![[On sale May 30th at 10 PM] "Limited to 11 stones" Regularly priced at 29,800 yen, win a 0.385ct/FANCY DEEP color/SI-2 diamond with sorting in this brown diamond gacha! (Multi-purchase discount available)](http://store.karatz.jp/cdn/shop/files/collage_de88d9bd-1ddf-428b-9972-bf7355074823.png?v=1779847160&width=4000)
![[On Sale May 29, 10 PM JST] 《Limited 13 Stones》Yellow Diamond Gacha, win a VVS-2/4.3mm/with Sorting Report worth 39,800 yen (regular price) 💎《Multiple Purchase Discount Available》](http://store.karatz.jp/cdn/shop/files/34.png?v=1779067923&width=1890)
![[Sales begin June 12 at 10 PM JST] Blue Gem Gacha 💎 Featuring Brazilian Paraiba Tourmaline (CuO: 1.5%, MnO: 3.2%) normally priced at 35,800 JPY, Zimbabwean Euclase, and more! 《Bulk purchase discounts available》](http://store.karatz.jp/cdn/shop/files/32.png?v=1779063779&width=4000)
![[On sale 5/23 at 10 PM] Limited to 5 stones: Burmese Ice Jadeite (approx. 3.3-3.8mm) - Multiple purchase discount available](http://store.karatz.jp/cdn/shop/files/P5150084.jpg?v=1778975404&width=4000)
![[Lottery Sale 0530_03] Internally Flawless Diamond 4.2mm/0.272ct Loose (D, IF, 3Excellent H&C) GIA](http://store.karatz.jp/cdn/shop/files/3_f6c73c1b-d7e2-482b-a5e2-afdee14010e4.png?v=1780016029&width=1000)
![[Lottery Sale 0530_02] Internally Flawless Diamond 3.8mm/0.217ct Loose Stone (D, IF, 3Excellent H&C) GIA](http://store.karatz.jp/cdn/shop/files/2_2adf4222-cfbe-45f7-9ce0-5d6c245a1ecd.png?v=1780015876&width=4000)
[Lottery Sale 0521_06] Sri Lankan Sapphire Cat's Eye Loose Stone 2.442ct
Sale price¥75,800
![[Sales start May 15, 10 PM] Limited to 11 Stones: Aquamarine Gacha with Certified Santa Maria Aquamarine (Multiple Purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/collage_32377599-1a20-474f-97f7-41abac4cc7eb.png?v=1778546054&width=4000)
![[On sale May 16th at 10 PM JST] 《Limited 20 stones》Big Gem Gacha 💎 Win a 19ct up Shimizu Kisaki Co. Camellia cut gem 《Multiple purchase discount available》](http://store.karatz.jp/cdn/shop/files/29_3ffd0a54-a2f0-4da2-8c96-7e3b49f7f4f6.png?v=1778380623&width=1890)
![[On sale May 16th at 10 PM JST] Limited to 10 stones! Cat Cut Gacha 💎 Tourmaline, Opal, Chalcedony, etc. (Includes a bonus mini-mini cat cut stone) (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/28_bc4803b4-5e4e-4a51-b5c9-60df2c8819e2.png?v=1778377827&width=1890)
![[On sale May 10th at 10 PM] "Limited to 3 stones" Brazilian Paraiba Tourmaline (Cabochon Cut approx. 3.0mm) 1 Stone Loose Gemstone "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/P5070786_ec0bd736-18d0-4597-8cdf-d783daa25e3b.jpg?v=1778246718&width=3109)
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.