Opal 3.504ct loose
Sale price¥14,800
Green tourmaline 0.520ct loose
Sale price¥4,980
Black Star Sapphire 3.870ct loose
Sale price¥19,800
Black Star Sapphire 3.140ct loose
Sale price¥15,800
Black Star Sapphire 2.060ct loose
Sale price¥8,800
Black Star Sapphire 1.250ct loose
Sale price¥8,800
Cantera Opal 21.120ct loose
Sale price¥39,800
Fire opal 1.720ct loose
Sale price¥12,800
Fire opal 1.300ct loose
Sale price¥9,800
Opal 1.120ct loose
Sale price¥6,980
Fire opal 1.030ct loose
Sale price¥8,800
Opal 0.860ct loose
Sale price¥5,980
Fire opal 0.490ct loose
Sale price¥3,980
Fire opal 0.400ct loose
Sale price¥3,980
Fire opal 52.470ct loose
Sale price¥69,800
Tanzanite 6.320ct loose
Sale price¥128,000
Pink tourmaline 0.550ct loose
Sale price¥3,980
Sapphire 1.600ct rough stone
Sale price¥4,980
Fire opal 0.473ct loose
Sale price¥8,800
Russian demantoid garnet (horsetail recognized) 5.0mm/0.660ct loose
Sale price¥198,000
Yellow sapphire 0.231ct loose
Sale price¥4,980
Bicolor sapphire 0.302ct loose
Sale price¥6,980
Hyalite Opal 4.340ct rough stone
Sale price¥34,800
Hyalite Opal 3.400ct rough stone
Sale price¥25,800
Yellow sapphire 1.110ct loose
Sale price¥19,800
Emerald 0.104ct loose (sugar loaf)
Sale price¥16,800
Spessartine garnet 2.370ct rough stone
Sale price¥8,800
Swiss blue topaz 17.360ct loose
Sale price¥29,800
《Yurakucho Marui 2024112 takeout》 Swiss blue topaz 11.500ct loose
Sale price¥19,800
Swiss blue topaz 10.910ct loose
Sale price¥19,800
Spessartine Garnet 9.02ct rough stone
Sale price¥6,980
Spessartine garnet 6.450ct rough stone
Sale price¥3,980
Spessartine garnet 3.740ct rough stone
Sale price¥3,980
Fire opal 0.830ct loose
Sale price¥9,800
Russian demantoid garnet 0.111ct loose
Sale price¥14,800
Trapichell Bee 1 stone《Multiple purchase discount available》
Sale price¥5,980
Yellow Diamond 0.462ct Loose (FANCY DEEP BROWNISH GREENISH YELLOW, I1)
Sale price¥39,800
Yellow Diamond 0.428ct Loose (FANCY DEEP BROWNISH GREENISH YELLOW, I1)
Sale price¥29,800
Black opal 2.530ct loose stone from Yurakucho Marui 2024112
Sale price¥29,800
Australian black opal 0.480ct loose
Sale price¥8,800
Brazilian Blue Green Tourmaline 3.707ct Loose Stone
Sale price¥59,800
Blue opal 1.70ct loose
Sale price¥16,800
Blue opal 1.64ct loose
Sale price¥14,800
Blue opal 1.53ct loose
Sale price¥13,800
Blue opal 1.50ct loose
Sale price¥11,800
Topaz 73.29ct rough stone
Sale price¥9,800
Amethyst 4.961ct loose
Sale price¥3,980
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.
