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1.75ct Sinhalite (Marquise, 12.28×6.14mm, Light Brown) vs 1.75ct Sunstone (Marquise, 13.44×6.72mm, Orangey Red)


Quick summary: When looked from above (face-up position), 1.75ct Sunstone (13.44×6.72mm, marquise cut) appears 20% larger than 1.75ct Sinhalite (12.28×6.14mm, marquise cut). See below how they compare side-by-side on a ring and finger.

1.75ct Sinhalite (marquise cut)
vs
 1.75ct Sunstone (marquise cut)
light brown
 
orangey red
12.28×6.14 mm 13.44×6.72 mm
actual size
Actual size of 1.75ct Sinhalite (marquise cut, 12.28×6.14mm, Light Brown color)   Actual size of 1.75ct Sunstone (marquise cut, 13.44×6.72mm, 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 1.75ct Sinhalite (marquise cut, 12.28×6.14mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Orangey Red 1.75ct Sunstone (marquise cut, 13.44×6.72mm) 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
 37% vs 40%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1.75ct Sinhalite Marquise (12.28×6.14mm, Light Brown) and 1.75ct Sunstone Marquise (13.44×6.72mm, 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.


1.75 Ct Sinhalite (Marquise) 1.75 Ct Sunstone (Marquise)
12.28×6.14 mm vs 13.44×6.72 mm
53.53 mm²   64.12 mm²
Face-up size outline for 1.75ct Sunstone (13.44×6.72mm, marquise cut)
Face-up size outline for 1.75ct Sinhalite (12.28×6.14mm, marquise cut)
1.75ct Sinhalite Marquise (12.28×6.14mm)
1.75ct Sunstone Marquise (13.44×6.72mm)
Difference: 20% (10.59 mm²)
1.75ct Sunstone (Marquise, 13.44×6.72mm) has approx. 20% more face-up area than 1.75ct Sinhalite (Marquise, 12.28×6.14mm).


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