Russian demantoid garnet (horsetail recognized) 4.4mm/0.382ct loose
Sale price¥88,800
Russian demantoid garnet (horsetail recognized) 3.2mm/0.175ct loose
Sale price¥18,800
Opal 1.014ct loose
Sale price¥8,800
Opal 1.521ct loose
Sale price¥8,800
Opal 1.382ct loose
Sale price¥8,800
[Mr. KEN] Indigolite tourmaline 0.105ct loose
Sale price¥6,980
[Mr. KEN] Yellow sapphire 0.474ct loose
Sale price¥6,980
Emerald 0.111ct loose
Sale price¥14,800
《Yurakucho Marui 2024112 takeout》Emerald cat's eye 4.070ct loose stone
Sale price¥198,000
Watermelon tourmaline 14.780ct loose
Sale price¥128,000
Watermelon tourmaline 4.040ct loose
Sale price¥6,980
Aquamarine 15mm/10.190ct loose
Sale price¥69,800
Pink tourmaline 0.620ct loose (Asscher cut)
Sale price¥8,800
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
Pink sapphire 0.934ct loose
Sale price¥19,800
[Mr. KEN] Mexican fire opal 1.580ct loose
Sale price¥35,800
[Mr. KEN] Mexican fire opal 1.330ct loose
Sale price¥35,800
[Mr. KEN] Mexican fire opal 1.610ct loose
Sale price¥35,800
[Sakura Incut] Citrine 10mm《Collaboration》Loose with emblem
Sale price¥25,800
Aventurine aquamarine 0.480ct loose
Sale price¥8,800
[KEN] Montana Sapphire 4mm/0.330ct loose
Sale price¥7,980
Fire opal 3.160ct loose
Sale price¥39,800
Aquamarine 68.040ct loose
Sale price¥39,800
Bicolor tourmaline 7.445ct loose
Sale price¥69,800
YAG (yttrium aluminum garnet) 1.870ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 7.5mm/2.410ct loose
Sale price¥15,800
YAG (yttrium aluminum garnet) 7.3mm./2.150ct loose
Sale price¥15,800
Bicolor tourmaline 1.050ct loose
Sale price¥12,800
Bicolor tourmaline 0.780ct loose
Sale price¥14,800
Ruby from Burma 3.72ct loose GIA
Sale price¥198,000
Purple sapphire 0.313ct loose
Sale price¥8,800
Purple sapphire 0.220ct loose
Sale price¥4,980
Purple sapphire 0.240ct loose
Sale price¥5,980
Pink sapphire 0.278ct loose
Sale price¥8,800
Star sapphire 2.580ct loose
Sale price¥14,800
Bicolor tourmaline 2.30ct loose
Sale price¥39,800
Tanzanite 41.690ct loose
Sale price¥2,480,000
Bicolor sapphire 0.334ct loose
Sale price¥12,800
Bicolor sapphire 0.304ct loose
Sale price¥19,800
Bicolor sapphire 0.301ct loose
Sale price¥12,800
Pink sapphire 0.301ct loose (silky pink)
Sale price¥15,800
Bicolor sapphire 0.149ct loose
Sale price¥8,800
Bicolor sapphire 0.323ct loose
Sale price¥12,800
Bicolor citrine 4.030ct loose
Sale price¥5,980
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.
