





















Colombian oil-free emerald 0.310ct loose stone
It is said that the beautiful green of emeralds varies depending on their origin. This is a Colombian emerald, which is said to have a particularly deep green color. Furthermore, emeralds are generally filled with clarifying agents, but this is a rare, untreated, non-oil emerald that has not been treated.
Comes with a GIA certificate.
Type: Loose (natural stone)
Stone name: Oil-free emerald from Colombia
Weight: 0.310ct
・Size: 5.7 x 3.8 mm
・Shape: Oval cut ・Scratches/chips: - ・Inclusions:- ·remarks:---
・Accessories: Certificate of Authenticity (GIA), loose case (if it does not fit, a clear zippered case) ・Posting period: Until E20_Shinjuku Marui
▷Jewelry processing available
If you would like to have your item made into jewelry, please order it along with your desired setting using the link below.
・[Select by stone] Simple order
・[Select from stones] Semi-custom
*If you would like an image of the stone in the frame, would like to discuss a full order, or have any other concerns or questions, please feel free to contact us here .
*Raw stones are not available. There are also some stones that cannot be handled.
*We try to make the colors in the photos as close as possible to the actual product, but they may look slightly different from the actual product depending on the lighting conditions at the time of shooting and the monitor environment you are using. Also, some photos may have been taken using a penlight.
*For information on scratches, chips, treatments, and inclusions, please click here .
*For other frequently asked questions, please click here .
*If you pay by credit card, the security company may contact you to verify your identity.
karatz_item_id: 12550794
Type: Loose (natural stone)
Stone name: Oil-free emerald from Colombia
Weight: 0.310ct
・Size: 5.7 x 3.8 mm
・Shape: Oval cut ・Scratches/chips: - ・Inclusions:- ·remarks:---
・Accessories: Certificate of Authenticity (GIA), loose case (if it does not fit, a clear zippered case) ・Posting period: Until E20_Shinjuku Marui
▷Jewelry processing available
If you would like to have your item made into jewelry, please order it along with your desired setting using the link below.
・[Select by stone] Simple order
・[Select from stones] Semi-custom
*If you would like an image of the stone in the frame, would like to discuss a full order, or have any other concerns or questions, please feel free to contact us here .
*Raw stones are not available. There are also some stones that cannot be handled.
*We try to make the colors in the photos as close as possible to the actual product, but they may look slightly different from the actual product depending on the lighting conditions at the time of shooting and the monitor environment you are using. Also, some photos may have been taken using a penlight.
*For information on scratches, chips, treatments, and inclusions, please click here .
*For other frequently asked questions, please click here .
*If you pay by credit card, the security company may contact you to verify your identity.
karatz_item_id: 12550794
Choose options






















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




![[Featured in listing 32501956] Pink Diamond 0.075ct Loose Stone (FANCY PURPLE PINK, SI1)](http://store.karatz.jp/cdn/shop/files/P7140153_6e660d26-44e4-42a4-a947-3e56e3a4dd82.jpg?v=1784179307&width=2946)
![[Listed as 32501922] Brown Diamond 0.556ct Loose (FANCY LIGHT BROWN, VS-1)](http://store.karatz.jp/cdn/shop/files/P7140020_47814af6-f577-40cf-b6c6-965bfc6e14c0.jpg?v=1784179780&width=2751)
![[Listed on 32501955] Brown Diamond 0.728ct Loose (FANCY DARK BROWN, SI2)](http://store.karatz.jp/cdn/shop/files/P7140102.jpg?v=1784077414&width=4000)
![[Listing #32501954] Brown Diamond 0.778ct Loose (FANCY BROWN, SI1)](http://store.karatz.jp/cdn/shop/files/P7140056_fa5db86f-a9d5-4aaf-a2c2-697b2eea02e9.jpg?v=1784179401&width=4000)
![[Lottery Sale 0707_01] Diamond 0.250ct Loose Stone (D, VVS1, 3Excellent) GIA](http://store.karatz.jp/cdn/shop/files/P6190694_586b668c-4b7f-48a6-a1cc-8c0b660c9bd1.jpg?v=1784180650&width=3206)
![[Lottery Sale 0707_02] Diamond 0.310ct Loose (D, VS1, Excellent) GIA](http://store.karatz.jp/cdn/shop/files/P6190666_b191f3fa-59ea-4b69-a617-f8c2a02348cf.jpg?v=1784180922&width=3045)




















![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/P4130575.jpg?v=1776126091&width=4000)
![[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery](http://store.karatz.jp/cdn/shop/files/collage_c90ad5e1-b47a-49f9-b7d7-d75e04cd883a.png?v=1724920180&width=2000)