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Saw an interesting HCA number for this stone.

yrrp3738

Shiny_Rock
Joined
Feb 3, 2011
Messages
127
Haven't seen the stone in person yet:

Depth: 60.0%
Table: 57%
Crown Angle: 35.0°
Crown Height: 15.0%
Pavilion Angle: 40.4°
Pavilion Depth: 42.5%
Star length: 55%
Lower Half: 75%
Girdle: Medium, Faceted
Culet: None

HCA is 0.5 and 4 EX. I haven't seen a 4 ex before. The crown angel looks a little bit high. Any comments?
 

yssie

Super_Ideal_Rock
Premium
Joined
Aug 14, 2009
Messages
20,553
crown is fine, but possibly unsightly obstruction issues b/c of the shallow pav, would not use it for a ring w/o an IS/thorough in-person inspection first.

obstruction = stone darkens when you lean over to admire it, because too many facets are reflecting what is directly in front of them - you. A blonde, fair skinned person might find moderate over-obstruction tolerable where a dark skinned dark haired person may not, because those colours reflected are peaches and pastels rather than black (video here http://www.screencast.com/users/Pricescope/folders/Default/media/64f27d25-9e00-4e29-96e3-e43ebed12a60)
 
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