GRADING REPORT DIS040
- Identification: Natural Unheated & Untreated Sapphire
- Carat: 0.40
- Shape: Round Brilliant
- Measures: 4.98x5.01x2.55 (millimeter)
- Color: n.a.
- Tone: Light 20
- Color Zoning: None
- Clarity: Lightly Included
- Cutting Grade: Excellent (precision cut)
> Brilliancy: 90%
> Depth: 51%
- Origin: Sri Lanka
- Treatment: None
Certificate No: To-be-delivered / On request / Not included in price
Overall Grade: Very Good
Comment: Small untreated sapphires are in high demand for e-rings but hard to source. More and more people turn their backs on the not-very-rare white diamonds but also do not want unnatural colored sapphires. UHT heating would have turned this 0.40 light blue gem into either white or deeper blue tone and melt the silk of its crystal. The camera picks up more blue than the eye does. Best study the handshots below for its tone and the close-up images for inner life and crystal. A sparkly white sapphire with a strong tint of sky blue. It will make a good solitary stone in a ladies' ring up to US-size 6. BTW, if you want to look up international ring sizes or diameters in inches etc. I recommend this website. The vertical feather inclusion is not visible to the eye but under a lens it will attest of its natural state any time, as does the silk which would be burned out in heat-treatment or colored orange-pink with a beryllium bath. Yuk!
P.S. The unusual circumstances of this year, personal and in general, have so far hindered us from getting lab reports done, although I dare hope this will change by late May when I will visit Antwerp in person. The price here quoted is EXCLUDING our usual certificate. If you like to have a lab report for this garnet we need to add between $100 for an IGI report or up to $1,500 premium for a full AIG report. But it, too, would need a good deal extra time (currently over 12 weeks, sigh). That prices in this P.S. section differ is no lazy mistake but reflects the different pricing policies of the gem labs we use. Some calculate via weight, e.g. a 7 carat garnet is more expensive to test than a one carat, others labs go via pieces, when a small sapphire costs as much as a 10 carat gem.
Discuss design options (with a hunted matched pair possible but lengthy in time)