【7/5 22時販売】《限定12石》ブラジル産レインボーアクアマリン1石ルース《複数購入割引有》（初心者向け）
Sale price¥4,980
【7/6 22時販売】《限定4石》ブラジル産レインボーアクアマリン1石ルース《複数購入割引有》
Sale price¥7,980
【7/6 22時販売】ブラジル産アレキサンドライト 0.054ctルース（エメラルドカット）
Sale price¥19,800
【7/6 22時販売】ブラジル産アクアマリン 0.176ctルース
Sale price¥8,800
【7/6 22時販売】アメリカ産レッドベリル 0.217ctルース
Sale price¥49,800
【7/4 22時販売】【さくらインカット】ブラジル産イエローベリル 9.1mm/2.227ctルース
Sale price¥29,800
【6/26 22時販売】コロンビア産トラピッチェエメラルド（逆トラピッチェ） 0.178ct原石
Sale price¥15,800
[On sale at 22:00 on 6/24] Brazilian Morganite 0.405ct loose stone
Sale price¥7,980
[On sale at 10pm on 6/22] Brazilian Morganite 2.183ct loose stone
Sale price¥29,800
![[On sale at 22:00 on 6/18] Brazilian Morganite 1.950ct loose stone](http://store.karatz.jp/cdn/shop/files/P7218464.jpg?v=1750205873&width=4000)
[On sale at 22:00 on 6/18] Brazilian Morganite 1.950ct loose stone
Sale price¥14,800
[On sale at 22:00 on 6/15] Madagascar aquamarine 1.678ct loose stone
Sale price¥15,800
[On sale at 22:00 on 6/15] Madagascar aquamarine 0.709ct loose stone
Sale price¥18,800
[On sale at 22:00 on 6/18] Brazilian aquamarine 0.474ct loose stone
Sale price¥12,800
[On sale at 22:00 on 6/18] Vietnam aquamarine 0.586ct loose stone
Sale price¥12,800
[12557678] 0.585ct loose aquamarine from Vietnam
Sale price¥12,800
[On sale at 22:00 on 6/26] Nigerian Morganite 2.745ct loose stone
Sale price¥12,800
[On sale at 22:00 on 6/26] Santa Maria Aquamarine 1.265ct loose stone
Sale price¥18,800
![[On sale from 10pm on 5/4] {Limited to 13 stones} Gem gacha💎 Beautiful colored 7mm tanzanite, special cut sphene, and heliodor (lots of inclusions) 1 loose stone {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_26f9aefd-0955-4b84-8991-538995587e77.png?v=1746149041&width=2000)
![[Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set](http://store.karatz.jp/cdn/shop/files/collage_057412df-b83f-456f-b7c8-ff5d87550e46.png?v=1743666005&width=4000)
![[On sale from 10pm on 5/18] Limited to 9 stones, 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010238_6a648509-d222-4f5c-858c-0101029eb903.jpg?v=1747380750&width=4000)
![[On sale from 10pm on 5/11] Limited to 7 stones! Special May birthstone project💎 1 loose Colombian emerald cat's eye (highly transparent cat's eye) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_f993b3e2-2b58-4c11-a27e-e1f010302e90.png?v=1746844222&width=2000)
![[On sale from 10pm on 5/18] Limited to 25 stones, 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.0mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010164_5d2fcb3a-13f8-4ba8-baf1-2549f65c774b.jpg?v=1747379899&width=4000)
![[On sale from 10pm on 5/17] {Limited to 9 stones} Gem gacha💎 April birthstone gacha: A gacha where you can win a fan-cut diamond with AGT sorting or a morganite {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/51400e18845f9eacfbebe0c87bafd79c.png?v=1747010770&width=960)
[On sale 6/6 at 22:00] Brazilian Rainbow Aquamarine 3.308ct Loose
Sale price¥29,800
[On sale 6/6 at 22:00] Brazilian Rainbow Aquamarine 3.188ct Loose
Sale price¥22,800
[On sale 6/6 at 22:00] Brazilian Rainbow Aquamarine 2.698ct Loose
Sale price¥22,800
[On sale from 10pm on 6/1] 0.21ct loose oil-free red beryl from the US, GIA
Sale price¥188,000
![[On sale from 10pm on 5/30] American red beryl 0.104ct loose stone](http://store.karatz.jp/cdn/shop/files/PB011199_8ca8a18a-ef05-47c8-a0ea-a0fa96a3252d.jpg?v=1748559406&width=3269)
[On sale from 10pm on 5/30] American red beryl 0.104ct loose stone
Sale price¥15,800
[On sale from 10pm on 5/31] Brazilian Golden Beryl 10m/3.236ct Loose
Sale price¥15,800
[On sale 6/6 at 22:00] American red beryl 0.254ct loose stone
Sale price¥59,800
[On sale from 10pm on 5/31] American red beryl 3.8mm/0.193ct loose stone
Sale price¥59,800
[On sale 6/6 at 22:00] American red beryl 0.260ct loose stone
Sale price¥69,800
Colombian emerald 10.940ct rough stone
Sale price¥69,800
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.
The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.
