1.7ct Ruby (Cushion, 6.67×6.67mm, Red) vs 0.05ct Diamond (Round, 2.39×2.39mm, White)
Quick summary: When looked from above (face-up position), 1.7ct Ruby (6.67×6.67mm, cushion cut) appears 8.9 times larger than 0.05ct Diamond (2.39×2.39mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1.7ct Ruby (cushion cut) |
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0.05ct Diamond (round cut) |
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red |
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| 6.67×6.67 mm | 2.39×2.39 mm | |
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Actual sizes of
1.7ct Ruby Cushion (6.67×6.67mm, Red)
and
0.05ct Diamond Round (2.39×2.39mm, 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, Ruby 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.
| 1.7 Ct Ruby (Cushion) | 0.05 Ct Diamond (Round) | |
| 6.67×6.67 mm | vs | 2.39×2.39 mm |
| 40.04 mm² | 4.49 mm² |
| 1.7ct Ruby Cushion (6.67×6.67mm) | |
| 0.05ct Diamond Round (2.39×2.39mm) | |
| Difference: 792% (35.55 mm²) |
1.7ct Ruby Cushion (6.67×6.67mm) has approx. 792% more face-up area than 0.05ct Diamond Round (2.39×2.39mm). In other words, it's 8.92x larger.
Popular comparisons:
- 1.7ct Ruby (Cushion, Red, 6.67 x 6.67) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.7ct Ruby (Cushion, Red, 6.67 x 6.67) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
- 4ct Ruby (Cushion, Red, 8.88 x 8.88) vs. 6ct Ruby (Cushion, Red, 10.16 x 10.16)
- 0.45ct Ruby (Cushion, Red, 4.28 x 4.28) vs. 0.33ct Sapphire (Trillion, Blue, 4.86 x 4.86)
- 3.45ct Ruby (Cushion, Red, 8.45 x 8.45) vs. 1ct Emerald (Cushion, Green, 6.37 x 6.37)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 5ct Ruby (Round, Red, 10.22 x 10.22)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 5ct Ruby (Cushion, Red, 9.56 x 9.56)
- 3ct Ruby (Cushion, Red, 8.06 x 8.06) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
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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.