Cushion cut
【4/26 22時販売】ブラウンダイヤモンド 0.290ctルース(FANCY BROWN, SI-2)
Sale price¥15,800
【4/24 22時販売】スペイン産スファレライト 6.392ctルース
Sale price¥79,800
【4/25 22時販売】パキスタン産ヴェイリネナイト 0.168ctルース
Sale price¥35,800
![[Listed on 32501876] Chameleon Diamond 0.079ct Loose (FANCY LIGHT GRAY GREEN, SI-1)](http://store.karatz.jp/cdn/shop/files/collage_249000fe-3f7f-4a2c-a9c6-2d9deacbfa13.png?v=1776907654&width=2250)
![[Sales start 10 PM on April 21] Sri Lankan Enstatite 1.877ct Loose Stone with Japan-Germany Gemological Report](http://store.karatz.jp/cdn/shop/files/P4146284_bd4ff5eb-17a4-4654-b322-3770b68c3d03.jpg?v=1777643194&width=4000)
Zimbabwean Blue Apatite (UV type) 1.061ct loose stone
Sale price¥11,000
Brazilian Medusa Quartz (Paraiba Quartz) 1.241ct Loose Stone
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.405ct Loose Stone
Sale price¥8,800
![[On sale April 5th at 10 PM] Nigerian cobalt garnite 0.095ct loose stone with certificate](http://store.karatz.jp/cdn/shop/files/P4023854_7ba169b5-ac20-4e40-9956-b43a35bfaa3d.jpg?v=1775346584&width=2533)
![[On sale at 10pm on 2/8] Zambian Bicolor Tourmaline 4.142ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093867_fc5ad345-27e9-4c73-8dc5-86a3a45ecd93.jpg?v=1770416677&width=3046)
[On sale at 10pm on 2/8] Zambian Bicolor Tourmaline 4.142ct Loose Stone
Sale price¥98,000
![[On Sale at 10 PM on 2/18] Tanzanite from Tanzania 0.343ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1273460_ec3c3d23-170d-4593-a001-1a9bbe3b9ed4.jpg?v=1771106958&width=2704)
![[On Sale 2/17 at 10pm] Pakistani Vanadium Sphene 0.759ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1305928.jpg?v=1771107171&width=4000)
[On Sale 2/17 at 10pm] Pakistani Vanadium Sphene 0.759ct Loose Stone
Sale price¥49,800
![[On Sale 2/17 at 10pm] 1.590ct Loose Oregon Sunstone from the USA](http://store.karatz.jp/cdn/shop/files/P1220867.jpg?v=1771105591&width=4000)
[On Sale 2/17 at 10pm] 1.590ct Loose Oregon Sunstone from the USA
Sale price¥15,800
![[On Sale at 10 PM on January 6th] Brazilian Indigolite Tourmaline 1.470ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PA306106.jpg?v=1767484287&width=4000)
Pakistani Lazurite (Azurite) 0.171ct Loose Stone
Sale price¥49,800
Brazilian green tourmaline 0.821ct loose stone
Sale price¥12,800
Brazilian green tourmaline 3.102ct loose stone
Sale price¥69,800
Zambian bicolor tourmaline 4.019ct loose stone
Sale price¥98,000
Green sapphire 0.607ct loose stone
Sale price¥12,800
![[On Sale at 10 PM on January 3rd] 1.547ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire)](http://store.karatz.jp/cdn/shop/files/PC240315_4091c662-36e7-4879-9811-fc79c07c9ceb.jpg?v=1767308181&width=2815)
Tanzanian Almandine Garnet 0.885ct Loose Stone
Sale price¥8,800
Zimbabwean Blue Apatite (UV type) 1.189ct loose stone
Sale price¥12,800
Oligoclase Sunstone 6.432ct Loose Stone
Sale price¥25,800
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
Brazilian Aquamarine 0.463ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.643ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.511ct Loose Stone
Sale price¥6,980
Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
Madagascar Apatite 1.125ct Loose Stone
Sale price¥8,800
Madagascar Apatite 0.961ct Loose Stone
Sale price¥6,980
Brazilian pink tourmaline 0.781ct loose stone
Sale price¥9,800
Myanmar bicolor podoretite 1.960ct loose stone
Sale price¥1,000,000
Myanmar Podretteite 0.407ct loose stone [Gemstone Encyclopedia]
Sale price¥128,000
Brazilian Pink Tourmaline 1.799ct Loose Stone
Sale price¥35,800
Spanish Sphalerite 6.494ct loose stone
Sale price¥69,800
Spanish bicolor sphalerite 5.289ct loose stone
Sale price¥59,800
Brazilian Pompon Quartz (Radiated Crystal in Quartz) 7.686ct Loose
Sale price¥15,800
Brazilian Green Tourmaline 2.907ct Loose Stone
Sale price¥98,000
Pakistani Veirinite 0.072ct loose stone
Sale price¥19,800
Pakistani Veirinite 0.107ct loose stone
Sale price¥29,800
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.