【5/27 22時販売】ブラジル産パライバトルマリンインクォーツ 6.0mm/0.794ctルース
Sale price¥15,800
【5/24 22時販売】アマゾン産グリーンオパール7mm/0.88ct ルース
Sale price¥7,980
【5/24 22時販売】ブラジル産パライバトルマリン 0.217ctルース(CuO:1.5%、MnO:0.5%)
Sale price¥39,800
【5/24 22時販売】ブラジル産パーティカラーパライバトルマリン 0.146ctルース(CuO:1.8%、MnO:3.0%)
Sale price¥29,800
【5/23 22時販売】エチオピア産オパール 1.521ctルース
Sale price¥3,980
【5/23 22時販売】エチオピア産オパール 1.382ctルース
Sale price¥3,980
【5/23 22時販売】エチオピア産オパール 1.014ctルース
Sale price¥3,980
【5/23 22時販売】ブラジル産ウォーターメロントルマリン 14.780ctルース (バイアカラートルマリン)
Sale price¥128,000
【5/21 22時販売】ブラジル産パライバトルマリン 0.215ctルース(CuO:1.1%、MnO:3.3%)
Sale price¥55,800
【5/21 22時販売】オーストラリア産アイアンオパール 17.450ctルース
Sale price¥12,800
【5/20 22時販売】オーストラリア産ボルダーオパール 41.770ctルース
Sale price¥29,800
【5/20 22時販売】オーストラリア産ボルダーオパール 15.020ctルース
Sale price¥18,800
【5/20 22時販売】オーストラリア産ボルダーオパール 12.220ctルース
Sale price¥12,800
[On sale from 10pm on 5/16] Mexican Cantera Opal 6.112ct loose stone
Sale price¥59,800
[12559343] Brazilian indigolite tourmaline 0.162ct loose stone
Sale price¥11,000
[On sale from 10pm on 5/18] Australian white opal 2.318ct loose
Sale price¥12,800
[On sale from 10pm on 5/18] Australian Opal 1.390ct Loose
Sale price¥9,800
[On sale at 22:00 on 5/13] Synthetic black opal 5.013ct loose stone
Sale price¥59,800
[On sale 5/6 at 22:00] Australian boulder opal 6.160ct loose
Sale price¥18,800
[On sale 5/6 at 22:00] Australian boulder opal 4.980ct loose
Sale price¥19,800
[On sale at 22:00 on 5/5] Alluraria black opal 2.530ct loose
Sale price¥29,800
[On sale 5/4 at 10pm] Mexican Cantera Opal 18.00ct loose stone
Sale price¥29,800
[On sale 5/3 at 22:00] Mexican fire opal 1.320ct loose stone
Sale price¥13,800
[On sale from 22:00 on 5/5] Mexican water opal 0.304ct loose stone
Sale price¥8,800
[On sale from 10pm on 5/9] Mexican water opal 0.194ct loose stone
Sale price¥6,980
[On sale 5/3 at 22:00] Mexican water opal 0.300ct loose
Sale price¥8,800
[On sale from 22:00 on 5/5] Mexican water opal 0.404ct loose stone
Sale price¥12,800
[On sale from 10pm on 5/9] Mexican opal 0.513ct loose stone
Sale price¥8,800
[On sale 5/3 at 10pm] Mexican Opal 0.461ct Loose
Sale price¥8,800
[On sale 5/3 at 10pm] Australian Opal 0.371ct Loose
Sale price¥8,800
[On sale from 10pm on 5/9] Australian opal 0.678ct loose
Sale price¥5,980
[On sale from 10pm on 5/9] Australian opal 0.658ct loose
Sale price¥8,800
[On sale from 10pm on 5/5] Australian opal 0.423ct loose
Sale price¥6,980
[On sale from 10pm on 5/5] Australian opal 0.706ct loose stone
Sale price¥8,800
[On sale from 10pm on 5/5] Australian opal 0.633ct loose
Sale price¥9,800

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.