Login

《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 Brazilian Rainbow Aquamarine Loose Stone (Iridescent Aquamarine) (Multiple Purchase Discounts Available)

Brazilian Rainbow Aquamarine Loose Stone (Iridescent Aquamarine) (Multiple Purchase Discounts Available)
Sold out Limited to 9 stones: One loose Brazilian rainbow aquamarine (oval cut, average 0.8 carats) [Multiple purchase discounts available]

Limited to 9 stones: One loose Brazilian rainbow aquamarine (oval cut, average 0.8 carats) [Multiple purchase discounts available]
Sold out Limited to 10 stones: One loose Brazilian Santa Maria aquamarine stone. Discounts available for multiple purchases.

Limited to 10 stones: One loose Brazilian Santa Maria aquamarine stone. Discounts available for multiple purchases.
Sold out Limited to 7 stones: One loose Brazilian Santa Maria aquamarine stone. Discounts available for multiple purchases.

Limited to 7 stones: One loose Brazilian Santa Maria aquamarine stone. Discounts available for multiple purchases.
Sold out Limited to 9 stones: 1 Spinel Gacha (August birthstone) including 1 bicolor spinel (0.93 ct) (Multiple purchase discounts available)

Limited to 9 stones: 1 Spinel Gacha (August birthstone) including 1 bicolor spinel (0.93 ct) (Multiple purchase discounts available)

Sold out Limited to 5 stones: Pentagon Cut Gacha (Sphene, Sunstone, Emerald, etc.) 1 loose stone (Multiple purchase discounts available)

Limited to 5 stones: Pentagon Cut Gacha (Sphene, Sunstone, Emerald, etc.) 1 loose stone (Multiple purchase discounts available)
Sold out Limited to 2 stones: 1 Nigerian Cobalt Garnite stone (Multiple purchase discounts available)

Limited to 2 stones: 1 Nigerian Cobalt Garnite stone (Multiple purchase discounts available)
Sold out Gemstone Gacha💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires (Multiple Purchase Discounts Available)

Gemstone Gacha💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires (Multiple Purchase Discounts Available)
Sold out Limited to 6 stones: 1 loose sphene from Zimbabwe (multiple purchase discounts available)

Limited to 6 stones: 1 loose sphene from Zimbabwe (multiple purchase discounts available)
Sold out Brazilian Rainbow Aquamarine (Iridescent Aquamarine) Loose Stone (Heart Shape) (Multiple Purchase Discounts Available)

Brazilian Rainbow Aquamarine (Iridescent Aquamarine) Loose Stone (Heart Shape) (Multiple Purchase Discounts Available)
Sold out Limited to 6 stones: 1 loose canary yellow tourmaline from Mozambique. Discounts available for multiple purchases.

Limited to 6 stones: 1 loose canary yellow tourmaline from Mozambique. Discounts available for multiple purchases.

Sold out Limited to 8 stones: 1 Sri Lankan star sapphire loose stone (5mm, round cabochon cut) Multiple purchase discounts available

Limited to 8 stones: 1 Sri Lankan star sapphire loose stone (5mm, round cabochon cut) Multiple purchase discounts available
Sold out Limited to 4 stones: 1 bicolor grossular garnet from Tanzania (multiple purchase discounts available)

Limited to 4 stones: 1 bicolor grossular garnet from Tanzania (multiple purchase discounts available)

Sold out 1 Russian Alexandrite loose stone (round cut, 1.3-1.6mm) {Multiple purchase discount available}

1 Russian Alexandrite loose stone (round cut, 1.3-1.6mm) {Multiple purchase discount available}
Sold out Limited to 2 stones Mosaic opal 1 loose stone Multiple purchase discount available

Limited to 2 stones Mosaic opal 1 loose stone Multiple purchase discount available
Sold out Kyanite from Nepal, 1 loose stone (indigo blue color, 4 x 6 mm, emerald cut) {Multiple purchase discount available}

Kyanite from Nepal, 1 loose stone (indigo blue color, 4 x 6 mm, emerald cut) {Multiple purchase discount available}
Sold out [Limited to 8 stones] Jam Gacha💎 1 Rainbow Garnet stone (January birthstone) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]

