![[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)
![[Sale May 3rd, 10 PM] [Colorful] Pt900 Diamond 0.5ct Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/collage_df3cb11b-0df3-4814-8f71-b19810da427c.png?v=1777681819&width=2250)
[Calafuri] K18WG Yellow Sapphire 0.05ct Pendant Top (Necklace Top)
Sale price¥79,800
Ruby 0.528ct Loose Stone with Gem Identification Report
Sale price¥28,800
[On Sale May 14th at 10 PM] Colombian Emerald 0.689ct Loose Stone
Sale price¥18,800
[Sale on 5/5 at 10 PM] Brazilian Dendritic Agate 7.063ct Loose Stone
Sale price¥3,980
Brazilian Indicolite Tourmaline 0.352ct Loose Stone with Certification
Sale price¥29,800
![[On Sale 5/2 at 10 PM JST] Mozambique Almandine Garnet 17.770ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P4280440_439047ed-a834-4be6-9f39-a571d776b5a4.jpg?v=1777642230&width=3296)
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
Madagascar Bekily Blue Garnet (Color Change Garnet) 0.257ct Loose Stone
Sale price¥25,800
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Oregon Sunstone 0.272ct Loose
Sale price¥6,980
Zimbabwean Euclase 0.058ct loose stone
Sale price¥29,800
Zimbabwean Euclase 0.088ct loose stone
Sale price¥49,800
Benitoite 0.231ct loose
Sale price¥220,000
Benitoite 0.286ct loose
Sale price¥258,000
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
K18/Pt950 Afghanistan Green Apatite 0.162ct Ring
Sale price¥158,000
Oregon Sunstone 0.575ct loose
Sale price¥9,800
Lavender quartz (scorolite) 1.130ct loose stone
Sale price¥5,980
Lavender quartz (scorolite) 2.181ct loose stone
Sale price¥8,800
Lavender quartz (scorolite) 2.740ct loose stone
Sale price¥8,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥7,980
South African Sugilite 7.3mm/1.034ct loose stone
Sale price¥14,800
South African Sugilite 0.814ct loose stone
Sale price¥12,800
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.