Cornel pin cat's eye 0.513ct loose
Sale price¥6,980
Cornel pin cat's eye 0.872ct loose
Sale price¥6,980
Tanzanite 1.360ct loose stone
Sale price¥49,800
Diamond 0.348ct loose (I, SI1)
Sale price¥59,800
Cantera opal 17.221ct loose
Sale price¥25,800
Sea blue chalcedony 6.964ct loose
Sale price¥7,980
Diamond loose sorting transition fee
Sale price¥3,000
Scapolite Cat's Eye 8.880ct Loose
Sale price¥8,800
![[Jeweler's Tools] 2-piece loose tweezers set with stopper (for small jewelry)](http://store.karatz.jp/cdn/shop/products/P61587851.jpg?v=1655341623&width=4000)
Diamond loose/certificate transfer fee
Sale price¥6,600
![[Jeweler's Tools] Color change penlight loose set](http://store.karatz.jp/cdn/shop/files/P1010673_2976de1d-08ce-4d92-94af-524da4485c99.jpg?v=1725605083&width=4000)
[Jeweler's Tools] Color change penlight loose set
Sale price¥4,980
Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2)
Sale price¥39,800
![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/P4130575.jpg?v=1776126091&width=4000)
![[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery](http://store.karatz.jp/cdn/shop/files/collage_c90ad5e1-b47a-49f9-b7d7-d75e04cd883a.png?v=1724920180&width=2000)
![[Jeweler's Tools] White penlight (for loose), loose 3-piece set](http://store.karatz.jp/cdn/shop/files/P1010939_d2032b55-e8e4-4e38-a15d-14d2ee8092f5.jpg?v=1776421761&width=4000)
[Jeweler's Tools] White penlight (for loose), loose 3-piece set
Sale price¥5,980
Tanzania Bicolor Zoisite 4.7mm/0.486ct Loose Stone
Sale price¥9,800
Tanzanite from Tanzania 0.245ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.295ct Loose Stone
Sale price¥7,980
Australian black opal 3.242ct loose stone
Sale price¥59,800
Synthetic Moissanite 0.634ct loose stone
Sale price¥9,800
Almandine Garnet 1.471ct Loose Stone
Sale price¥14,800
Almandine Garnet 1.388ct Loose Stone
Sale price¥11,800
Almandine Garnet 1.988ct Loose Stone
Sale price¥16,800
Blue sapphire 0.287ct loose
Sale price¥12,800
Brazilian Paraiba Tourmaline 0.060ct Loose (CuO:1.6%, MnO:2.3%)
Sale price¥42,800
Oregon Sunstone 0.713ct loose
Sale price¥4,980
![[Lottery Sale 0530_03] Internally Flawless Diamond 4.2mm/0.272ct Loose (D, IF, 3Excellent H&C) GIA](http://store.karatz.jp/cdn/shop/files/3_f6c73c1b-d7e2-482b-a5e2-afdee14010e4.png?v=1780016029&width=1000)
![[Lottery Sale 0530_02] Internally Flawless Diamond 3.8mm/0.217ct Loose Stone (D, IF, 3Excellent H&C) GIA](http://store.karatz.jp/cdn/shop/files/2_2adf4222-cfbe-45f7-9ce0-5d6c245a1ecd.png?v=1780015876&width=4000)
[Lottery Sale 0620_06] Boké Coral (Kochi Prefecture) 6.735ct Loose
Sale price¥39,800
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.