![[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)
![[Sales Start: May 3rd, 10 PM JST] [Colorflee] Pt900 Lab-Grown Ruby 1.61ct / Diamond 0.25ct Ring (Central Gem Lab Certified)](http://store.karatz.jp/cdn/shop/files/P4280341_b8b31c08-1f05-484d-96e2-43692e4a6934.jpg?v=1777643817&width=2444)
Ruby 0.528ct Loose Stone with Gem Identification Report
Sale price¥28,800
Brazilian Mica in Rose Quartz Loose Stone 3.245ct
Sale price¥5,980
Brazilian Mica in Rose Quartz 8.773ct Loose Stone
Sale price¥9,800
Brazilian Mica in Rose Quartz Cabochon, 8.477ct
Sale price¥11,000
Burmese ruby 3.72ct loose GIA/CGL
Sale price¥298,000
Rhodochrosite from Detroit City, USA 3.1mm/0.154ct loose stone
Sale price¥19,800
Rhodochrosite from Detroit City, USA 3.2mm/0.150ct loose stone
Sale price¥19,800
Tanzanian Rhodolite Garnet 5.9mm/1.084ct Loose
Sale price¥12,800
![[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)
Finnish Labradorite 56.209ct Loose Gemstone
Sale price¥16,800
Tanzanian Rhodolite Garnet 0.609ct Loose Gemstone
Sale price¥8,800
Brazilian Rubellite 0.340ct Loose Stone with Appraisal
Sale price¥25,800
Mozambican Rhodolite Garnet 1.890ct Loose Stone
Sale price¥18,800
South African Rhodochrosite Loose Stone 0.749 ct
Sale price¥98,000
18K Yellow Gold Ruby Ring (Pigeon Blood Color)
Sale price¥128,000
South African rhodochrosite 2.477ct loose Japanese-German edition
Sale price¥398,000
Brazilian Lazulite 0.067ct Loose with certificate
Sale price¥39,800
Brazilian Lazulite 0.035ct Loose Stone with Certificate
Sale price¥24,800
South African Rhodochrosite 1.820ct Loose Stone
Sale price¥128,000
Rutilated Quartz (Rutile Quartz) 7.440ct Loose (Sun Rutilated Quartz)
Sale price¥18,800
Rutilated Quartz (Rutilated Quartz) 9.721ct Loose (Sun Rutilated Quartz)
Sale price¥25,800
American red beryl 0.184ct loose
Sale price¥39,800
Unheated Pigeon Blood Ruby 0.380ct Loose Stone AIGS
Sale price¥79,800
Copper rutilated quartz 1.135ct loose
Sale price¥5,980
Copper rutilated quartz 1.165ct loose
Sale price¥5,980
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.