![[On Sale 10/12 at 10 PM] [Limited to 15 stones] One loose, unheated silky pink sapphire from Vietnam (2.5mm, round cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010261_a395415b-ed3a-4054-93e9-3ef1eec4d810.jpg?v=1757670251&width=4000)
![[On Sale at 10 PM on October 12th] Limited to 14 stones: One loose hot pink sapphire from Mozambique (pear-shaped, approximately 4 x 3 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010380_b8f4e8df-e135-458b-8f10-fc4f411d34e2.jpg?v=1760236878&width=4000)
【11/3 22時販売】ミャンマー産バイカラースターサファイア 0.640ctルース
Sale price¥45,800
Sri Lankan blue sapphire 0.555ct loose stone
Sale price¥29,800
Sri Lankan blue sapphire 0.187ct loose stone
Sale price¥29,800
Tanzanian Sunstone 0.980ct Loose Stone
Sale price¥9,800
Tanzanian Sunstone 0.807ct Loose Stone
Sale price¥8,800
Tanzanian Zoisite 0.473ct Loose Stone
Sale price¥9,800
[12559917] Sunstone 1.355ct Loose
Sale price¥8,800
[12559916] Tanzanian Sunstone (Illusion Sunstone) 0.777ct Loose Stone
Sale price¥12,800
Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
[12559763] Zimbabwean sphene 0.400ct loose stone
Sale price¥9,800
[11/1 22:00 Sale] Sri Lankan saffron 0.738ct loose stone
Sale price¥98,000
[On Sale 11/1 at 10pm] Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
Tanzanian Zoisite 0.684ct Loose Stone
Sale price¥19,800
[On Sale at 10pm on 10/28] Brazilian Citrine 1.659ct Loose Stone
Sale price¥9,800
[On Sale at 10pm on 10/28] Brazilian Citrine 1.644ct Loose Stone
Sale price¥9,800
[10/31 22:00 Sale] Sri Lankan Purple Spinel 1.060ct Loose
Sale price¥98,000
[11/1 22:00 Sale] Tanzanian Spessartine Garnet 0.383ct Loose Stone
Sale price¥12,800
![[12558204] Oregon Sunstone from the United States, 0.478ct Loose](http://store.karatz.jp/cdn/shop/files/PA231077.jpg?v=1762157407&width=4000)
[12558204] Oregon Sunstone from the United States, 0.478ct Loose
Sale price¥8,800
![[12559382] 0.176ct loose gemstone from Namibia](http://store.karatz.jp/cdn/shop/files/PA211098.jpg?v=1762155464&width=4000)
[12559382] 0.176ct loose gemstone from Namibia
Sale price¥39,800
![[Lottery Sales Page] Adult Sebon Star 3rd Edition Charmy Premium Model <Royal Blue Sapphire> (Sales Price: 1,580,000 yen)](http://store.karatz.jp/cdn/shop/files/P8072527.jpg?v=1761093998&width=4000)
Sunstone (Illusion Sunstone) 0.844ct Loose
Sale price¥8,800
Sunstone (Illusion Sunstone) 0.895ct loose stone
Sale price¥8,800
Sri Lankan star sapphire 1.323ct loose
Sale price¥3,980
Sri Lankan star sapphire 1.061ct loose
Sale price¥3,980
Orange zircon 0.453ct loose
Sale price¥3,980
Pink zircon 0.508ct loose
Sale price¥6,980
Zircon 0.414ct loose
Sale price¥3,980
Oregon Sunstone from the United States 2.731ct loose stone
Sale price¥29,800
Color change sapphire 0.283ct loose
Sale price¥3,980
Color change sapphire 0.401ct loose
Sale price¥3,980
Zoisite 1.219ct loose stone
Sale price¥15,800
![[On Sale 10/19 at 10 PM] [Limited to 10 stones] Spinel Gacha Loose Stone, Including 1.17ct Bicolor Spinel [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/PA170079.jpg?v=1760746140&width=4000)
[On Sale at 10pm on 10/22] Indian Iolite Sunstone 0.228ct Loose
Sale price¥6,980
[On Sale at 10pm on 10/22] Indian Iolite Sunstone 0.321ct Loose
Sale price¥8,800
![[Available at 10:00 PM on October 12th] Limited Quantity: Myanmar Gray Spinel/Platinum Spinel (2.0mm, Round Cut) Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/collage_231273fd-13cc-4e42-8137-21a4a7b68f97.png?v=1743813632&width=4000)
![[Available at 10:00 PM on October 12th] "Purple Sun" Ice Blue Sapphire, Amethyst, Bekiri Blue Garnet, and Tanzanite 13-Stone Half Eternity Ring Set (2.0mm)](http://store.karatz.jp/cdn/shop/files/collage_4817d101-289e-499a-a1ca-24bbaf1ded7c.png?v=1760146246&width=2250)
[10/12 22:00 Sale] Unheated Royal Blue Sapphire 0.640ct Loose AIGS
Sale price¥158,000
[10/12 22:00 Sale] Sri Lankan Star Sapphire 1.093ct Loose
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.