Skip to content

《Products eligible for multiple purchase discount》

If you purchase two or more products that have "Multiple purchase discount available" in the product title, a discount will be applied to the total price of the eligible products.
・If you purchase 2 items, you will receive a 1,000 yen discount on the total amount.
・If you purchase 3 items, you will receive a 1,500 yen discount on the total.
・If you purchase 4 items, you will receive a 2,000 yen discount on the total.

《Multiple purchase discount available》 If the products are the same, you can get a discount even if you combine different products and buy 2 or more products.

Sort by

Sold out Limited to 17 stones, 1 loose Sugilite stone from South Africa, multiple purchase discounts available
Sold out Limited to 8 stones: Ethiopian black opal (heat-treated, identification instructions included, average 2ct, approx. 11x8mm) 1 loose stone (multiple purchase discounts available)
Sold out Gem gacha cut by Shimizu Kiseki and Yoichi Fukazawa 💎 {Multiple purchase discounts available} {Halloween specials included}
Sold out Limited to 12 stones: August birthstone sardonyx (16 x 12 mm) 1 loose stone. Discounts available for multiple purchases.
Sold out Limited to 20 stones, Brazilian dendritic quartz, 1 loose stone, multiple purchase discounts available
Sold out Limited to 12 stones, Pakistani oil in quartz, moving bubbles, 1 loose stone, multiple purchase discounts available
Sold out Limited to 18 stones, Russian Phenakite rough, average 2.7ct, 1 stone, multiple purchase discounts available
Sold out Limited to 25 stones: Brazilian Paraiba Tourmaline (including bicolor, Batalha) rough stones, average size 0.1ct. Discounts for multiple purchases available.
Sold out Oregon Sunstone from America with beautiful Schiller (Oval Cut, 5×7mm) {Multiple purchase discounts available}
Sold out Limited to 6 stones: Brazilian Medusa Quartz (Paraiba Quartz) cat cut 1 stone loose (6mm) Multiple purchase discount available
Sold out Zimbabwean Blue Apatite, UV Type, 1 Stone Loose {Multiple Purchase Discounts Available}
Sold out Limited to 7 stones: 1 loose Sri Lankan spinel (lozenge cut) stone. Discounts available for multiple purchases.
Sold out Limited to 4 stones: 1 Brazilian Alexandrite loose stone (rose cut, 3.3mm/average 0.13ct) Multiple purchase discounts available
Sold out Limited to 15 stones: Mozambique aquamarine rough + 2 loose stones set. Discounts available for multiple purchases.
Sold out Set of 2 blue apatite stones from Madagascar (rough stone + loose stone) {Multiple purchase discounts available}
Sold out Limited Quantity: 2mm Benitoite (Top Quality Ice Blue) (Multiple Purchase Discounts Available)
Sold out Lab-grown ice blue diamond set of two (synthetic diamond, VS class equivalent, 1mm) {Multiple purchase discount available}
Sold out Limited to 17 stones: 1 loose Afghanite stone from Afghanistan. Discounts available for multiple purchases.
Sold out Limited to 10 stones: Madagascar Andesine Labradorite (Pink Schiller) 1 loose stone (Multiple purchase discounts available)
Sold out Brazilian rutilated quartz (rutile/rutilated quartz (rutilated quartz)) 1 loose stone (3.0-3.5mm, for beginners) {Multiple purchase discounts available}
Sold out Limited time sale: Tibetan Andesine 1 stone (3mm, round cut) Multiple purchase discounts available
Sold out Limited to 6 stones: 1 topaz rough stone (November birthstone) Multiple purchase discounts available
Sold out [Limited to 24 stones] Tourmaline Gacha💎Indigolite tourmaline, clover cut, and other single loose stones {Multiple purchase discounts available}
Sold out Limited to 10 stones Mexican Cantera Opal 1 loose stone (10 x 8 cm) Multiple purchase discounts available
Sold out American Anthill Garnet (Chrome Pyrope Garnet) 1 Stone Loose (Princess Cut, 2.5mm) {Multiple Purchase Discounts Available}
Sold out Limited to 9 stones [Mr. Sanjay] Oil in quartz, spinel, yellow opal 1 loose stone (damaged) [Multiple purchase discount available]
Sold out ネパール産オーシャンブルーカイヤナイト+ブルーカイヤナイト2石セット《複数購入割引有》
Sold out 《限定17石》イギリス・ロジェリー産フローライト1石ルース《複数購入割引有》
Sold out ブラジル産アレキサンドライト・ムーンストーン2石セット(6月誕生石セット)《複数購入割引有》
Sold out 《Limited to 8 stones》 [Mr. Sanjay] Hackmanite or Sodalite 1 stone loose (maximum 3.63 ct)《Multiple purchase discount available》
Sold out Lab-grown pink diamond (2mm, synthetic pink diamond, about Fancy Light Pink) 1 stone loose (multiple purchase discount available)
Sold out Lab-grown pink diamond (2mm, synthetic pink diamond, about Fancy Intense Pink) 1 stone loose (multiple purchase discount available)
Sold out Lab-grown pink diamond (2mm, synthetic pink diamond, about Fancy Vivid Pink) 1 stone loose (multiple purchase discount available)
Sold out Raw peridot + 2 loose stones set (August birthstone)《Discount available for multiple purchases》
Sold out Afghanite 1 stone loose from Afghanistan《Discount available for multiple purchases》
Sold out 《Limited to 7 stones》1 stone tourmaline in quartz from Sri Lanka loose (8-9mm, octagonal cut)《Multiple purchase discount available》
Sold out 《Limited to 16 stones》1 tanzanite stone (octagonal cut, 3.0mm)《Multiple purchase discount available》
Sold out Let's try the gem mining experience "Do-it-yourself gem excavation experience set" + bonus of fossil stickers and simple black light (more than 8 types of gems) (discounts available for multiple purchases)
Sold out Brazilian Paraiba Tourmaline (1.0mm, top quality)《Multiple purchase discount available》
Sold out グリーンランド産アイスルビー 1石(ハートシェイプ,4mm,ピンクサファイア)《複数購入割引有》
Sold out タンザニア産イリュージョンサンストーン1石ルース(6mm)《複数購入割引有》
Sold out Dragon Garnet 1 stone (3.0mm, round cut)《Discount available for multiple purchases》
Sold out スコロライト1石ルース(8mm,コンケーブカット)《複数購入割引有》
Sold out Dragon Garnet 2-Stone Set (2.0mm, Round Cut) "Multiple Purchase Discount Available"
Sold out Russian demantoid garnet (2mm, round cut) 1 stone (discount available for multiple purchases)
Sold out Malachite 2-Stone Set Loose (6×8mm, Pear-Shape Cut) 《Multi-buy discount available》
Sold out Malachite 2 stone set loose (6mm, cushion cut)《Discount available for multiple purchases》
Sold out 1 rose cut diamond (VS-SI class equivalent, 3.0mm)《Multiple purchase discount available》

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.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.