Imperial topaz 0.591ct loose
Sale price¥9,800
Goshenite 10.720ct rough stone
Sale price¥5,980
Goshenite 8.37ct rough stone
Sale price¥6,980
Goshenite 7.120ct rough stone
Sale price¥4,980
Goshenite 6.710ct rough stone
Sale price¥4,980
Goshenite 4.160ct rough stone
Sale price¥3,980
Star garnet 11.440ct loose (6 rows)
Sale price¥6,980
Star garnet 11.280ct loose (6 rows)
Sale price¥5,980
Sinhalite 1.420ct loose
Sale price¥12,800
South African rhodochrosite 0.680ct loose
Sale price¥69,800
Sphene 4.208ct loose
Sale price¥79,800
Strawberry quartz 10.404ct loose
Sale price¥9,800
Sphene 1.690ct loose
Sale price¥12,800
Sphene 1.607ct loose
Sale price¥12,800
Fire opal 2.503ct loose
Sale price¥19,800
Fire opal 1.665ct loose
Sale price¥9,800
Pink tourmaline 0.535ct loose
Sale price¥6,980
Color change garnet 0.480ct loose
Sale price¥4,980
Cornel pin 0.720ct loose
Sale price¥3,980
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
Star garnet 9.980ct loose (6 rows)
Sale price¥8,800
Colombian oil-free emerald 0.535ct loose Japanese-German edition
Sale price¥248,000
[Konpeito] Rutilated Quartz (Rutilated Quartz) 2.684ct Loose
Sale price¥27,800
Andalusite 5mm loose
Sale price¥6,980
Aventurine aquamarine 1.300ct loose
Sale price¥8,800
Colombian Euclase 548.00ct rough stone
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
[Koshu Precious Stone Kiriko] Fluorite 3.280ct loose with patch
Sale price¥45,800
[Koshu Precious Stone Kiriko] Oregon Sunstone 2.650ct Loose with Patch
Sale price¥69,800
Blue tourmaline 1.060ct loose
Sale price¥19,800
Bicolor Zoisite 0.450ct loose
Sale price¥24,800
Diamond 0.610ct loose (F, SI1, horsehead cut)
Sale price¥188,000
Pink spinel 0.142ct loose
Sale price¥9,800
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.