13ct Sinhalite (Oval, 18.63×12.42mm, Light Brown) vs 1ct Emerald (Emerald, 7.28×5.39mm, Green)
Quick summary: When looked from above (face-up position), 13ct Sinhalite (18.63×12.42mm, oval cut) appears 5.2 times larger than 1ct Emerald (7.28×5.39mm, emerald cut). See below how they compare side-by-side on a ring and finger.
| 13ct Sinhalite (oval cut) |
vs
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1ct Emerald (emerald cut) |
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light brown |
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| 18.63×12.42 mm | 7.28×5.39 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
13ct Sinhalite Oval (18.63×12.42mm, Light Brown)
and
1ct Emerald Emerald (7.28×5.39mm, 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, Sinhalite will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.48 vs. 2.72 - this means it's "heavier" compared to Emerald 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.
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.
| 13 Ct Sinhalite (Oval) | 1 Ct Emerald (Emerald) | |
| 18.63×12.42 mm | vs | 7.28×5.39 mm |
| 189.74 mm² | 36.49 mm² |
| 13ct Sinhalite Oval (18.63×12.42mm) | |
| 1ct Emerald Emerald (7.28×5.39mm) | |
| Difference: 420% (153.25 mm²) |
13ct Sinhalite (Oval, 18.63×12.42mm) has approx. 420% more face-up area than 1ct Emerald (Emerald, 7.28×5.39mm). In other words, it's 5.2x larger.
Popular comparisons:
- 0.83ct Sinhalite (Oval, Light Brown, 7.44 x 4.96) vs. 3ct Emerald (Cushion, Green, 9.19 x 9.19)
- 6ct Sinhalite (Oval, Light Brown, 14.4 x 9.6) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Sinhalite (Oval, Light Brown, 7.92 x 5.28) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1.21ct Sinhalite (Oval, White, 8.45 x 5.63) vs. 1.21ct Sapphire (Oval, Dark Bluish Green, 8.06 x 5.37)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)