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oil-free emerald

Due to their nature, emeralds have many internal scratches and inclusions, so they are generally impregnated with a clarifying agent.
Oil-free emeralds are emeralds that do not require impregnation and are beautiful even when untreated, and are highly valued and rare.
Emerald is the birthstone of May.

Karatz GemMagazine
" Non-oil emerald "

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コロンビア産ノンオイルエメラルド 4.1mm/0.240ctルース GIA

[Lottery Sale 0629_08] Colombian Non-Oil Emerald 4.1mm/0.240ct Loose GIA Sale price¥458,000
コロンビア産ノンオイルエメラルド 1.760ctルース

【#202607 Akihabara Pop-up Store - Currently at Offsite Location】【Shinjuku Marui Annex 202605 Offsite Location】Lottery Sale 11【For Winners Only】【Published on 12559975】Colombian Non-Oil Emerald 1.760ct Loose GIA Sale price¥1,580,000
Single loose Russian oil-free emerald (1.6-1.7mm, princess cut) {Multiple purchase discounts available}

Single loose Russian oil-free emerald (1.6-1.7mm, princess cut) {Multiple purchase discounts available} Sale price¥9,800
ロシア産ノンオイルエメラルド 0.570ctルース

Russian oil-free emerald 0.570ct loose stone GIA Sale price¥298,000
ノンオイルエメラルド 1.070ctルース グベリン鑑別書

Non-Oil Emerald 1.070ct Loose Gübelin Certificate Sale price¥698,000
ノンオイルエメラルド 1.030ctルース グベリン グベリン（Gübelin）鑑別書

Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate Sale price¥698,000
Colombian oil-free emerald 0.510ct loose GIA

Colombian oil-free emerald 0.510ct loose GIA Sale price¥598,000
コロンビア産ノンオイルエメラルド 0.220ctルース

Colombian oil-free emerald 0.220ct loose GIA Sale price¥248,000
ブラジル産ノンオイルエメラルド 0.120ctルース

[12551250] Brazilian oil-free emerald 0.120ct loose stone Sale price¥110,000
コロンビア産ノンオイルエメラルド 0.310ctルース

Colombian oil-free emerald 0.310ct loose stone Sale price¥298,000
ノンオイルエメラルド 1.370ctルース

Non-Oil Emerald 1.370ct Loose GIA Sale price¥1,580,000
コロンビア産ノンオイルエメラルド 0.210ctルース

0.210ct Colombian Non-Oil Emerald Loose Stone GIA Sale price¥228,000
0.060ct loose, oil-free emerald from Madagascar, GIA

0.060ct loose, oil-free emerald from Madagascar, GIA Sale price¥69,800
コロンビア産ノンオイルエメラルド 0.290ctルース GIA

Colombian oil-free emerald 0.290ct loose stone GIA Sale price¥198,000
Afghanistan Oil-Free Emerald 0.100ct Loose GIA

Afghanistan Oil-Free Emerald 0.100ct Loose GIA Sale price¥98,000
Sold out Emerald Gacha (including Emerald Cat's Eye and special cuts) featuring Russian non-oil emeralds, etc. 💎 (Multiple purchase discount available)

Emerald Gacha (including Emerald Cat's Eye and special cuts) featuring Russian non-oil emeralds, etc. 💎 (Multiple purchase discount available)
Sold out Single loose Russian oil-free emerald (2.1mm, square cut) {Multiple purchase discounts available}

Single loose Russian oil-free emerald (2.1mm, square cut) {Multiple purchase discounts available}
Sold out Limited to 7 stones: One loose, oil-free Russian emerald (1.5-1.6mm, step cut) [Multiple purchase discounts available]

Limited to 7 stones: One loose, oil-free Russian emerald (1.5-1.6mm, step cut) [Multiple purchase discounts available]

Sold out One loose, oil-free emerald from Russia (2.2mm, round cut) (Multiple purchase discounts available)

One loose, oil-free emerald from Russia (2.2mm, round cut) (Multiple purchase discounts available)

Sold out One loose, oil-free emerald from Russia (2.8mm, round cut) (Multiple purchase discounts available)

One loose, oil-free emerald from Russia (2.8mm, round cut) (Multiple purchase discounts available)
Sold out Limited to 6 stones: One loose, oil-free emerald from Russia (3.2mm, round cut) [Multiple purchase discounts available]

Limited to 6 stones: One loose, oil-free emerald from Russia (3.2mm, round cut) [Multiple purchase discounts available]
Sold out コロンビア産ノンオイルエメラルド 3.1mm/0.10ctルース GIA

