[KEN] Mint color tourmaline 0.620ct loose
Sale price¥5,980
[KEN] Yellow tourmaline 0.600ct loose
Sale price¥6,980
Pt900 ruby 0.04ct/diamond ear cuff
Sale price¥15,800
Yellow tourmaline 0.280ct loose
Sale price¥5,980
《Yurakucho Marui 2024112 takeout》Russian oil-free emerald 0.840ct loose GIA
Sale price¥248,000
[Cat cut] Rose quartz/moonstone 2 stone set 6mm loose
Sale price¥8,800
Imperial topaz 0.591ct loose
Sale price¥9,800
Star garnet 11.440ct loose (6 rows)
Sale price¥6,980
Star garnet 11.280ct loose (6 rows)
Sale price¥5,980
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
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 14.190ct loose (6 rows)
Sale price¥9,800
Star Garnet 13.400ct loose (6 rows)
Sale price¥7,980
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
Aventurine aquamarine 1.300ct loose
Sale price¥8,800
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
Blue tourmaline 1.060ct loose
Sale price¥19,800
Diamond 0.610ct loose (F, SI1, horsehead cut)
Sale price¥188,000
[Sakura Incut] Blue Topaz 15.640ct Loose with Patch
Sale price¥59,800
[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
Tanzanite 4.940ct rough stone
Sale price¥6,980
Tanzanite 5.930ct rough stone
Sale price¥8,800
[Dandelion cut] Rhodolite garnet 7mm/2.210ct loose with patch
Sale price¥35,800
Bicolor tourmaline 1.180ct loose
Sale price¥9,800
[Colorful] Pt900 blue topaz ring
Sale price¥69,800
Bicolor Zoisite 0.940ct Loose (Bicolor Tanzanite)
Sale price¥14,800
[Colorful] Pt900 blue diamond 0.20ct pendant top
Sale price¥59,800
[Sakura Incut] Sky Blue Blue Topaz 16mm/15.30ct Loose with Patch
Sale price¥69,800
[Dandelion Cut] London Blue Topaz 6.750ct Loose with Patch
Sale price¥49,800
[Dandelion Cut] London Blue Topaz 6.570ct Loose with Patch
Sale price¥59,800
[Sakura Incut] Ametrine 9.740ct loose with patch
Sale price¥79,800
Topaz 2.240ct loose
Sale price¥8,800
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.