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1.35ct Spinel (Round, 6.84×6.84mm, Red) vs 2ct Diamond (Pear, 11.4×6.87mm, White)


Quick summary: When looked from above (face-up position), 2ct Diamond (11.4×6.87mm, pear cut) appears 56% larger than 1.35ct Spinel (6.84×6.84mm, round cut). See below how they compare side-by-side on a ring and finger.

1.35ct Spinel (round cut)
vs
 2ct Diamond (pear cut)
red
 
white
6.84×6.84 mm 11.4×6.87 mm
actual size
Actual size of 1.35ct Spinel (round cut, 6.84×6.84mm, Red color)   Actual size of 2ct Diamond (pear cut, 11.4×6.87mm, White color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Red 1.35ct Spinel (round cut, 6.84×6.84mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
White 2ct Diamond (pear cut, 11.4×6.87mm) 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
 41% vs 41%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 1.35ct Spinel Round (6.84×6.84mm, Red) and 2ct Diamond Pear (11.4×6.87mm, 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.


1.35 Ct Spinel (Round) 2 Ct Diamond (Pear)
6.84×6.84 mm vs 11.4×6.87 mm
36.75 mm²   57.17 mm²
Face-up size outline for 2ct Diamond (11.4×6.87mm, pear cut)
Face-up size outline for 1.35ct Spinel (6.84×6.84mm, round cut)
1.35ct Spinel Round (6.84×6.84mm)
2ct Diamond Pear (11.4×6.87mm)
Difference: 56% (20.42 mm²)
2ct Diamond (Pear, 11.4×6.87mm) has approx. 56% more face-up area than 1.35ct Spinel (Round, 6.84×6.84mm).


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