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1.36ct Diamond (Oval, 8.99×5.99mm, White) vs 1.36ct Spinel (Oval, 8.69×5.79mm, Dark Green)


Quick summary: When looked from above (face-up position), 1.36ct Diamond (8.99×5.99mm, oval cut) appears 7% larger than 1.36ct Spinel (8.69×5.79mm, oval cut). See below how they compare side-by-side on a ring and finger.

1.36ct Diamond (oval cut)
vs
1.36ct Spinel (oval cut)
white
 
dark green
8.99×5.99 mm 8.69×5.79 mm
actual size
Actual size of 1.36ct Diamond (oval cut, 8.99×5.99mm, White color)   Actual size of 1.36ct Spinel (oval cut, 8.69×5.79mm, Dark Green color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
White 1.36ct Diamond (oval cut, 8.99×5.99mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Dark Green 1.36ct Spinel (oval cut, 8.69×5.79mm) 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
36% vs 35%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1.36ct Diamond Oval (8.99×5.99mm, White) and 1.36ct Spinel Oval (8.69×5.79mm, Dark Green) 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.


1.36 Ct Diamond (Oval) 1.36 Ct Spinel (Oval)
8.99×5.99 mm vs 8.69×5.79 mm
44.16 mm²   41.26 mm²
Face-up size outline for 1.36ct Diamond (8.99×5.99mm, oval cut)
Face-up size outline for 1.36ct Spinel (8.69×5.79mm, oval cut)
1.36ct Diamond Oval (8.99×5.99mm)
1.36ct Spinel Oval (8.69×5.79mm)
Difference: 7% (2.9 mm²)
1.36ct Diamond (Oval, 8.99×5.99mm) has approx. 7% more face-up area than 1.36ct Spinel (Oval, 8.69×5.79mm).


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