A 3D gemstone sticker encyclopedia featuring "authentic gemstone photos" taken by the specialty jewelry store KARATZ.

The 3D embossing follows the gemstone's cut lines, capturing the unique brilliance and depth of real jewels. Each sticker includes not just the name of the gem, but also its characteristics and interesting trivia. It is a collectible sticker series that lets you enjoy learning about gemstones by seeing, touching, and collecting them.
The long-awaited Vol. 4 "Sakura In-Cut Edition" arrives on Friday, October 2, 2026!
Vol. 1: The Five Major Gemstones
Features iconic gemstones including ruby, sapphire, and emerald.
Vol. 2: Birthstones
A series to enjoy a variety of birthstones from January through December.
Vol. 3: Inclusions
Expresses the unique and diverse world of inclusions found within gemstones through 3D stickers.
Vol. 4: Sakura In-Cut NEW
Features the "Sakura In-Cut," which makes it appear as though cherry blossoms are blooming inside the stone. Using photos of actual gemstones, you can enjoy these colorful Sakura In-Cut designs in 3D sticker form.
Realism only possible with authentic gemstone photos
・Uses actual gemstone photos taken by KARATZ
・3D embossing along the gemstone's cut lines
・Enjoy the colors, brilliance, and unique personality of each gem
・Includes characteristics and trivia for each stone
・Learn about gemstones by seeing, touching, and collecting
Price: 660 yen each (tax included)
For those who want to learn more about gemstones, check out our book "Gemstone Encyclopedia," which has surpassed 15,000 copies sold.
▶ Click here for the "Gemstone Encyclopedia" book
*Images are for illustrative purposes only.
*Sales periods and contents are subject to change without notice.