![[7/18 10 PM JST Release] Windsor Sapphire Gacha (1 of 14 Limited Stones) (Bicolor, Silky, Color Change, Avg. 0.30ct) (Multi-purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/collage_52e4b5c0-2a5f-4509-9176-abffa097c791.png?v=1784246994&width=3000)
![[On sale July 4th at 10 PM] "Hong Kong Procurement - Limited to 24 Stones" Vibrant Lazurite Loose Stones from Pakistan "Bulk Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/P1010671_e5c5bd0f-9b6d-40cf-90e8-d1209b6519d6.jpg?v=1782876066&width=4000)
![[On sale July 12th at 10 PM] "Limited to 15 Stones" All stones with GIA certificate. Madagascar Grandidierite 1 stone loose (average 0.065ct) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/collage_efaaa09c-4887-4d33-aeac-cd0ee5d3debd.png?v=1783774249&width=3000)
![[Available July 15 at 10 PM] Limited to 6 Stones: Rainbow Aquamarine Single Stone Loose (average 0.7ct) [Multi-Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/collage_5dff6ef8-31bd-43db-abb0-1573e37d6311.png?v=1783918927&width=3000)
![[On sale July 4th at 10 PM] "Hong Kong Procurement - Limited to 24 Stones" Vibrant Lazurite Loose Stones from Pakistan "Bulk Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/P1010376_ea96be74-3aef-4ade-a1cd-90681fe55119.jpg?v=1782974052&width=4000)
![[Sale 6/] 10:00 PM - Limited 11 Stones - Sri Lankan Pink Sapphire (Emerald Cut) Average 0.73ct (Multiple Purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/P1010204_800476e9-3987-42e0-833b-3b54f7c615fd.jpg?v=1782733799&width=4000)
![[On sale July 24 at 10 PM] Limited to 5 stones: Moonstone from Madiyagoda, Sri Lanka (June birthstone, oval buff top cut, 5.0x4.0mm), 1 loose stone. (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/collage_0c9ec17a-a7f0-41f2-8f40-1dca2677abfc.png?v=1784701731&width=3000)
![[Limited to 24 stones] Oregon Sunstone from America with beautiful Schiller (Oval cut, 5 x 7mm) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/collage_50cccb1a-7282-4487-ae6d-b6447e9885ee.png?v=1785119892&width=3000)
Goshenite 0.846ct loose stone
Sale price¥7,980
【7/27 22時販売】ブラジル産カラーチェンジフローライト 1.099ctルース
Sale price¥9,800
【7/27 22時販売】奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 3.5mm/0.240ctルース
Sale price¥8,800
【7/27 22時販売】奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 3.8mm/0.336ctルース
Sale price¥9,800
【7/24 22時販売】奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 3.9mm/0.378ctルース（ローズカット）
Sale price¥9,800
【7/26 22時販売】マダガスカル産アパタイト 0.608ctルース
Sale price¥8,800
【7/26 22時販売】高知県産血赤珊瑚 1.439ctルース
Sale price¥9,800
【7/26 22時販売】高知県産血赤珊瑚 0.978ctルース
Sale price¥9,800
【7/26 22時販売】高知県産血赤珊瑚 1.128ctルース
Sale price¥9,800
【7/28 22時販売】高知県産血赤珊瑚 1.238ctルース
Sale price¥9,800
【7/28 22時販売】高知県産血赤珊瑚 1.286ctルース
Sale price¥9,800
【7/26 22時販売】高知県産血赤珊瑚 1.321ctルース
Sale price¥9,800
0.522ct bicolor sapphire loose stone from Madagascar
Sale price¥6,980
![[On sale July 24 at 10 PM] Limited to 5 stones: Andesine-Labradorite (Rainbow Moonstone) from Balangoda, Sri Lanka (Pear Shape Buff Top Cut, 5.0x3.0mm) - 1 Loose Stone (Multi-purchase discount available)](http://store.karatz.jp/cdn/shop/files/collage_81278a10-2271-47ca-aa76-74cf03ec312c.png?v=1784701906&width=3000)
![[Sales begin July 24 at 10 PM] Limited 5 Stones: Moonstone from Mitiyagoda, Sri Lanka (June Birthstone, Round Buff-Top Cut, 4.0mm) - 1 Loose Stone [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/collage_f0bd4330-0217-47fd-88f4-e6604c1c4eae.png?v=1784701179&width=3000)
![[On sale July 20th at 10 PM JST] Tanzanian Pink Spinel (approx. 3x4mm, oval cut) - Limited to 12 stones. Multiple purchase discount available.](http://store.karatz.jp/cdn/shop/files/P1010256_aecf3805-de02-4de7-aa94-5e5208ca43d2.jpg?v=1783911756&width=4000)
[On sale 7/14 at 10 PM JST] Malawi Moonstone 1.948ct Loose Gemstone
Sale price¥8,800
Kochi Prefecture oxblood coral 1.593ct loose
Sale price¥9,800
Kochi Prefecture Blood Coral 1.585ct Loose Gemstone
Sale price¥9,800
[Sale on 7/22 at 10 PM] Malawi Moonstone 1.748ct Loose Gemstone
Sale price¥9,800
[On sale 7/24 at 10 PM] Malawi Moonstone 1.621ct Loose Stone
Sale price¥9,800
[On sale July 24 at 10 PM] Malawi Moonstone 1.684ct Loose Gemstone
Sale price¥9,800
![[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)
[Option] Certificate issuance fee
Sale priceFrom ¥2,750
![[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
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.