[Star in cut] Mexican fire opal 7mm/0.678ct loose with patch
Sale price¥49,800
Pink sapphire from Madagascar 3.3mm/0.185ct loose
Sale price¥3,980
[Cat cut] Bankacha sapphire 6mm/0.784ct loose
Sale price¥17,800
[Colorful] K18 boulder opal 3.290ct diamond ring
Sale price¥79,800
[Colorful] K18WG Larimar 0.74ct diamond ring
Sale price¥59,800
[Mr. KEN] Golden Sheen Sapphire from Tanzania 0.495ct loose
Sale price¥14,800
Mexican cantera opal 34.760ct loose
Sale price¥39,800
Mexican cantera opal 32.560ct loose
Sale price¥39,800
Mexican cantera opal 27.410ct loose
Sale price¥49,800
[Sakura Incut] Opal from Mexico 9mm/1.532ct loose
Sale price¥69,800
Black opal 2.293ct loose
Sale price¥98,000
[KEN] Fire opal from Mexico 0.353ct loose
Sale price¥6,980
[KEN] Fire opal from Mexico 0.230ct loose
Sale price¥6,980
[KEN] Opal 0.101ct loose
Sale price¥8,800
[KEN] Opal from Mexico 0.561ct loose
Sale price¥19,800
[KEN] Fire opal from Mexico 0.591ct loose
Sale price¥35,800
[KEN] Opal from Mexico 0.264ct loose
Sale price¥8,800
[KEN] Opal 0.458ct loose
Sale price¥12,800
[KEN] Opal 0.536ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.107ct rough stone
Sale price¥14,800
Pt950 benitoite 0.10ct/diamond ring
Sale price¥69,800
K18 bicolor sapphire 0.129ct/blue sapphire ring
Sale price¥69,800
Colombian emerald cat's eye 0.834ct loose
Sale price¥59,800
《Yurakucho Marui 2024112 takeout》Royal Blue Sapphire 1.44ct Loose GIA
Sale price¥188,000
Montana Sapphire 2.7mm/0.098ct Loose (Yellow)
Sale price¥9,800
Montana Sapphire 2.4mm/0.071ct Loose (Yellow)
Sale price¥7,980
FANCY INTENSE YELLOW, SI-1
Sale price¥25,800
Montana Sapphire 3mm/0.149ct Loose (Rock Creek)
Sale price¥19,800
Benitoite 0.100ct loose (emerald cut)
Sale price¥35,800
Umba sapphire (from Tanzania) 0.503ct loose
Sale price¥8,800
Mexican cantera opal 12.401ct loose
Sale price¥15,800
Mexican cantera opal 4.711ct loose
Sale price¥15,800
Opal 426.985ct rough stone
Sale price¥39,800
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥22,800
Mexican cantera opal 8.454ct loose
Sale price¥6,980
Fire opal 1.547ct loose
Sale price¥12,800
Colombian emerald 32.379ct rough stone
Sale price¥19,800
Iron opal 177.315ct loose
Sale price¥22,800
Colombian pyrite emerald 46.182ct rough stone
Sale price¥14,800
Colombian pyrite emerald 70.233ct rough stone
Sale price¥6,980
Colombian pyrite emerald 43.368ct rough stone
Sale price¥12,800
Colombian pyrite emerald 30.109ct rough stone
Sale price¥12,800
Sri Lankan star sapphire 0.748ct loose
Sale price¥5,980
Opal 168.640ct rough stone
Sale price¥29,800
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.