![[On sale November 8th at 10pm] Limited to 7 stones: One loose Indian iolite sunstone (custom cut by Sanjay) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_9489ef58-06e2-4a71-886b-462d8b67ca0d.png?v=1762564474&width=2250)
![[On sale November 8th at 10pm] Limited to 9 stones: Carving Gacha (Opal, Tourmaline, Tsavorite Garnet) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_3c1f4b82-5dc0-4183-a4c0-c9d7900fd6ab.png?v=1762565061&width=2250)
【11/24 22時販売】《限定12石》VS相当蛍光ダイヤモンドガチャ・ミニスライスダイヤモンドのおまけ付《複数購入割引有》
Sale price¥6,980
【11/24 22時販売】《限定7石》スリランカ産スターサファイア1石ルース《複数購入割引有》
Sale price¥3,980
![[On sale November 16th at 10pm] [Limited to 32 stones] Namibian Mandarin Garnet Loose Stone (Round Cut, 2.5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130022.jpg?v=1763179441&width=4000)
![[On sale at 10 PM on November 15th] Limited to 9 stones: One rough petalite stone from Myanmar (average 6.0 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130145.jpg?v=1763171751&width=4000)
![[On sale November 15th at 10 PM] [Limited to 7 stones] One loose colorless apatite from Madagascar (all stones come with a certificate of authenticity, average 0.60 carat) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130098_64bd5f6d-3d76-4a2e-aa75-fb4deecc1091.jpg?v=1763171530&width=4000)
![[Available at 10 PM on November 15th] Limited Quantity: Single Rough Neon Blue Apatite from Madagascar (Average 2.2 carats) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/PB130064.jpg?v=1763170621&width=4000)
[Rouge cut] Almandine garnet 2.090ct loose
Sale price¥8,800
[Rouge cut] Almandine garnet 2.076ct loose
Sale price¥8,800
Australian opal 0.286ct loose
Sale price¥5,980
Blue zircon 0.397ct loose stone
Sale price¥6,980
Blue zircon 0.322ct loose stone
Sale price¥5,980
Oregon Sunstone 0.976ct loose
Sale price¥18,800
Amazon green opal 1.120ct loose
Sale price¥3,980
YAG (Yttrium Aluminum Garnet) 7mm/1.775ct Loose Stone
Sale price¥9,800
Dioptase from Namibia 0.229ct loose Japanese-German book
Sale price¥69,800
Bicolor Andesine 6mm/0.756ct loose
Sale price¥12,800
Pink spinel 0.409ct loose
Sale price¥6,980
Brazilian Rhodonite 2.126ct Ruth Japanese-German Edition
Sale price¥79,800
【11/30 22時販売】ブラジル産インディゴライトトルマリン 0.431ctルース 鑑別書
Sale price¥29,800
Australian boulder opal 3.695ct loose
Sale price¥14,800
Australian boulder opal 2.470ct loose
Sale price¥7,980
Dioptase from Namibia 3.3mm/0.162ct loose Japanese-German edition
Sale price¥79,800
Pink tourmaline 0.516ct loose
Sale price¥5,980
Myanmar trapichel ruby 0.179ct rough stone
Sale price¥3,980
Myanmar trapichel ruby 0.160ct rough stone
Sale price¥4,980
Sri Lankan star sapphire 2.094ct loose
Sale price¥12,800
American red beryl 2.9mm/0.094ct loose
Sale price¥29,800
[On Sale 11/23 10pm] 4.678ct Oregon Sunstone Loose Stone from the USA
Sale price¥69,800
Bicolor Andesine 6mm/0.852ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.824ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.699ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.783ct loose (color shift)
Sale price¥12,800
Sri Lankan star sapphire 1.487ct loose
Sale price¥8,800
Aventurine Aquamarine Cat's Eye 1.567ct Loose
Sale price¥4,980
Scapolite Cat's Eye 9.733ct Loose
Sale price¥6,980
Quartz 96.732ct loose (explosion crystal)
Sale price¥2,980
Russian demantoid garnet (horsetail recognized) 5.2mm/0.702ct loose
Sale price¥158,000
Hemimorphite 34.490ct loose
Sale price¥55,800
Oregon Sunstone 1.333ct Loose
Sale price¥8,800
Colombian pyrite in emerald 4.592ct loose
Sale price¥110,000
Cambodian blue zircon (Ratanakiri blue) 2.143ct loose
Sale price¥29,800
Green sapphire 0.518ct loose (teal green)
Sale price¥8,800
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.