[Available 9/21 at 10 PM] Madagascar Iolite 0.870ct Loose Gemstone
Sale price¥9,800
[Available 9/27 at 10 PM] Brazilian Bicolor Topaz 1.932ct Loose Stone
Sale price¥19,800
Czech Aragonite 8.0mm/2.082ct Loose Stone
Sale price¥59,800
Brazilian Rubellite 3.845ct loose stone
Sale price¥158,000
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥45,800
Spanish Sphalerite 8mm/2.796ct loose stone
Sale price¥69,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥29,800
Brazilian Rubellite 1.027ct Loose Stone
Sale price¥69,800
Namibian Jeremejevite 0.158ct loose stone
Sale price¥29,800
Namibian Jeremejevite 0.405ct loose stone
Sale price¥79,800
Namibian Jeremejevite 0.394ct loose stone
Sale price¥79,800
Mozambique rubellite 2.752ct loose stone
Sale price¥69,800
Mozambique Rubellite 2.141ct Loose Stone
Sale price¥69,800
Colombian emerald 0.231ct loose stone
Sale price¥25,800
Japanese style twin crystal 5.771ct raw stone
Sale price¥15,800
Japanese style twin crystal 4.715ct raw stone
Sale price¥9,800
Japanese style twin crystal 3.472ct raw stone
Sale price¥7,980
Madagascar sphene 0.665ct loose stone
Sale price¥9,800
Pakistani Oil in Quartz 0.283ct Loose Stone
Sale price¥6,980
Pakistani Oil in Quartz 0.328ct Loose Stone
Sale price¥7,980
Afghan Kunzite 0.799ct Loose Gemstone
Sale price¥6,980
Tanzanian Zoisite 1.000ct Loose Stone
Sale price¥18,800
Tanzania Bicolor Zoisite 0.645ct Loose Stone
Sale price¥11,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.551ct Loose Stone
Sale price¥15,800
American Herkimer Diamond 5.6mm/0.516ct Loose
Sale price¥8,800
Sri Lankan glass body (sapphire crystal) 7.983ct rough stone
Sale price¥19,800
Sri Lankan glass body (sapphire crystal) 9.933ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 10.140ct rough stone
Sale price¥22,800
YAG (Yttrium Aluminum Garnet) 7mm/1.686ct Loose Stone
Sale price¥12,800
Almandine garnet 2.421ct loose
Sale price¥16,800
Namibian Dioptase 0.134ct Loose Stone, Japan-Germany Mirror
Sale price¥49,800
3.324ct Tanzanian Purple Zoisite Rough Stone
Sale price¥5,980
Tanzania Bicolor Zoisite 1.608ct Rough Stone
Sale price¥8,800
Russian demantoid garnet (horsetail recognized) 5.5mm/0.710ct loose
Sale price¥188,000
![[202608GIA Appraisal Request] [Sale on June 5th at 10 PM] Russian Demantoid Garnet (with horsetail inclusion) 5.8mm/0.876ct Loose Stone with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P4221452_2caaa8e8-594d-45b2-87f6-54d9636c03d0.jpg?v=1789271560&width=3537)
Russian Demantoid Garnet (Horsetail Recognized) 5.1mm/0.664ct Loose Stone
Sale price¥228,000
Russian demantoid garnet (horsetail recognized) 5.3mm/0.692ct loose
Sale price¥158,000
![[202608GIA Appraisal Request] Russian Demantoid Garnet (horsetail inclusion confirmed) 5.2mm/0.661ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2070165_1.jpg?v=1789270658&width=3441)
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.