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About KARATZ
Five points of emphasis
KARATZ's thoughts
Initiatives and social contributions
The secret behind our low prices
Jewelry buying trips around the world
The never-ending quest for jewellery brilliance
The journey from purchase to listing
Our passion for original jewelry
[Choose from stones] Made to order (all products)
About KARATZ's custom-made products
Simple Order
Semi-custom
half eternity ring set
Great value set of loose stones and setting
Custom-made examples
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colored stone loose
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Given
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Today's new arrivals
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[Until 2024/12/5] Gemstone Identification Guidebook (Not available for purchase separately; gift for purchases of 3,000 yen or more)
Sale price
¥0
[Sakura Shape Jewelry] Hanakoromo (Ring/Silver)
Sale price
¥25,800
[Sakura Shape Jewelry] Hanakoromo (Ring/Pt950, K18)
Sale price
From ¥79,800
[Sakura Shape Jewelry] Hanayurara (Vatican Necklace)
Sale price
From ¥22,800
[Sakura Shape Jewelry] Hanaboshi (double hanging necklace)
Sale price
From ¥24,800
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【12/24 22時販売】マダガスカル産パープルサファイア 0.429ctルース
Sale price
¥12,800
coming soon
【12/24 22時販売】マダガスカル産パープルサファイア 0.440ctルース
Sale price
¥18,800
coming soon
【12/24 22時販売】クリソプレーズ 2.959ctルース
Sale price
¥8,800
Kenyan Gold Sheen Sapphire 0.298ct Loose
Sale price
¥12,800
coming soon
【12/24 22時販売】ミャンマー産カラーチェンジジルコン 0.312ctルース
Sale price
¥25,800
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List of new arrivals
Popularity ranking with many favorites
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【12/16 22時販売】ブラジル産クリソベリルキャッツアイ 1.356ctルース
Sale price
¥6,980
【12/19 22時販売】ドイツ産アウイナイト 0.117ctルース
Sale price
¥25,800
【12/21 22時販売】南アフリカ産ロードクロサイト 0.457ctルース
Sale price
¥45,800
【12/21 22時販売】カシャライアメジスト 0.756ctルース
Sale price
¥8,800
【12/21 22時販売】ダイヤモンド原石(ソーヤブル) 0.083ctルース
Sale price
¥16,800
【12/21 22時販売】タンザニア産カラーチェンジガーネット (アレキタイプ) 0.767ctルース
Sale price
¥29,800
【12/16 22時販売】タンザニア産ロードライトガーネット 0.649ctルース
Sale price
¥8,800
【12/21 22時販売】タンザニア産ロードライトガーネット 0.573ctルース
Sale price
¥6,980
【12/16 22時販売】タンザニア産ロードライトガーネット 0.699ctルース
Sale price
¥8,800
【12/16 22時販売】マダガスカル産アクアマリン 0.546ctルース
Sale price
¥8,800
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List of new arrivals
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Benitoite 0.286ct loose
Sale price
¥178,000
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price
¥98,000
[On sale at 10pm on 10/23] Brazilian Lazurite (Azurite) 0.200ct Loose Stone, Nikko Kan
Sale price
¥88,800
Paraiba tourmaline from Brazil 0.219ct loose (CuO:0.9%,MnO:0.2%)
Sale price
¥88,800
Spanish bicolor sphalerite 6.230ct loose
Sale price
¥79,800
Cambodian blue zircon (Ratanakiri blue) 3.449ct loose
Sale price
¥69,800
Particolor Paraiba tourmaline from Brazil 0.156ct loose (CuO:2.3%, MnO:2.6%)
Sale price
¥69,800
FANCY VIVID ORANGY YELLOW, SI-2
Sale price
¥59,800
Russian demantoid garnet (horsetail recognized) 0.310ct loose
Sale price
¥59,800
Wurzite 0.224ct loose Japanese-German book
Sale price
¥55,800
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