1.5ct Sinhalite (Princess, 6.3×6.3mm, Light Brown) vs 1.5ct Sunstone (Princess, 6.9×6.9mm, Orangey Red)
Quick summary: When looked from above (face-up position), 1.5ct Sunstone (6.9×6.9mm, princess cut) appears 20% larger than 1.5ct Sinhalite (6.3×6.3mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Sinhalite (princess cut) |
vs
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1.5ct Sunstone (princess cut) |
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light brown |
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| 6.3×6.3 mm | 6.9×6.9 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
1.5ct Sinhalite Princess (6.3×6.3mm, Light Brown)
and
1.5ct Sunstone Princess (6.9×6.9mm, Orangey Red)
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 Sunstone for a given
carat weight, because it has higher specific gravity
(3.48 vs. 2.65 - this means it's "heavier" compared to Sunstone 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.
| 1.5 Ct Sinhalite (Princess) | 1.5 Ct Sunstone (Princess) | |
| 6.3×6.3 mm | vs | 6.9×6.9 mm |
| 39.69 mm² | 47.61 mm² |
| 1.5ct Sinhalite Princess (6.3×6.3mm) | |
| 1.5ct Sunstone Princess (6.9×6.9mm) | |
| Difference: 20% (7.92 mm²) |
1.5ct Sunstone (Princess, 6.9×6.9mm) has approx. 20% more face-up area than 1.5ct Sinhalite (Princess, 6.3×6.3mm).
Popular comparisons:
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- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)