Birthstone list
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
Burmese ruby 3.72ct loose GIA/CGL
Sale price¥298,000
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Yellow sapphire 0.229ct loose stone
Sale price¥8,800
Sapphire 0.461ct loose stone
Sale price¥12,800
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥12,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥6,980
Colombian emerald 0.345ct loose stone (silky type)
Sale price¥15,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
Ethiopian Opal 2.131ct Loose
Sale price¥9,800
Ethiopian Opal 1.694ct Loose
Sale price¥7,980
Brazilian Imperial Topaz 0.413ct Loose Stone
Sale price¥9,800
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥9,800
Mexican Fire Opal 0.290ct Loose (Faceted Cut)
Sale price¥6,980
Yellow tourmaline 0.277ct loose
Sale price¥6,980
Green tourmaline 0.559ct loose
Sale price¥6,980
Pink tourmaline 0.632ct loose
Sale price¥9,800
Pink tourmaline 1.575ct loose
Sale price¥12,800
Mexican Hyalite Opal 0.774ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Fire Opal (faceted) 0.645ct Loose Stone
Sale price¥18,800
GGG (Gadolinium Gallium Garnet) 3.046ct Loose Stone
Sale price¥18,800
Tanzanian Rhodolite Garnet 5.9mm/1.084ct Loose
Sale price¥12,800
0.308ct Unset Yellow Sapphire (Sri Lankan)
Sale price¥13,800
[On sale at 10 PM on May 2nd] Mexican Cantera Opal 32.560ct Loose Stone
Sale price¥29,800
[On sale May 2nd at 10 PM JST] Mexican Cantera Opal 27.410ct Loose Stone
Sale price¥25,800
Brazilian Bicolor Tourmaline 0.780ct Loose
Sale price¥12,800
【Karafuri】Pt900 Cantera Opal 7.809ct and Diamond 0.19ct Pendant Top
Sale price¥110,000
![[Karafuri] Pt900 Diamond 1.00ct Ring](http://store.karatz.jp/cdn/shop/files/P4150110_a7f7b5d5-599f-4b3c-bb4c-22e47a011c3f.jpg?v=1776343341&width=4000)
[Karafuri] Pt900 Diamond 1.00ct Ring
Sale price¥98,000
Gray Diamond, 2.9mm/0.096ct Loose (VERY LIGHT GRAY, SI-1)
Sale price¥15,800
Gray Diamond 2.8mm/0.089ct Loose (LIGHT GRAY, SI-2)
Sale price¥16,800
Mexican Cantera Opal 10.379ct Loose Stone
Sale price¥39,800
Mexican Cantera Opal 7.619 ct Loose Stone
Sale price¥25,800
Mexican Cantera Opal 5.410 ct Loose Stone
Sale price¥9,800
[On sale May 6th at 10 PM JST] Mexican Cantera Opal Loose Stone 7.207ct
Sale price¥25,800
Mexican Cantera Opal 3.051ct Loose Stone
Sale price¥18,800
Mexican Cantera Opal 1.867 ct Loose Stone
Sale price¥12,800
Brown Diamond 6.5mm/0.989ct Loose Stone (FANCY DARK ORANGE BROWN, SI-2)
Sale price¥98,000
K18 Turquoise Ring
Sale price¥45,800
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.