[Limited to 8 stones] Jam Gacha💎 1 Rainbow Garnet stone (January birthstone) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]
Sold out Limited quantity: Mozambique grape garnet, 1 loose stone (4 x 6 mm, pear-shaped cut) Multiple purchase discounts available

Limited quantity: Mozambique grape garnet, 1 loose stone (4 x 6 mm, pear-shaped cut) Multiple purchase discounts available
Sold out Limited to 7 stones! May birthstone special offer! Colombian emerald cat's eye, 1 loose stone (highly transparent cat's eye) Multiple purchase discounts available

Limited to 7 stones! May birthstone special offer! Colombian emerald cat's eye, 1 loose stone (highly transparent cat's eye) Multiple purchase discounts available
Sold out Limited to 4 stones: 1 Brazilian white topaz loose stone (average 2.1 carats) Multiple purchase discounts available

Limited to 4 stones: 1 Brazilian white topaz loose stone (average 2.1 carats) Multiple purchase discounts available
Sold out Limited to 13 stones Gem gacha💎 Beautiful colored tanzanite 7mm, special cut sphene, heliodor (lots of inclusions) 1 loose stone Multiple purchase discounts available

Limited to 13 stones Gem gacha💎 Beautiful colored tanzanite 7mm, special cut sphene, heliodor (lots of inclusions) 1 loose stone Multiple purchase discounts available
Sold out [On sale from 10pm on 5/5] Limited to 11 stones Russian Demantoid Garnet (2-2.3mm, round cut, with horsetail) 1 stone [Multiple purchase discounts available]

[On sale from 10pm on 5/5] Limited to 11 stones Russian Demantoid Garnet (2-2.3mm, round cut, with horsetail) 1 stone [Multiple purchase discounts available]
Sold out Limited to 5 stones: 1 Indian Iolite Sunstone (impregnated) loose stone (average 6.6 carats, cabochon cut) Multiple purchase discounts available

Limited to 5 stones: 1 Indian Iolite Sunstone (impregnated) loose stone (average 6.6 carats, cabochon cut) Multiple purchase discounts available
Sold out Limited to 15 stones Apatite Gacha💎 Zimbabwean apatite, purple apatite, etc. 1 loose stone (with defects) Multiple purchase discounts available

Limited to 15 stones Apatite Gacha💎 Zimbabwean apatite, purple apatite, etc. 1 loose stone (with defects) Multiple purchase discounts available
Sold out Limited to 9 stones: 1 colorless apatite loose stone from Madagascar (average 0.30ct, many inclusions) Multiple purchase discounts available

Limited to 9 stones: 1 colorless apatite loose stone from Madagascar (average 0.30ct, many inclusions) Multiple purchase discounts available
Sold out Limited to 5 stones: 1 colorless apatite loose stone from Madagascar (all stones come with identification certificate, average 0.40ct) Discounts for multiple purchases available

Limited to 5 stones: 1 colorless apatite loose stone from Madagascar (all stones come with identification certificate, average 0.40ct) Discounts for multiple purchases available
Sold out Limited to 6 stones: 1 loose sphene stone from Madagascar (round cut, 4mm) Multiple purchase discounts available

Limited to 6 stones: 1 loose sphene stone from Madagascar (round cut, 4mm) Multiple purchase discounts available
Sold out [Limited to 7 stones] Gem gacha💎 Australian opal or Mexican cantera opal 1 loose stone (with defects) [Multiple purchase discount available]

[Limited to 7 stones] Gem gacha💎 Australian opal or Mexican cantera opal 1 loose stone (with defects) [Multiple purchase discount available]
Sold out Limited to 2 stones: 1 Australian opal loose stone (pear cut) Multiple purchase discounts available

Limited to 2 stones: 1 Australian opal loose stone (pear cut) Multiple purchase discounts available
Sold out Limited to 7 stones: 1 Hokkaido rhodochrosite loose stone (4mm, rose cut) Multiple purchase discounts available

Limited to 7 stones: 1 Hokkaido rhodochrosite loose stone (4mm, rose cut) Multiple purchase discounts available
Sold out Limited to 3 stones: Brazilian Trapiche Amethyst (with mother rock) 1 loose stone (average 33ct, February birthstone) Multiple purchase discounts available

