[12555991] Synthetic opal 0.723ct loose stone
Sale price¥15,800
[12555989] Synthetic opal 0.651ct loose stone
Sale price¥15,800
[On sale at 10pm on November 9th] Australian black opal 0.386ct loose
Sale price¥39,800
![[On sale from 10/11 at 22:00] {Limited to 4 stones} Ethiopian black opal (heat-treated, identification instructions included) 1 loose stone {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_4c67c7fd-011f-4ad3-962e-cdb8603cce67.png?v=1728475006&width=2000)
Australian black opal 0.675ct loose stone
Sale price¥24,800
Australian black opal 9.709ct loose stone
Sale price¥158,000
K18YG Australian black opal 0.736ct diamond ring
Sale price¥98,000
《Yurakucho Marui 2024112 takeout》Australian black opal 1.015ct loose
Sale price¥19,800
Australian black opal 3.242ct loose stone
Sale price¥69,800
Australian black opal 3.322ct loose stone
Sale price¥98,000
Australian black opal 0.357ct loose stone
Sale price¥8,800
Australian black opal 0.310ct loose
Sale price¥6,980
《Yurakucho Marui 2024112 takeout》Australian black opal 1.057ct loose
Sale price¥39,800
[12551529] Australian black opal 2.233ct loose stone
Sale price¥69,800
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Australian black opal 3.027ct loose stone
Sale price¥15,800
Australian black opal 0.650ct loose
Sale price¥18,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.612ct loose
Sale price¥18,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.533ct loose
Sale price¥15,800
Australian black opal 1.107ct loose stone
Sale price¥35,800
Australian black opal 0.977ct loose stone
Sale price¥29,800
Australian black opal 0.407ct loose stone
Sale price¥8,800
Australian black opal 0.679ct loose stone
Sale price¥19,800
Australian black opal 0.410ct loose stone
Sale price¥15,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.578ct loose
Sale price¥19,800
Australian black opal 0.294ct loose
Sale price¥8,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.762ct loose
Sale price¥18,800
Australian black opal 0.146ct loose stone (faceted cut)
Sale price¥8,800
Australian black opal 2.407ct loose
Sale price¥59,800
Australian black opal 1.744ct loose
Sale price¥39,800
Australian black opal 0.959ct loose stone
Sale price¥18,800
Australian black opal 0.296ct loose stone
Sale price¥8,800
Australian black opal 0.357ct loose stone
Sale price¥12,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.676ct loose
Sale price¥15,800
Australian black opal 0.616ct loose
Sale price¥12,800
Australian black opal 1.295ct loose
Sale price¥19,800
Australian black opal 0.310ct loose
Sale price¥8,800
Australian black opal 1.134ct loose
Sale price¥39,800
Australian black opal 2.122ct loose
Sale price¥24,800
Black opal 2.293ct loose
Sale price¥98,000
Black opal 0.660ct loose
Sale price¥19,800
Black opal 2.530ct loose stone from Yurakucho Marui 2024112
Sale price¥29,800
Australian black opal 0.480ct 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.
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.
