In order to let you know the GUID certificate better, let me talk to you about the GUID gem inspection report.
Report Type Category I: Advanced Report
Category II: Franchise Report
Category III: Routine Test Report
The fourth category: file inspection report
Interpretation of the report
For different kinds of gems, Guild Gem Laboratory can provide testing services such as color rating, origin determination, optimization treatment and special effects. Take the three treasures of red, blue and green as an example to analyze ~
0 1. Emerald (Emerald)
0 1. Emerald (Wharton Green)
Emerald is the highest grade of jadeite color given by guild laboratory. When the emerald reaches the emerald level, it is classified as bright green * in the emerald report, and the trade name: Emerald (trade name: Wharton Green) is marked at the bottom of the photo. Wharton Green has further explanation in the attached page of the report.
02 source
At present, the emeralds produced by GUILD include Colombia, Zambia, Brazil, Afghanistan, Pakistan, Ethiopia and India.
Small production areas that can be judged: Chivor) (Chivor, Gachala) (Gogara, Afghanistan, Pakistan, Swat. And attach an attached page for further introduction.
03 optimization treatment
For the emerald with optimized cleanliness, the guild report named it "natural emerald" in its conclusion, and indicated in the remarks column that the degree of cleanliness optimization is divided into six grades:
-No..
-The smallest doesn't matter
-minor.
-Mild to moderate
-Medium-sized modem
-Serious.
02. Ruby (Ruby)
0 1. Pigeon blood (pigeon blood red)
In the guild color grading report, pigeon blood is represented by bright red * and crimson *, and the following contents are marked under the photo on the right: trade name: pigeon blood (trade name: pigeon blood).
02 source
The origin of rubies issued by guilds are: Myanmar, Mozambique, Madagascar, Thailand, Vietnam and Tanzania.
Ruby from Myanmar can be identified as the following small producing areas: Myanmar (MongHsu) and Myanmar (Mogok).
Ruby from Tanzania can be identified as follows: Tanzania (Winza), Tanzania (Longido).
03. Sapphire (sapphire)
A. Sapphire (blue sapphire)
Royal Blue (Royal Blue)
In the color classification report of the guild, sapphire blue is represented by bright blue * or dark blue *, and the product name: sapphire blue is indicated below the photo on the right.
Centaurea blue
The cornflower blue is represented by bright blue * or strong blue *, and the bottom of the photo on the right is marked with the trade name: cornflower blue.
Place of production
At present, the blue sapphires produced by GUILD are: Myanmar, Sri Lanka, Madagascar, Thailand/Cambodia, Kashmir, etc.