0.1ct - 0.3ct

【4/24 22時販売】ナミビア産ジェレメジェバイト（エレメージェバイト） 0.154ctルース日独鑑 Sale price¥15,800

【4/24 22時販売】ナミビア産ジェレメジェバイト 0.153ctルース日独鑑 Sale price¥15,800

【4/24 22時販売】ナミビア産ジェレメジェバイト（エレメージェバイト） 0.121ctルース日独鑑 Sale price¥12,800

【4/24 22時販売】ナミビア産ジェレメジェバイト 0.118ctルース日独鑑 Sale price¥12,800

【4/24 22時販売】アメリカ産レッドベリル 0.151ctルース Sale price¥22,800

【4/24 22時販売】コロンビア産エメラルド 0.295ctルース Sale price¥19,800

【4/23 22時販売】コロンビア産エメラルド 3.1mm/0.117ctルース Sale price¥27,800

【4/23 22時販売】コロンビア産エメラルド 0.156ctルース Sale price¥16,800

【4/22 22時販売】ダイヤモンド 0.169ctルース(F, VS2) Sale price¥18,800

【4/22 22時販売】アメリカ産レッドベリル 0.288ctルース日独 Sale price¥35,800

【4/21 22時販売】マダガスカル産グランディディエライト 0.180ctルース Sale price¥14,800

【4/21 22時販売】マダガスカル産グランディディエライト 0.178ctルース Sale price¥16,800

【4/21 22時販売】タンザニア産バイカラーサファイア 0.262ctルース Sale price¥19,800

[On sale from 10pm on 4/20] Brazilian Paraiba Tourmaline 0.229ct loose stone (CuO: 0.6%, MnO: 1.0%) Sale price¥35,800

[On sale from 22:00 on 4/21] Tanzanian Kornerupine (prismatine) 0.276ct loose stone, Japan-Germany Exchange Sale price¥39,800

[On sale from 22:00 on 4/21] Tanzanian Kornerupine (prismatine) 0.413ct loose stone, Japan-Germany Exchange Sale price¥39,800

[On sale at 10pm on 4/20] Sri Lankan bicolor sapphire 0.193ct loose stone Sale price¥12,800

[On sale at 10pm on 4/20] Sri Lankan bicolor sapphire 0.148ct loose stone Sale price¥9,800

[On sale at 22:00 on 4/20] Sri Lankan bicolor sapphire 0.244ct loose stone Sale price¥12,800

ブラジル産パライバトルマリン 3.1mm/0.151ctルース（CuO:1.1%、MnO:3.8%）

[On sale from 10pm on 4/19] Brazilian Paraiba Tourmaline 3.1mm/0.151ct loose stone (CuO:1.1%, MnO:3.8%) Sale price¥29,800

ブラジル産パライバトルマリン 0.166ctルース（CuO:0.7%、MnO:3.6%）

[On sale from 10pm on 4/19] Brazilian Paraiba Tourmaline 0.166ct loose stone (CuO: 0.7%, MnO: 3.6%) Sale price¥22,800

[On sale at 22:00 on 4/19] Brazilian bicolor pink euclase 0.310ct loose stone, Nikko Kan Sale price¥128,000

[On sale 4/18 at 10pm] Russian Demantoid Garnet (Horsetail certified) 3.0mm/0.145ct loose stone Sale price¥25,800

[On sale at 10pm on 4/5] Diamond 0.215ct loose (rose cut) Sale price¥15,800

ブラジル産パライバトルマリン 0.173ctルース（CuO:1.9%、MnO:1.0%）

[On sale 4/4 at 10pm] Brazilian Paraiba Tourmaline 0.173ct loose stone (CuO: 1.9%, MnO: 1.0%) Sale price¥158,000

[On sale at 22:00 on 3/29] Parasite Peridot (Parasitetic Peridot) 0.172ct Loose Stone Sale price¥98,000

[On sale 3/23 at 10pm] Indian Alexandrite Cat's Eye 0.449ct Loose Stone Sale price¥9,800

[On sale 3/13 at 22:00] Madagascar Petzotite Cat's Eye 0.323ct Loose Stone Sale price¥22,800

[On sale 3/3 at 22:00] Madagascar Pezzottaite Cat's Eye 0.393ct Loose Stone Sale price¥29,800

[On sale 3/2 at 10pm] Colombian Trapiche Emerald 0.221ct loose stone Sale price¥18,800

[On sale 3/2 at 22:00] Myanmar purple spinel 0.311ct loose stone Sale price¥8,800

[On sale 3/2 at 22:00] Blue beryl (Mashish beryl) 0.172ct loose stone Sale price¥8,800

ブラジル産パライバトルマリン 0.114ct《エイトリータ》ルース（CuO:1.8%、MnO:0.8%）

Brazilian Paraiba Tourmaline 0.114ct "Eitrea" loose stone (CuO: 1.8%, MnO: 0.8%) Sale price¥98,000

Myanmar Color Change Zircon 3.7mm/0.323ct Loose Stone Sale price¥25,800

Zimbabwe Bicolor Euclase 0.405ct Loose Stone by Nikkei Sale price¥298,000

Myanmar Podretteite 0.407ct loose stone [Gemstone Encyclopedia] Sale price¥128,000

Colombian Trapiche Emerald 0.317ct Rough Stone Sale price¥29,800

Brazilian Pink Tourmaline 0.331ct Loose Stone Sale price¥8,800

Colombian Trapiche Emerald 0.338ct Loose Sale price¥18,800

Pakistani Oil in Quartz 0.442ct Loose Stone Sale price¥9,800

Brazilian Alexandrite 0.128ct loose stone Sale price¥25,800

Tanzanian Cobalt Spinel 0.458ct Loose Stone, Japan-German Index [Featured in the Gemstone Encyclopedia] Sale price¥79,800

Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.441ct Loose Stone Sale price¥22,800

Blue sapphire 4.1mm/0.323ct loose stone Sale price¥9,800

Blue sapphire 3.9mm/0.279ct loose stone Sale price¥9,800

Blue sapphire 3.9mm/0.260ct loose stone Sale price¥8,800

Blue sapphire 4.0mm/0.269ct loose stone Sale price¥8,800

Madagascar pink sapphire 0.335ct loose stone Sale price¥14,800

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