![[On sale at 10 PM on November 15th] Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130286.jpg?v=1763173719&width=4000)
![[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)
![[Sales start November 2nd at 10 PM] [Limited to 10 stones] Tanzanite rough gacha including bicolor pink tanzanite rough (average 4.2 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_5799e77a-97c8-4d6c-b77b-dec5271cc0a0.png?v=1762053625&width=2250)
![[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 November 3rd at 10pm] [Limited to 14 stones] One loose Russian oil-free emerald (2.1mm, square cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010751_b01a2802-d699-455c-a4e7-3df36f637eb8.jpg?v=1762075075&width=4000)
【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
Sri Lankan star sapphire 1.487ct loose
Sale price¥8,800
Scapolite Cat's Eye 9.733ct Loose
Sale price¥6,980
Oregon Sunstone 1.333ct Loose
Sale price¥8,800
Green sapphire 0.518ct loose (teal green)
Sale price¥8,800
Unheated silky pink sapphire from Vietnam 0.426ct loose
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.099ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.074ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.108ct loose
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.084ct loose
Sale price¥8,800
![[12561384] Tanzanian Almandine Garnet 0.656ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PB141079.jpg?v=1763981336&width=4000)
[12561384] Tanzanian Almandine Garnet 0.656ct Loose Stone
Sale price¥8,800
![[12561374] Indian Iolite Sunstone 0.540ct Loose](http://store.karatz.jp/cdn/shop/files/PB141782.jpg?v=1764073310&width=4000)
[12561374] Indian Iolite Sunstone 0.540ct Loose
Sale price¥8,800
[11/18 22:00 Sale] Australian Prehnite 1.705ct Loose Stone
Sale price¥9,800
[11/18 22:00 Sale] Australian Prehnite 1.691ct Loose Stone
Sale price¥9,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Hot Pink Spinel 0.203ct Loose (Mahenge Spinel)
Sale price¥8,800
Pink sapphire from Mozambique 0.213ct loose (hot pink sapphire)
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.094ct loose
Sale price¥9,800
GGG (Gadolium Gallium Garnet) 0.675ct Loose Stone
Sale price¥8,800
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
![[On sale November 8th at 10pm] Limited to 8 stones: Synthetic Alexandrite Loose Stone (Custom cut by Mr. Sanjay, Shield cut, Octagonal cut, etc.) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_f39b4280-e930-40c9-acc6-afe7cbefab9e.png?v=1762563420&width=2250)
Yellow sapphire from Madagascar 0.232ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥6,980
Madagascar sapphire 0.205ct loose
Sale price¥7,980
[11/9 22:00 Sale] Ethiopian Sunstone 0.505ct Loose
Sale price¥8,800
Tibetan Andesine 2.769ct Loose Stone
Sale price¥9,800
Tibetan Andesine 1.387ct Loose Stone
Sale price¥7,980
[11/22 22:00] Tanzanian Rhodolite Garnet 0.843ct Loose Stone
Sale price¥9,800
Green sapphire from Madagascar 0.199ct loose
Sale price¥6,980
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥6,980
Brazilian blue tourmaline 0.376ct loose
Sale price¥7,980
Dendritic quartz 7.997ct loose
Sale price¥6,980
![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/PC260749.jpg?v=1703598428&width=4000)
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.