[On sale 3/13 at 10pm] Spanish Sphalerite 5.3mm/1.009ct loose stone
Sale price¥6,980
[On sale 3/22 at 10pm] Spanish Sphalerite 5.1mm/0.928ct loose stone
Sale price¥5,980
[On sale at 10pm on 2/23] Yellow Diamond 0.551ct Loose (Cabochon Cut)
Sale price¥49,800
[On sale at 22:00 on 2/9] Honduran Opal 0.999ct Loose
Sale price¥9,800
[On sale at 22:00 on 2/9] Honduran Opal 1.124ct Loose
Sale price¥7,980
[On sale 2/2 at 10pm] Mexican Cantera Opal 5.126ct loose stone
Sale price¥25,800
[On sale 2/1 at 22:00] Mexican Cantera Opal 7.081ct Loose
Sale price¥15,800
[On sale 2/1 at 22:00] Mexican Cantera Opal 4.602ct loose stone
Sale price¥29,800
[On sale 2/1 at 22:00] Mexican Cantera Opal 6.385ct loose stone
Sale price¥18,800
[On sale 2/1 at 22:00] Mexican Cantera Opal 1.842ct loose stone
Sale price¥39,800
[On sale 2/6 at 22:00] Mexican Cantera Opal 4.300ct Loose
Sale price¥69,800
[On sale at 22:00 on 2/6] Mexican Cantera Opal 9.909ct loose stone
Sale price¥39,800
[On sale 2/6 at 22:00] Mexican Cantera Opal 5.238ct loose stone
Sale price¥15,800
[On sale 2/8 at 10pm] Mexican Cantera Opal 7.275ct loose stone
Sale price¥35,800
[On sale 2/8 at 10pm] Mexican Cantera Opal 5.261ct loose stone
Sale price¥49,800
[On sale 2/1 at 22:00] Australian black opal 0.856ct loose
Sale price¥12,800
[On sale 2/1 at 22:00] Australian black opal 1.018ct loose
Sale price¥18,800
[On sale 2/4 at 10pm] Australian black opal 0.812ct loose
Sale price¥8,800
Brazilian Dumortierite in Quartz 6.557ct Loose Stone
Sale price¥18,800
Brazilian Dumortierite in Quartz 7.589ct loose stone
Sale price¥19,800
Sri Lankan Star Sapphire 1.237ct Loose
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 1.171ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 1.674ct loose stone
Sale price¥19,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 0.556ct Loose Stone
Sale price¥15,800
Brazilian Hematite in Quartz 5.656ct Loose Stone
Sale price¥6,980
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.199ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 6.1mm/0.557ct Loose Stone
Sale price¥19,800
Brazilian Paraiba Tourmaline in Quartz 6.1mm/0.756ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.652ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 0.946ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 0.620ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 0.628ct Loose Stone
Sale price¥19,800
Brazilian Paraiba Tourmaline in Quartz 0.866ct Loose Stone
Sale price¥17,800

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.