Cornflower Blue Sapphire 4.9mm/0.55ct Loose AIGS
Sale price¥128,000
Conch pearl 2.018ct loose (with flame pattern)
Sale price¥49,800
[KEN] Sapphire 0.350ct loose
Sale price¥14,800
Pt900 ruby 0.04ct/diamond ear cuff
Sale price¥15,800
《Yurakucho Marui 2024112 takeout》Russian oil-free emerald 0.840ct loose GIA
Sale price¥248,000
Fire opal 2.503ct loose
Sale price¥19,800
Fire opal 1.665ct loose
Sale price¥9,800
Fire opal 3.894ct loose
Sale price¥12,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.303ct loose stone
Sale price¥15,800
Pink sapphire 0.270ct loose
Sale price¥8,800
Colombian oil-free emerald 0.535ct loose Japanese-German edition
Sale price¥248,000
Yellow Diamond 0.221ct Loose (FANCY DEEP BROWNISH GREENISH YELLOW, SI2)
Sale price¥19,800
Yellow diamond 0.238ct loose (FANCY DEEP BROWNISH YELLOW, SI1)
Sale price¥19,800
Diamond 0.610ct loose (F, SI1, horsehead cut)
Sale price¥188,000
[Colorful] Pt900 Boulder Opal 15.82ct Pendant Top (Necklace Top)
Sale price¥69,800
Russian oil-free emerald 0.570ct loose with GIA
Sale price¥258,000
[Colorful] Pt900 blue diamond 0.20ct pendant top
Sale price¥59,800
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥148,000
Bicolor sapphire 0.244ct loose
Sale price¥15,800
Bicolor sapphire 0.193ct loose
Sale price¥9,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.148ct loose stone
Sale price¥15,800
Diamond 3.35ct rough stone with medium treasure
Sale price¥39,800
Yellow Star Sapphire 22.023ct loose
Sale price¥59,800
Hyalite Opal 29.640ct rough stone
Sale price¥8,800
Hyalite Opal 20.070ct rough stone
Sale price¥9,800
Hyalite Opal 16.20ct rough stone
Sale price¥8,800
Hyalite Opal 11.90ct rough stone
Sale price¥8,800
Vietnam Pink Sapphire 1.690ct Loose GIA
Sale price¥88,000
Fire opal 1.988ct loose
Sale price¥15,800
Yellow opal 33.606ct loose
Sale price¥39,800
Fire opal 2.331ct loose
Sale price¥19,800
Fire opal 4.172ct loose
Sale price¥15,800
Burmese pigeon blood ruby 1.340ct loose GRS
Sale price¥178,000
Royal blue sapphire 2.22ct loose AIGS
Sale price¥398,000
Opal 3.504ct loose
Sale price¥14,800
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
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.