Colombian oil-free emerald 3.1mm/0.10ct loose GIA

Sold out ノンオイルエメラルド 0.430ctルース 日独鑑

Oil-free emerald 0.430ct Japanese-German identification book included

Sold out ノンオイルエメラルド 0.38ctルース GIA

Oil-free emerald 0.38ct loose GIA

Sold out Colombian non-oil trapiche emerald 2.00ct loose GIA

Colombian non-oil trapiche emerald 2.00ct loose GIA

Sold out 【12523420掲載】ノンオイルエメラルド 0.200ctルース

Oil-free emerald 0.20ct loose GIA

Sold out ロシア産ノンオイルエメラルド 0.30ctルース GIA付

Russian oil-free emerald 0.30ct loose with GIA

Sold out 【12525386掲載】コロンビア産ノンオイルエメラルド 0.240ctルース

Colombian oil-free emerald 0.24ct loose with GIA

Sold out Colombian oil-free emerald 0.39ct loose GIA

Colombian oil-free emerald 0.39ct loose GIA

Sold out コロンビア産ノンオイルエメラルド 0.430ctルース

Colombian oil-free emerald 0.430ct loose with GIA

Sold out コロンビア産ノンオイルエメラルド 0.290ctルース

Colombian oil-free emerald 0.29ct loose with GIA

Sold out コロンビア産ノンオイルエメラルド 0.535ctルース

Colombian oil-free emerald 0.535ct loose Japanese-German edition
Sold out (In Stock) Lottery Sale 4 [For Winners Only] [Published on 12559711] Colombian Oil-Free Emerald 0.050ct Loose Stone (NONE) GIA

(In Stock) Lottery Sale 4 [For Winners Only] [Published on 12559711] Colombian Oil-Free Emerald 0.050ct Loose Stone (NONE) GIA
Sold out Non-Oil Emerald 0.555ct Loose Stone by Nikkei

Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sold out [Sales start 10:00 PM on May 4th] Colombian non-oil emerald (NONE) 0.060ct loose GIA

[Sales start 10:00 PM on May 4th] Colombian non-oil emerald (NONE) 0.060ct loose GIA
Sold out Colombian No-Oil Emerald 0.120ct Loose Stone GIA

Colombian No-Oil Emerald 0.120ct Loose Stone GIA
Sold out Colombian oil-free emerald 0.17ct loose GIA

Colombian oil-free emerald 0.17ct loose GIA

Sold out K18/Pt950 ノンオイルエメラルド 0.1ct リング

[On Sale 11/8 at 10 PM] K18/Pt950 Colombian Oil-Free Emerald 3.1mm/0.10ct Ring, GIA
Sold out ロシア産ノンオイルエメラルド 0.640ctルース GIA

Russian oil-free emerald 0.640ct loose GIA
Sold out コロンビア産ノンオイルエメラルド（NONE） 0.110ctルース GIA

[Posted 12548175] Colombian oil-free emerald 0.110ct loose

Sold out コロンビア産ノンオイルエメラルド 3.1mm/0.10ctルース GIA

Colombian oil-free emerald 3.1mm/0.100ct loose GIA

coming soon 【12564036掲載】ザンビア産ノンオイルエメラルド 0.540ctルース

[Lottery Sale 0812_18] Zambian Non-Oil Emerald 0.540ct Loose GIA Sale price¥188,000
coming soon [Published 12563989] Colombian Non-Oil Emerald 0.034ct Loose Stone

[Published 12563989] Colombian Non-Oil Emerald 0.034ct Loose Stone Sale price¥65,800
Sold out コロンビア産ノンオイルエメラルド 0.630ctルース GIA付（ブリオレットカット）

Colombian oil-free emerald 0.630ct loose with GIA (briolette cut, bicolor)

Sold out Pt950コロンビア産ノンオイルエメラルド0.48ct リング GIA付 - KARATZ STORE｜カラッツSTORE

Pt950 Colombian oil-free emerald 0.48ct ring with GIA

Sold out Pt950ノンオイルエメラルド0.50ct リング GIA付 - KARATZ STORE｜カラッツSTORE

Pt950 non-oil emerald 0.50ct ring with GIA

Sold out ノンオイルエメラルド 0.29ctルース GIA付 - KARATZ STORE｜カラッツSTORE

Oil-free emerald 0.29ct loose with GIA

Sold out コロンビア産ノンオイルエメラルド 0.410ctルース GIA

Colombian oil-free emerald 0.410ct loose GIA

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.