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2.98ct Alexandrite (Cushion, 9.5×7.1mm, Dark Violet) vs 5.14ct Diamond (Princess, 8.2×12.25mm, White)


Quick summary: When looked from above (face-up position), 5.14ct Diamond (8.2×12.25mm, princess cut) appears 65% larger than 2.98ct Alexandrite (9.5×7.1mm, cushion cut). See below how they compare side-by-side on a ring and finger.

2.98ct Alexandrite (cushion cut)
vs
 5.14ct Diamond (princess cut)
dark violet
 
white
9.5×7.1 mm 8.2×12.25 mm
actual size
Actual size of 2.98ct Alexandrite (cushion cut, 9.5×7.1mm, Dark Violet color)   Actual size of 5.14ct Diamond (princess cut, 8.2×12.25mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Dark Violet 2.98ct Alexandrite (cushion cut, 9.5×7.1mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 5.14ct Diamond (princess cut, 8.2×12.25mm) 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
 43% vs 73%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 2.98ct Alexandrite Cushion (9.5×7.1mm, Dark Violet) and 5.14ct Diamond Princess (8.2×12.25mm, 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, Alexandrite will face-up smaller than Diamond for a given carat weight, because it has higher specific gravity (3.73 vs. 3.52 - this means it's "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.


2.98 Ct Alexandrite (Cushion) 5.14 Ct Diamond (Princess)
9.5×7.1 mm vs 8.2×12.25 mm
60.71 mm²   100.45 mm²
Face-up size outline for 5.14ct Diamond (8.2×12.25mm, princess cut)
Face-up size outline for 2.98ct Alexandrite (9.5×7.1mm, cushion cut)
2.98ct Alexandrite Cushion (9.5×7.1mm)
5.14ct Diamond Princess (8.2×12.25mm)
Difference: 65% (39.74 mm²)
5.14ct Diamond (Princess, 8.2×12.25mm) has approx. 65% more face-up area than 2.98ct Alexandrite (Cushion, 9.5×7.1mm).


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