1.8ct Sapphire (Marquise, 12×6mm, White) vs 1.8ct Diamond (Marquise, 12×6mm, White)
Quick summary: Compared gemstones have equal face-up area.
| 1.8ct Sapphire (marquise cut) |
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1.8ct Diamond (marquise cut) |
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white |
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| 12×6 mm | 12×6 mm | |
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Actual size is set for screen
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64 mm |
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Actual sizes of
1.8ct Sapphire Marquise (12×6mm, White)
and
1.8ct Diamond Marquise (12×6mm, 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, Sapphire will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 vs. 3.52 - this means it's "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.
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.
| 1.8 Ct Sapphire (Marquise) | 1.8 Ct Diamond (Marquise) | |
| 12×6 mm | vs | 12×6 mm |
| 51.12 mm² | 51.12 mm² |
| 1.8ct Sapphire Marquise (12×6mm) | |
| 1.8ct Diamond Marquise (12×6mm) | |
| Difference: 0% (0 mm²) |
1.8ct Sapphire Marquise (12×6mm) and 1.8ct Diamond Marquise (12×6mm) have the same face-up area.
Popular comparisons:
- 1.8ct Sapphire (Marquise, White, 12 x 6) vs. 2ct Zircon (Marquise, White, 11.82 x 5.91)
- 1.8ct Sapphire (Marquise, White, 12 x 6) vs. 1.8ct Zircon (Marquise, Orange, 11.42 x 5.71)
- 1.8ct Sapphire (Marquise, White, 12 x 6) vs. 0.3ct Diamond (Round, White, 4.35 x 4.35)
- 1.8ct Sapphire (Marquise, White, 12 x 6) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.8ct Sapphire (Marquise, White, 12 x 6) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)
- 1.8ct Sapphire (Marquise, White, 12 x 6) vs. 1.8ct Diamond (Marquise, White, 12.64 x 6.32)
- 1ct Sapphire (Marquise, Blue, 10 x 5) vs. 1ct Sapphire (Oval, Blue, 10 x 5)
- 1.5ct Sapphire (Marquise, Blue, 11.3 x 5.65) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.