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0.75ct Sinhalite (Emerald, 6.08×4.5mm, Light Brown) vs 0.75ct Sunstone (Emerald, 6.66×4.93mm, Orangey Red)


Quick summary: When looked from above (face-up position), 0.75ct Sunstone (6.66×4.93mm, emerald cut) appears 20% larger than 0.75ct Sinhalite (6.08×4.5mm, emerald cut). See below how they compare side-by-side on a ring and finger.

0.75ct Sinhalite (emerald cut)
vs
 0.75ct Sunstone (emerald cut)
light brown
 
orangey red
6.08×4.5 mm 6.66×4.93 mm
actual size
Actual size of 0.75ct Sinhalite (emerald cut, 6.08×4.5mm, Light Brown color)   Actual size of 0.75ct Sunstone (emerald cut, 6.66×4.93mm, Orangey Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Brown 0.75ct Sinhalite (emerald cut, 6.08×4.5mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orangey Red 0.75ct Sunstone (emerald cut, 6.66×4.93mm) on a right ring and finger
Your settings
Ring
 Gold
Skin tone
 Light
Ring diameter
 16.9 mm
Ring width
 3.0 mm
Finger length
 64 mm
Finger coverage
 27% vs 30%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 0.75ct Sinhalite Emerald (6.08×4.5mm, Light Brown) and 0.75ct Sunstone Emerald (6.66×4.93mm, Orangey Red) as they would appear on a ring and finger. Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.

Where to buy?

For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Face-up Size

All things being equal, Sinhalite will face-up smaller than Sunstone for a given carat weight, because it has higher specific gravity (3.48 vs. 2.65 - this means it's "heavier" compared to Sunstone of the same size). Face-up size also depends heavily on the proportions of the cut.

Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.


0.75 Ct Sinhalite (Emerald) 0.75 Ct Sunstone (Emerald)
6.08×4.5 mm vs 6.66×4.93 mm
25.44 mm²   30.54 mm²
Face-up size outline for 0.75ct Sunstone (6.66×4.93mm, emerald cut)
Face-up size outline for 0.75ct Sinhalite (6.08×4.5mm, emerald cut)
0.75ct Sinhalite Emerald (6.08×4.5mm)
0.75ct Sunstone Emerald (6.66×4.93mm)
Difference: 20% (5.1 mm²)
0.75ct Sunstone (Emerald, 6.66×4.93mm) has approx. 20% more face-up area than 0.75ct Sinhalite (Emerald, 6.08×4.5mm).


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