutting] Mexican Fire Opal 1.571ct Loose Patch
Sale price¥69,800
Vietnam Pink Sapphire 1.690ct Loose GIA
Sale price¥98,000
Colombian emerald 0.202ct loose stone
Sale price¥59,800
German Awinite 3.5mm/0.158ct loose stone
Sale price¥98,000
Brazilian Paraiba tourmaline 0.171ct loose stone (CuO: 1.7%, MnO: 2.3%)
Sale price¥98,000
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.