1ct Sinhalite (Oval, 7.92×5.28mm, Light Brown) vs 1ct Tanzanite (Oval, 8.07×5.38mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Tanzanite (8.07×5.38mm, oval cut) appears 4% larger than 1ct Sinhalite (7.92×5.28mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1ct Sinhalite (oval cut) |
vs
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1ct Tanzanite (oval cut) |
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light brown |
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| 7.92×5.28 mm | 8.07×5.38 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
1ct Sinhalite Oval (7.92×5.28mm, Light Brown)
and
1ct Tanzanite Oval (8.07×5.38mm, 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, Sinhalite will face-up smaller than Tanzanite for a given
carat weight, because it has higher specific gravity
(3.48 vs. 3.35 - this means it's "heavier" compared to Tanzanite 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.
| 1 Ct Sinhalite (Oval) | 1 Ct Tanzanite (Oval) | |
| 7.92×5.28 mm | vs | 8.07×5.38 mm |
| 34.29 mm² | 35.6 mm² |
| 1ct Sinhalite Oval (7.92×5.28mm) | |
| 1ct Tanzanite Oval (8.07×5.38mm) | |
| Difference: 4% (1.31 mm²) |
1ct Tanzanite (Oval, 8.07×5.38mm) has approx. 4% more face-up area than 1ct Sinhalite (Oval, 7.92×5.28mm).
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)
- 13ct Sinhalite (Oval, Light Brown, 18.63 x 12.42) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 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)