1.841ct Loose Tanzanian Zircon with Certificate of Authenticity
Sale price¥18,800
Tanzanian Orange Zircon 1.305ct Loose Stone with Appraisal Report
Sale price¥13,800
Unheated Ruby, 0.207 ct, Loose Stone, Hōki Kyō
Sale price¥69,800
Zimbabwean Blue Apatite (UV Type) 0.650ct Loose
Sale price¥9,800
YAG (Yttrium Aluminum Garnet) 4.9mm/0.574ct loose stone
Sale price¥8,800
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800
Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Nigerian bicolor tourmaline 0.379ct loose stone
Sale price¥6,980
Tanzanian green sapphire 0.303ct loose stone
Sale price¥8,800
Sri Lankan cobalt spinel 0.281ct loose stone
Sale price¥55,800
Tanzania Purple Zoisite 0.863ct Rough Stone
Sale price¥7,980
Colombian mint color emerald 0.297ct loose stone
Sale price¥8,800
[12550887] Paraiba Tourmaline from Mozambique 0.784ct loose stone
Sale price¥128,000
Pakistani Oil in Quartz 0.438ct Loose Stone
Sale price¥6,980
Madagascar sapphire 0.448ct loose stone
Sale price¥15,800
Sri Lankan Silky Sapphire 5.1mm/0.488ct Rose Cut Loose Gemstone
Sale price¥7,980
Rough diamond (sawable) from Russia, 0.148ct rough diamond (trigon)
Sale price¥49,800
Euclase from Zimbabwe 0.183ct Loose Stone with Certificate
Sale price¥35,800
Zimbabwe Euclase 3.4mm/0.206ct Loose Stone with Certificate
Sale price¥29,800
Diamond (cabochon cut) 0.206ct loose
Sale price¥45,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥12,800
Namibian Jeremejevite 0.501ct loose stone (bicolor)
Sale price¥89,800
Sky blue topaz 1.719ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.862ct Loose Stone
Sale price¥12,800
Vietnam Aquamarine 0.398ct Loose
Sale price¥5,980
Vietnam Aquamarine 0.494ct Loose Stone
Sale price¥8,800
Brazilian Blue Tourmaline 0.196ct Loose
Sale price¥6,980
Brazilian Bicolor Tourmaline 7.2mm/1.326ct Loose Stone
Sale price¥18,800
Namibian Green Tourmaline 7.0mm/1.206ct Loose Stone (Lagoon Tourmaline)
Sale price¥59,800
Morganite 0.379ct loose stone
Sale price¥7,980
Royal Blue Sapphire 0.730ct Loose AIGS
Sale price¥158,000
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Zimbabwean rough green diamond (sawable) 0.228ct rough (trigon)
Sale price¥79,800
0.183ct Trapiche Emerald Loose Stone from Colombia
Sale price¥39,800
0.938 ct Tanzanian Almandine Garnet Loose Stone
Sale price¥12,800
Synthetic Alexandrite 1.076ct Loose Stone
Sale price¥25,800
Myanmar red spinel 3.3mm/0.172ct loose
Sale price¥8,800
Burmese Red Spinel 3.5mm/0.214ct Loose Stone
Sale price¥9,800
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.