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0.75ct Sinhalite (Cabochon, 6.51×4.34mm, Light Brown) vs 0.75ct Sunstone (Cabochon, 7.13×4.75mm, Orangey Red)


Quick summary: When looked from above (face-up position), 0.75ct Sunstone (7.13×4.75mm, cabochon cut) appears 20% larger than 0.75ct Sinhalite (6.51×4.34mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

0.75ct Sinhalite (cabochon cut)
vs
 0.75ct Sunstone (cabochon cut)
light brown
 
orangey red
6.51×4.34 mm 7.13×4.75 mm
actual size
Actual size of 0.75ct Sinhalite (cabochon cut, 6.51×4.34mm, Light Brown color)   Actual size of 0.75ct Sunstone (cabochon cut, 7.13×4.75mm, 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 (cabochon cut, 6.51×4.34mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orangey Red 0.75ct Sunstone (cabochon cut, 7.13×4.75mm) 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
 26% vs 29%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 0.75ct Sinhalite Cabochon (6.51×4.34mm, Light Brown) and 0.75ct Sunstone Cabochon (7.13×4.75mm, 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 (Cabochon) 0.75 Ct Sunstone (Cabochon)
6.51×4.34 mm vs 7.13×4.75 mm
23.17 mm²   27.77 mm²
Face-up size outline for 0.75ct Sunstone (7.13×4.75mm, cabochon cut)
Face-up size outline for 0.75ct Sinhalite (6.51×4.34mm, cabochon cut)
0.75ct Sinhalite Cabochon (6.51×4.34mm)
0.75ct Sunstone Cabochon (7.13×4.75mm)
Difference: 20% (4.6 mm²)
0.75ct Sunstone (Cabochon, 7.13×4.75mm) has approx. 20% more face-up area than 0.75ct Sinhalite (Cabochon, 6.51×4.34mm).


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