[On sale at 10pm on November 9th] Australian black opal 0.386ct loose
Sale price¥39,800
![[On sale at 10pm on November 1st] Limited to 8 stones, 1 loose Madagascar needle-in topaz (average 1.2ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010324_ae957d8d-1ba9-4ce0-a0f8-fca9508cb307.jpg?v=1730287240&width=4000)
![[On sale at 10pm on November 1st] {Limited to 6 stones} 1 loose Madagascar needle-in topaz (average 1.8ct) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_46668574-6526-494e-b890-c6fcfc347ee9.png?v=1730286933&width=2000)
![[On sale at 10pm on November 1st] Limited to 6 stones: 1 loose Madagascar needle-in topaz (average 2.1ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_f590dacc-1477-40f1-abb4-fdfbb3f368f5.png?v=1730286609&width=2000)
![[On sale from 10pm on November 1st] Limited to 4 sets: Sri Lankan sapphire (2.5mm, round cut) and Sri Lankan glass body set of 2 stones [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_367eff54-ac27-4cd2-bf80-897ce3a86726.png?v=1730285863&width=2000)
![[On sale from 10pm on November 1st] Limited to 9 sets: Sri Lankan sapphire (3.0-3.5mm, round cut) and Sri Lankan glass body set of 2 stones [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_ad84f54e-5d21-4682-a1a4-5e2415812824.png?v=1730285452&width=2000)
![[On sale from 11/1 at 22:00] [Limited to 8 stones] 1 Myanmar platinum spinel loose stone (4.0mm, round cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010422_1415aa73-6a18-476a-82ee-25c4d29b7aaa.jpg?v=1730280776&width=4000)
![[On sale from 10pm on November 2nd] Limited to 20 stones, 1 loose Kasharai amethyst (6.0mm, round cut, February birthstone) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_5c61fefe-f473-4211-b2cd-b774d6b15680.png?v=1730280179&width=2000)
![[On sale at 10pm on 10/29] Brazilian goethite in amethyst 2.00ct loose stone](http://store.karatz.jp/cdn/shop/files/P6282830_42101e85-f0c9-41d2-9096-4d04c3ee7c21.jpg?v=1730115822&width=3447)
![[On sale from 10/27 at 10pm] {Limited to 4 stones} Pakistani Ludwigite in Peridot 1 loose stone (August birthstone, mint color garnet) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_edf94cea-4df8-43a3-a23a-6e894ce27154.png?v=1730017738&width=2000)
![[On sale from 10/27 at 10pm] Set of 2 Tanzanite rough stones and loose stones from Tanzania (average 3.3ct, special cut) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_8057e78b-6f60-454c-ac7e-1eb4efd73743.png?v=1729985992&width=2000)
![[On sale from 10/27 at 10pm] Set of 2 Tanzanite rough stones and loose stones from Tanzania (average 3ct, cushion cut) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010050_8411e8b6-8cd2-480e-afa8-1745891a153f.jpg?v=1729985446&width=4000)
![[On sale 10/26 at 10pm] {4 stones remaining} Brazilian Paraiba Quartz (Medusa Quartz, Giralite in Quartz) 1 loose stone {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_b9f7ecde-dd64-478a-8e83-2386083b3821.png?v=1729820074&width=2000)
![[12555519] American Neptunite 0.109ct loose stone](http://store.karatz.jp/cdn/shop/files/P1010698_282972fa-a7c3-492a-9aa7-8a10f3f8964a.jpg?v=1732019003&width=3016)
[12555519] American Neptunite 0.109ct loose stone
Sale price¥12,800
![[12555514] American Neptunite 0.072ct loose stone](http://store.karatz.jp/cdn/shop/files/P1010526_8b434b5e-a73c-49f7-82a3-eb56af17f48e.jpg?v=1732283912&width=2921)
[12555514] American Neptunite 0.072ct loose stone
Sale price¥12,800
![[12555513] American Neptunite 0.067ct loose stone](http://store.karatz.jp/cdn/shop/files/P1010493_1825ee46-ed33-4fac-be41-e37bb2275893.jpg?v=1732283947&width=2933)
[12555513] American Neptunite 0.067ct loose stone
Sale price¥9,800
[On sale 11/13 at 22:00] American Neptunite 0.259ct loose stone
Sale price¥25,800
![[12555508] American Neptunite 0.076ct loose stone](http://store.karatz.jp/cdn/shop/files/P1010334_9bc9f00b-5d72-4013-9364-b8d418cf7a53.jpg?v=1732139975&width=2746)
[12555508] American Neptunite 0.076ct loose stone
Sale price¥7,980
[On sale 11/13 at 22:00] Madagascar Celestite 11.0mm/7.556ct loose stone
Sale price¥18,800
[On sale 11/13 at 22:00] Madagascar celestite 5.389ct loose stone
Sale price¥13,800
[On sale at 10pm on 10/26] Brazilian Rubellite 2.022ct loose stone
Sale price¥55,800
[On sale at 10pm on 10/26] Silky Diamond 3.5mm/0.178ct Loose
Sale price¥19,800
[On sale at 10pm on 10/27] Vietnam aquamarine 0.456ct loose stone
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.
