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4ct Peridot (Oval, 12.74×8.49mm, Yellowish Green) vs 1.5ct Sapphire (Oval, 8.66×5.77mm, Blue)


Quick summary: When looked from above (face-up position), 4ct Peridot (12.74×8.49mm, oval cut) appears 2.2 times larger than 1.5ct Sapphire (8.66×5.77mm, oval cut). See below how they compare side-by-side on a ring and finger.

4ct Peridot (oval cut)
vs
 1.5ct Sapphire (oval cut)
yellowish green
 
blue
12.74×8.49 mm 8.66×5.77 mm
actual size
Actual size of 4ct Peridot (oval cut, 12.74×8.49mm, Yellowish Green color)   Actual size of 1.5ct Sapphire (oval cut, 8.66×5.77mm, Blue color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Yellowish Green 4ct Peridot (oval cut, 12.74×8.49mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Blue 1.5ct Sapphire (oval cut, 8.66×5.77mm) 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
 51% vs 35%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 4ct Peridot Oval (12.74×8.49mm, Yellowish Green) and 1.5ct Sapphire Oval (8.66×5.77mm, Blue) 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, Sapphire will face-up smaller than Peridot for a given carat weight, because it has higher specific gravity (4 vs. 3.34 - this means it's "heavier" compared to Peridot 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.


4 Ct Peridot (Oval) 1.5 Ct Sapphire (Oval)
12.74×8.49 mm vs 8.66×5.77 mm
88.69 mm²   40.97 mm²
Face-up size outline for 4ct Peridot (12.74×8.49mm, oval cut)
Face-up size outline for 1.5ct Sapphire (8.66×5.77mm, oval cut)
4ct Peridot Oval (12.74×8.49mm)
1.5ct Sapphire Oval (8.66×5.77mm)
Difference: 116% (47.72 mm²)
4ct Peridot (Oval, 12.74×8.49mm) has approx. 116% more face-up area than 1.5ct Sapphire (Oval, 8.66×5.77mm). In other words, it's 2.16x larger.


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