Its going to depend on the cut style (need the depth and faceting), but based on your listed measurements its a square cut that is probably .85ct or so. A 6mm x 6mm square is normally 1ct. I would definitely recommend you get it appraised for an exact carat weight estimate (or direct measurement if it is loose).
5 to 5.5 mm round, 6x4 mm oval , varies depending on cut , this is approximate.
There are 1000 microns in a mm. There are 5000 microns in 5 mm
1 mm
It is 120 mm^2.
1 in = 25.4 mm, so (5/1000 in)*(25.4 mm/in) = 0.127 mm
It is a length of 45 mm.
5
5mm
1,219.2 x 2,438.4 millimeters
5 to 5.5 mm round, 6x4 mm oval , varies depending on cut , this is approximate.
It's about the size a a 12 year old pinky
1 inch = 25.4 mm 5 mm ~ 0.2 inch
5 mm = 5/1 mm
0.31496 inchesDirect Conversion Formula 8 mm*1 in25.4 mm=0.3149606299 in8 inches = 203.2mm
5 mm x 5 mm = 25 mm2
5 mm...
5 mm