[On sale 11/5 at 22:00] Colombian Trapiche Emerald 1.341ct Loose
Sale price¥6,980
![[On sale 11/4 at 10pm] Montana Sapphire 2.5mm/0.073ct Loose Stone (Blue Sapphire)](http://store.karatz.jp/cdn/shop/files/P2240788.jpg?v=1730639282&width=2146)
[On sale 11/4 at 22:00] Mexican Cantera Opal 22.250ct Loose
Sale price¥59,800
![[On sale from 10pm on November 3rd] [Limited to 18 stones] Mozambique ruby (princess cut, 2.3-2.5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010950_8d7615b2-9164-4afb-bfbd-185f85f1f982.jpg?v=1730429705&width=4000)
[On sale 11/3 at 22:00] Unheated Ruby 0.330ct Loose AIGS
Sale price¥35,800
[On sale 11/4 at 10pm] Pt900 Colombian emerald 0.72ct, diamond 0.61ct ring
Sale price¥158,000
[On sale 11/2 22:00] Pigeon Blood Ruby 0.280ct Loose AIGS
Sale price¥45,800
[On sale 11/2 at 22:00] Burmese ruby 0.418ct loose stone Japan-Germany
Sale price¥35,800
[11/2 22:00 Sale] Burmese Unheated Ruby 0.245ct Loose Stone Nikko Kan
Sale price¥39,800
[On sale 11/2 at 10pm] Myanmar ruby 0.283ct loose
Sale price¥29,800
[On sale 11/2 at 10pm] Madagascar sapphire 3.0mm/0.126ct loose stone
Sale price¥8,800
[On sale 11/2 at 10pm] Bankacha Sapphire 1.413ct Loose
Sale price¥15,800
[On sale 11/2 at 10pm] Burmese ruby 0.239ct loose
Sale price¥9,800
[On sale 11/2 at 10pm] Emerald 0.254ct loose stone
Sale price¥15,800
[On sale 11/2 at 10pm] Emerald 0.484ct loose stone
Sale price¥18,800
[On sale 11/2 at 10pm] Emerald 0.156ct loose stone
Sale price¥8,800
[On sale 11/6 at 22:00] Myanmar Trapiche Ruby 0.230ct loose stone
Sale price¥18,800
![[On sale from 10pm on November 2nd] Limited quantity: Impregnated ruby 1 loose stone (4mm, round cut, identification instructions included) Multiple purchase discounts available](http://store.karatz.jp/cdn/shop/files/P1010948_5e10a85b-fac8-42d9-b09a-29c28ca30577.jpg?v=1730354637&width=4000)
[On sale 11/8 at 22:00] Australian green opal 4.990ct loose
Sale price¥9,800
[On sale 11/8 at 22:00] Pakistani ruby in quartz 1.429ct loose stone
Sale price¥12,800
[On sale at 10pm on November 9th] Australian black opal 0.386ct loose
Sale price¥39,800
![[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)
![[Resale] [Jeweler's Tools] Black Light, 3 Loose Stones (Ruby, Red Spinel, Oil in Quartz) with Rechargeable Battery](http://store.karatz.jp/cdn/shop/files/collage_c90ad5e1-b47a-49f9-b7d7-d75e04cd883a.png?v=1724920180&width=2000)
[Resale] [Jeweler's Tools] H&C (Heart & Cupid) Scope (Diamond Scope)
Sale price¥1,580
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.
