0.78ct Diamond (Round, 5.98×5.98mm, White) vs 1.5ct Sapphire (Round, 6.84×6.84mm, Dark Bluish Green)
Quick summary: When looked from above (face-up position), 1.5ct Sapphire (6.84×6.84mm, round cut) appears 31% larger than 0.78ct Diamond (5.98×5.98mm, round cut). See below how they compare side-by-side on a ring and finger.
| 0.78ct Diamond (round cut) |
vs
|
1.5ct Sapphire (round cut) |
|
white |
|
|
| 5.98×5.98 mm | 6.84×6.84 mm | |
| actual size | ||
|
|
|
|
|
||
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
0.78ct Diamond Round (5.98×5.98mm, White)
and
1.5ct Sapphire Round (6.84×6.84mm, Dark Bluish 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, 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.
| 0.78 Ct Diamond (Round) | 1.5 Ct Sapphire (Round) | |
| 5.98×5.98 mm | vs | 6.84×6.84 mm |
| 28.09 mm² | 36.75 mm² |
| 0.78ct Diamond Round (5.98×5.98mm) | |
| 1.5ct Sapphire Round (6.84×6.84mm) | |
| Difference: 31% (8.66 mm²) |
1.5ct Sapphire (Round, 6.84×6.84mm) has approx. 31% more face-up area than 0.78ct Diamond (Round, 5.98×5.98mm).
Popular comparisons:
- 0.78ct Diamond (Round, White, 5.98 x 5.98) vs. 0.9ct Diamond (Round, White, 6.28 x 6.28)
- 0.78ct Diamond (Round, White, 5.98 x 5.98) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 0.78ct Diamond (Round, White, 5.98 x 5.98) vs. 0.67ct Diamond (Round, White, 5.69 x 5.69)
- 0.78ct Diamond (Round, White, 5.98 x 5.98) vs. 1.6ct Diamond (Round, White, 7.6 x 7.6)
- 0.78ct Diamond (Round, White, 5.98 x 5.98) vs. 1.57ct Sapphire (Cushion, Dark Green, 7.4 x 5.8)
- 0.78ct Diamond (Round, White, 5.98 x 5.98) vs. 0.5ct Emerald (Round, Green, 5.41 x 5.41)
- 0.78ct Diamond (Round, White, 5.98 x 5.98) vs. 3.57ct Sapphire (Emerald, Dark Green, 9.76 x 7.23)
- 0.78ct Diamond (Round, White, 5.98 x 5.98) vs. 1.28ct Sapphire (Round, Dark Bluish Green, 6.3 x 6.3)