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2.35ct Spinel (Emerald, 8.9×6.7mm, Light Blue) vs 3.64ct Diamond (Emerald, 10.27×7.61mm, White)


Quick summary: When looked from above (face-up position), 3.64ct Diamond (10.27×7.61mm, emerald cut) appears 31% larger than 2.35ct Spinel (8.9×6.7mm, emerald cut). See below how they compare side-by-side on a ring and finger.

2.35ct Spinel (emerald cut)
vs
 3.64ct Diamond (emerald cut)
light blue
 
white
8.9×6.7 mm 10.27×7.61 mm
actual size
Actual size of 2.35ct Spinel (emerald cut, 8.9×6.7mm, Light Blue color)   Actual size of 3.64ct Diamond (emerald cut, 10.27×7.61mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Light Blue 2.35ct Spinel (emerald cut, 8.9×6.7mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 3.64ct Diamond (emerald cut, 10.27×7.61mm) 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
 40% vs 46%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 2.35ct Spinel Emerald (8.9×6.7mm, Light Blue) and 3.64ct Diamond Emerald (10.27×7.61mm, White) 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, Spinel will face-up slightly smaller than Diamond for a given carat weight, because it has higher specific gravity (3.6 vs. 3.52 - this means it's "slightly heavier" compared to Diamond 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.


2.35 Ct Spinel (Emerald) 3.64 Ct Diamond (Emerald)
8.9×6.7 mm vs 10.27×7.61 mm
55.46 mm²   72.68 mm²
Face-up size outline for 3.64ct Diamond (10.27×7.61mm, emerald cut)
Face-up size outline for 2.35ct Spinel (8.9×6.7mm, emerald cut)
2.35ct Spinel Emerald (8.9×6.7mm)
3.64ct Diamond Emerald (10.27×7.61mm)
Difference: 31% (17.22 mm²)
3.64ct Diamond (Emerald, 10.27×7.61mm) has approx. 31% more face-up area than 2.35ct Spinel (Emerald, 8.9×6.7mm).


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