Limited to 3 stones: Brazilian Trapiche Amethyst (with mother rock) 1 loose stone (average 33ct, February birthstone) Multiple purchase discounts available
Sold out Limited to 5 stones: 1 Mexican Hyalite Opal loose stone (average 0.5ct) Multiple purchase discounts available

Limited to 5 stones: 1 Mexican Hyalite Opal loose stone (average 0.5ct) Multiple purchase discounts available
Sold out Limited to 9 stones: 1 Afghan Lazurite in Sodalite loose stone (faceted cut, average 0.45ct) Multiple purchase discounts available

Limited to 9 stones: 1 Afghan Lazurite in Sodalite loose stone (faceted cut, average 0.45ct) Multiple purchase discounts available
Sold out Limited to 9 stones: 1 Tanzanian purple zoisite (purple tanzanite) loose stone (4mm, round cut) Multiple purchase discounts available

Limited to 9 stones: 1 Tanzanian purple zoisite (purple tanzanite) loose stone (4mm, round cut) Multiple purchase discounts available
Sold out Limited to 21 stones: 1 loose stone of Spanish sphalerite (faceted cut, average 0.60ct) Multiple purchase discounts available

Limited to 21 stones: 1 loose stone of Spanish sphalerite (faceted cut, average 0.60ct) Multiple purchase discounts available
Sold out Limited to 13 stones: 1 red spinel rough stone from Myanmar. Discounts available for multiple purchases.

Limited to 13 stones: 1 red spinel rough stone from Myanmar. Discounts available for multiple purchases.
Sold out Limited to 8 stones: 1 red spinel rough stone from Myanmar. Discounts available for multiple purchases.

Limited to 8 stones: 1 red spinel rough stone from Myanmar. Discounts available for multiple purchases.
Sold out Limited to 12 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.0mm) Multiple purchase discounts available

Limited to 12 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.0mm) Multiple purchase discounts available
Sold out Limited to 5 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.3mm) Multiple purchase discounts available

Limited to 5 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.3mm) Multiple purchase discounts available
Sold out Brazilian unheated Imperial Topaz 1 stone loose stone {Multiple purchase discount available}

Brazilian unheated Imperial Topaz 1 stone loose stone {Multiple purchase discount available}
Sold out Pezzottaite from Madagascar, 1 loose stone (2.1mm, round cut) {Multiple purchase discount available}

Pezzottaite from Madagascar, 1 loose stone (2.1mm, round cut) {Multiple purchase discount available}
Sold out Set of 2 Tanzanite stones from Tanzania (2mm, round cut) {Multiple purchase discount available}

Set of 2 Tanzanite stones from Tanzania (2mm, round cut) {Multiple purchase discount available}
Sold out Limited to 10 stones: 1 petzotite loose stone from Madagascar (2mm, round cut) Multiple purchase discounts available

Limited to 10 stones: 1 petzotite loose stone from Madagascar (2mm, round cut) Multiple purchase discounts available
Sold out Limited to 10 stones: 1 London blue diamond loose (VS-SI class equivalent, 1.8mm) Multiple purchase discounts available

Limited to 10 stones: 1 London blue diamond loose (VS-SI class equivalent, 1.8mm) Multiple purchase discounts available
Sold out Limited to 9 stones: 1 London Blue Diamond Loose (VS-SI class equivalent, 2.0mm) Multiple purchase discounts available

Limited to 9 stones: 1 London Blue Diamond Loose (VS-SI class equivalent, 2.0mm) Multiple purchase discounts available
Sold out [Limited to 7 stones] Oregon Sunstone from the United States (cabochon cut, average 1.5ct) [Multiple purchase discount available]

[Limited to 7 stones] Oregon Sunstone from the United States (cabochon cut, average 1.5ct) [Multiple purchase discount available]
Sold out Limited to 3 stones: 1 neon blue apatite loose stone from Madagascar (Sangé cut) Multiple purchase discounts available

Limited to 3 stones: 1 neon blue apatite loose stone from Madagascar (Sangé cut) Multiple purchase discounts available
Sold out Limited to 15 stones, 1 loose Australian iron opal stone, multiple purchase discounts available

Limited to 15 stones, 1 loose Australian iron opal stone, multiple purchase discounts 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.