New stock

Limited to 18 stones: YAG (Yttrium Aluminum Garnet) 1 loose stone (Canary Yellow, 4mm) Multiple purchase discounts available Sale price¥2,980

Top Quality: Brazilian Alexandrite 1 Stone Loose (2.0mm, Hematita Mine) Multiple Purchase Discounts Available Sale price¥9,800

Top Quality: Brazilian Alexandrite 1 Stone Loose (2.2mm, Hematita Mine) Multiple Purchase Discounts Available Sale price¥11,000

Limited to 7 stones: 1 loose Australian boulder opal (average 25 carats) Multiple purchase discounts available Sale price¥8,800

《17色》宝石ガチャガチャ💎新作モアッサナイト6.5mm（H&C ハート＆キューピッド）💎《複数購入割引有》 - カラッツSTORE

[10/4 22:00 Sale [《17 colors》Gem Gacha💎Synthetic Moissanite 1 stone loose (H&C Heart & Cupid, 6.5mm)💎《Multiple purchase discount available》 Sale price¥5,980

Brazilian emerald 1844ct rough stone Sale price¥39,800

{For beginners} Gem gacha💎 1 loose gemstone (Chrome tourmaline, Mahenge spinel, etc.) cut by Sri Lankan craftsman Sanjay {Multiple purchase discounts available} Sale price¥3,980

《Yurakucho Marui 2024112 takeout》 Padparadscha sapphire 0.548ct loose DGL Sale price¥49,800

《Yurakucho Marui 2024112 takeout》【10/2 22:00 sale】Diamond 0.171ct loose (E, VS2) Sale price¥35,800

《Yurakucho Marui 2024112 takeout》【10/2 22:00 sale】Diamond 2.7mm/0.074ct loose (D, SI1) Sale price¥19,800

《Yurakucho Marui 2024112 takeout》K18PG unheated Brazilian Paraiba tourmaline 0.10ct ring AIGS Sale price¥228,000

《Yurakucho Marui 2024112 takeout》K18YG Madagascar Padparadscha Sapphire 0.372ct Ruby Pendant (Necklace) Medium Treasure Mirror Sale price¥69,800

《Yurakucho Marui 2024112 takeout》K18YG Brazilian Paraiba Tourmaline 0.30ct Diamond Ring GIA Sale price¥198,000

《Yurakucho Marui 2024112 Takeout》K18YG Unheated Padparadscha Sapphire 0.61ct, Ruby, Blue Sapphire Ring GIA Sale price¥198,000

"Yurakucho Marui 2024112 Carry-out" Pt950 American orange benitoite 0.072ct benitoite ring Sale price¥158,000

"Yurakucho Marui 2024112 Carry-out" Pt950 American orange benitoite 0.076ct benitoite ring Sale price¥98,000

"Yurakucho Marui 2024112" Pt950 Brazilian Paraiba Tourmaline 0.201ct Pendant (Necklace) Sale price¥128,000

《Yurakucho Marui 2024112 takeout》K18PG Sri Lankan yellow sapphire 0.31ct green garnet ring Sale price¥89,800

《Yurakucho Marui 2024112 take-out》K18PG American benitoite 0.19ct tanzanite ring Sale price¥98,000

《Yurakucho Marui 2024112》K18YG Pink Diamond 0.068ct Ring (FANCY LIGHT PINK, SI-2) Sale price¥128,000

《Yurakucho Marui 2024112 Takeout》K18YG Sri Lankan chrysoberyl cat's eye 0.69ct chrysoprase ring Sale price¥79,800

《Yurakucho Marui 2024112 takeout》K18YG Brazilian Paraiba Tourmaline 0.203ct Pink Diamond Ring Sale price¥98,000

American Benitoite 1.8mm/0.159ct loose stone (gradation) Sale price¥39,800

Brazilian Imperial Topaz 0.377ct Loose Stone Sale price¥14,800

Indian Moss Agate 0.755ct Loose Stone Sale price¥7,980

Indian Moss Agate 0.663ct Loose Stone Sale price¥8,800

Indian Moss Agate 0.860ct Loose Stone Sale price¥8,800

Indian Moss Agate 0.943ct Loose Stone Sale price¥8,800

Indian Moss Agate 1.182ct Loose Stone Sale price¥11,800

Indian Moss Agate 1.434ct Loose Stone Sale price¥12,800

Brazilian Lepidocrocite in Quartz 0.721ct Loose Stone Sale price¥14,800

Brazilian Lepidocrocite in Quartz 0.484ct Loose Stone Sale price¥9,800

Brazilian Lepidocrocite in Quartz 0.957ct Loose Stone Sale price¥15,800

Tourmaline 0.541ct loose stone Sale price¥8,800

Brazilian Tourmaline 0.858ct Loose Stone Sale price¥15,800

Brazilian bicolor tourmaline 0.326ct loose stone Sale price¥8,800

Brazilian Pink Tourmaline 0.538ct Loose Stone Sale price¥8,800

Brazilian pink tourmaline 0.844ct loose stone Sale price¥22,800

Brazilian Pink Tourmaline 0.855ct Loose Stone Sale price¥14,800

Cambodian Blue Zircon 1.606ct Loose Sale price¥18,800

Brazilian Swiss Blue Topaz 2.449ct Loose Stone Sale price¥12,800

Brazilian Sky Blue Topaz 5.246ct Loose Stone Sale price¥18,800

《Yurakucho Marui 2024112 takeout》Brazilian Sky Blue Topaz 1.604ct Loose Sale price¥9,800

Brazilian Brown Tourmaline 1.529ct Loose Stone Sale price¥14,800

Brazilian Green Tourmaline 1.166ct Loose Stone Sale price¥19,800

Brazilian Green Tourmaline 1.059ct Loose Stone Sale price¥16,800

Brazilian pink tourmaline 0.711ct loose stone Sale price¥15,800

Brazilian Pink Tourmaline 0.628ct Loose Stone Sale price¥15,800

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