Under ¥5,000

[On sale 2/8 at 10pm] Brazilian amethyst 4.961ct loose stone Sale price¥3,980

TV anime "Black Butler -Boarding School Arc-" x KARATZ collaboration tin mirror Sale price¥770

{3 stones remaining} 1 loose emerald from Zambia {Multiple purchase discounts available} Sale price¥4,980

[Option] Fee for obtaining a certificate of origin from the Japan-Germany Gem Laboratory Sale price¥2,500

Tanzania Bicolor Zoisite 0.147ct Loose Stone Sale price¥3,980

Sri Lankan Yellow Sapphire 0.124ct Loose Sale price¥4,980

Limited to 6 stones: 1 Brazilian amethyst loose stone (5mm, round cut) Multiple purchase discounts available Sale price¥1,980

Limited to 7 stones: 1 loose Brazilian Goshenite stone. Discounts available for multiple purchases. Sale price¥3,980

{Only one left} Madagascar sphene loose stone {Multiple purchase discounts available} Sale price¥3,980

Limited to 7 stones: 1 loose sphene stone from Madagascar (2mm, princess cut) Multiple purchase discounts available Sale price¥1,980

Limited to 5 stones: 1 loose blue-green apatite stone from Madagascar. Discounts available for multiple purchases. Sale price¥3,980

Brazilian Lepidocrocite in Quartz 0.713ct Loose Stone Sale price¥3,980

Brazilian Lepidocrocite in Quartz 5.0mm/0.477ct Loose Stone Sale price¥4,980

Limited to 4 stones: 1 loose spinel stone from Sri Lanka. Discounts available for multiple purchases. Sale price¥2,980

Limited to 5 stones: 1 loose Madagascar sapphire (3.5mm, hexagonal cut) Multiple purchase discounts available Sale price¥4,980

Limited to 5 stones: 1 loose Madagascar sapphire (3mm, hexagonal cut) Multiple purchase discounts available Sale price¥3,980

Chinese color change fluorite 1 stone loose (7mm, round cut) {Multiple purchase discount available} Sale price¥2,580

Chinese color change fluorite 1 stone loose (6mm, round cut) {Multiple purchase discount available} Sale price¥1,980

Limited to 4 stones: 1 loose silky sapphire from Sri Lanka. Discounts available for multiple purchases. Sale price¥3,980

Nepalese Kyanite 1 stone loose (Royal Blue color, 4 x 6mm, oval cut) {Multiple purchase discount available} Sale price¥3,980

Nepalese Kyanite 1 stone loose (Royal Blue color, 4mm, round cut) {Multiple purchase discount available} Sale price¥2,980

Brazilian Morganite 0.591ct loose stone Sale price¥3,980

Limited to 8 stones: 1 unheated silky pink sapphire from Vietnam (including silky ruby) Discounts for multiple purchases available Sale price¥4,980

{Only one left} Brazilian Morganite loose stone set of two (April birthstone, pear cut, different colors) {Multiple purchase discounts available} {For beginners} Sale price¥3,980

[On sale from 10pm on 12/7] {Limited to 40 stones} Salt and pepper diamond (2mm, melee diamond) 1 loose stone {Multiple purchase discounts available} Sale price¥2,980

Limited to 11 stones: 1 rough kornerupine stone from Madagascar (average 8.5 carats) Multiple purchase discounts available Sale price¥2,980

Limited to 10 stones: 1 Ethiopian Sunstone rough stone (average 2.9 carats) Multiple purchase discounts available Sale price¥3,580

Limited to 10 stones: 1 Ethiopian Sunstone rough stone (average 1.8 carats) Multiple purchase discounts available Sale price¥2,580

Limited to 14 stones: 1 Santa Maria aquamarine (March birthstone, average 0.39ct) Multiple purchase discounts available Sale price¥3,980

Limited to 9 stones: 1 Santa Maria aquamarine (March birthstone, average 0.28ct) Multiple purchase discounts available Sale price¥2,980

Limited to 33 stones: 1 rough Arizona turquoise with pyrite (December birthstone) Multiple purchase discounts available Sale price¥1,000

Limited to 15 sets: Two Nigerian tourmaline gemstones (October birthstone) Discounts available for multiple purchases Sale price¥1,580

Limited to 6 stones: 1 Montebrasite stone from Madagascar (round cut, 4mm) Multiple purchase discounts available Sale price¥3,980

Mexican Fire Opal 0.934ct Loose Sale price¥3,980

[Only one left] Mexican Danburite 1 stone loose (4.3mm, round cut) [Multiple purchase discount available] Sale price¥3,980

Limited to 2 stones: 1 loose green tourmaline from Brazil. Discounts available for multiple purchases. Sale price¥3,980

Limited to 6 stones: 1 loose spinel stone from Myanmar (pentagonal cut, 3-3.5mm) Multiple purchase discounts available Sale price¥2,580

Limited to 2 stones: 1 loose Mahenge spinel from Tanzania (3mm, round cut) Discounts available for multiple purchases Sale price¥4,980

Limited to 14 stones: Blue sapphire from Madagascar (cornflower blue color, oval cut) Multiple purchase discounts available Sale price¥3,980

Limited to 19 stones: Blue sapphire from Madagascar (medium blue, oval cut) Discounts available for multiple purchases Sale price¥2,980

Limited to 18 stones: Mozambique ruby (princess cut, 2.3-2.5mm) Multiple purchase discounts available Sale price¥3,980

Brazilian emerald in quartz 2.810ct loose stone Sale price¥4,980

Brazilian emerald in quartz 2.332ct loose stone Sale price¥3,980

Limited quantity: 1 impregnated ruby loose (4mm, round cut, identification instructions included) Multiple purchase discounts available Sale price¥1,980

Limited to 8 stones: 1 loose Madagascar needle-in topaz (average 1.2 carats) Multiple purchase discounts available Sale price¥2,980

Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 1.8 carats) Multiple purchase discounts available Sale price¥3,980

Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 2.1 carats) Multiple purchase discounts available Sale price¥4,980

Limited to 4 sets: Sri Lankan sapphire (2.5mm, round cut) and Sri Lankan glass body set of 2 stones. Discounts available for multiple purchases. Sale price¥3,980

KARATZ Custom Made

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.

KARATZ・Five Commitments