1.6ct Diamond (Princess, 6.45×6.45mm, White) vs 2.4ct Sapphire (Cushion, 7.49×7.49mm, Blue)
Quick summary: When looked from above (face-up position), 2.4ct Sapphire (7.49×7.49mm, cushion cut) appears 21% larger than 1.6ct Diamond (6.45×6.45mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 1.6ct Diamond (princess cut) |
vs
|
2.4ct Sapphire (cushion cut) |
|
white |
|
|
| 6.45×6.45 mm | 7.49×7.49 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
1.6ct Diamond Princess (6.45×6.45mm, White)
and
2.4ct Sapphire Cushion (7.49×7.49mm, 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, 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.
| 1.6 Ct Diamond (Princess) | 2.4 Ct Sapphire (Cushion) | |
| 6.45×6.45 mm | vs | 7.49×7.49 mm |
| 41.6 mm² | 50.49 mm² |
| 1.6ct Diamond Princess (6.45×6.45mm) | |
| 2.4ct Sapphire Cushion (7.49×7.49mm) | |
| Difference: 21% (8.89 mm²) |
2.4ct Sapphire (Cushion, 7.49×7.49mm) has approx. 21% more face-up area than 1.6ct Diamond (Princess, 6.45×6.45mm).
Popular comparisons:
- 1.6ct Diamond (Princess, White, 6.45 x 6.45) vs. 1.2ct Sapphire (Oval, Blue, 8.04 x 5.36)
- 1.6ct Diamond (Princess, White, 6.45 x 6.45) vs. 1.7ct Diamond (Princess, White, 6.58 x 6.58)
- 1.6ct Diamond (Princess, White, 6.45 x 6.45) vs. 1.25ct Sapphire (Oval, Blue, 8 x 5.6)
- 1.6ct Diamond (Princess, White, 6.45 x 6.45) vs. 1ct Emerald (Princess, Green, 6.13 x 6.13)
- 1.6ct Diamond (Princess, White, 6.45 x 6.45) vs. 1.2ct Diamond (Princess, White, 5.86 x 5.86)
- 1.6ct Diamond (Princess, White, 6.45 x 6.45) vs. 1.75ct Diamond (Princess, White, 6.64 x 6.64)
- 1.6ct Diamond (Princess, White, 6.45 x 6.45) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.6ct Diamond (Princess, White, 6.45 x 6.45) vs. 2.4ct Diamond (Princess, White, 7.38 x 7.38)