green/green gems

There are a variety of green and green-toned gemstones, including emerald, jade, peridot, demantoid garnet, diopside, and green tourmaline. Even if the colors are similar, highly transparent gemstones and opaque gemstones give a very different impression. The atmosphere also varies depending on the saturation, brightness, and cut.

Karatz Gem Magazine
" 10 Green Gems "

Colombian oil-free emerald 0.310ct loose stone Sale price¥298,000

Brazilian alexandrite 0.061ct loose Sale price¥12,800

Brazilian alexandrite 0.058ct loose Sale price¥12,800

Brazilian alexandrite 0.051ct loose Sale price¥11,000

Brazilian alexandrite 0.060ct loose Sale price¥12,800

ロシア産デマントイドガーネットキャッツアイ（ホーステール認む） 0.194ctルース

Russian Demantoid Garnet (Horsetail) 2.9mm/0.194ct Loose Stone Sale price¥29,800

Kenyan Tsavorite 0.379ct loose stone Sale price¥35,800

Green tourmaline 0.621ct loose stone Sale price¥9,800

Green tourmaline 0.457ct loose stone Sale price¥9,800

Synthetic Moissanite 7.999ct loose stone Sale price¥39,800

Nigerian Star Enstatite 0.880ct Loose Stone Sale price¥14,800

Synthetic Moissanite 8.931ct loose stone Sale price¥55,800

Tanzanian Kornerupine Cat's Eye 1.331ct Loose Stone Sale price¥7,980

Afghanistan indigolite tourmaline 1.732ct loose stone Sale price¥15,800

Afghanistan indigolite tourmaline 1.729ct loose stone Sale price¥15,800

Afghanistan indigolite tourmaline 1.264ct loose stone Sale price¥12,800

Green Sapphire 0.299ct Loose (Silky Sapphire) Sale price¥3,980

Tanzanian Kornerupine Cat's Eye 0.986ct Loose Stone Sale price¥6,980

Moss agate 1.285ct loose stone Sale price¥6,980

Green tourmaline 0.090ct loose stone Sale price¥6,980

Moss agate 0.795ct loose stone Sale price¥7,980

Moss agate 0.720ct loose stone Sale price¥7,980

Green tourmaline 0.637ct loose Sale price¥8,800

【甲州貴石切子plusthree】グリーンクォーツ 6mm/0.714ctルースワッペン付

[Koshu Precious Stones Plusthree] Green Quartz 6mm/0.714ct Loose Stone with Patch Sale price¥25,800

Kenyan chrome tourmaline 0.501ct loose stone Sale price¥49,800

Moss Agate 1.056ct loose Sale price¥9,800

Moss Agate 0.771ct loose Sale price¥6,980

Moss Agate 1.115ct loose Sale price¥8,800

Tanzania Zoisite 0.278ct loose stone Sale price¥8,800

[Clover in cut] Emerald 9mm/2.498ct {Collaboration} Loose with patch Sale price¥98,000

[Koshu precious stone cutter pluethree] Colombian emerald 2.018ct loose Sale price¥98,000

Russian demantoid garnet (horsetail recognized) 3.3mm/0.187ct loose Sale price¥69,800

Russian demantoid garnet (horsetail recognized) 0.119ct loose Sale price¥29,800

Russian demantoid garnet (horsetail recognized) 0.141ct loose Sale price¥39,800

[Koshu Precious Stones plusthree] Green Quartz 6mm/0.743ct Loose with Patch Sale price¥25,800

Tanzanian Kornerupine Cat's Eye 0.866ct Loose Stone Sale price¥5,980

Tanzanian Kornerupine Cat's Eye 0.725ct Loose Stone Sale price¥4,980

Tanzanian Kornerupine Cat's Eye 1.539ct Loose Stone Sale price¥9,800

Montana Sapphire 0.259ct loose (bicolor sapphire) Sale price¥9,800

Montana Sapphire 0.458ct Loose (Bi-Color Sapphire) Sale price¥14,800

Montana Sapphire 0.397ct loose (bicolor sapphire) Sale price¥15,800

Montana Sapphire 0.449ct loose (bicolor sapphire) Sale price¥17,800

Indian alexandrite cat's eye 0.679ct loose Sale price¥8,800

Indian alexandrite cat's eye 0.422ct loose Sale price¥12,800

coming soon

[12560198] American Peridot 0.423ct Loose Stone Sale price¥6,980

Sold out

[On Sale at 10 PM on August 11th] Brazilian Green Spodumene 1.134ct Loose Stone

Sold out

[On sale from 10pm on August 11th] Brazilian Green Beryl 0.217ct Loose Stone

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.