1.7ct Diamond (Cushion, 6.95×6.95mm, White) vs 1.7ct Ruby (Cushion, 6.67×6.67mm, Red)
Quick summary: When looked from above (face-up position), 1.7ct Diamond (6.95×6.95mm, cushion cut) appears 9% larger than 1.7ct Ruby (6.67×6.67mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 1.7ct Diamond (cushion cut) |
vs
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1.7ct Ruby (cushion cut) |
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white |
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| 6.95×6.95 mm | 6.67×6.67 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
1.7ct Diamond Cushion (6.95×6.95mm, White)
and
1.7ct Ruby Cushion (6.67×6.67mm, 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, 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 Diamond (Cushion) | 1.7 Ct Ruby (Cushion) | |
| 6.95×6.95 mm | vs | 6.67×6.67 mm |
| 43.47 mm² | 40.04 mm² |
| 1.7ct Diamond Cushion (6.95×6.95mm) | |
| 1.7ct Ruby Cushion (6.67×6.67mm) | |
| Difference: 9% (3.43 mm²) |
1.7ct Diamond (Cushion, 6.95×6.95mm) has approx. 9% more face-up area than 1.7ct Ruby (Cushion, 6.67×6.67mm).
Popular comparisons:
- 1.7ct Diamond (Cushion, White, 6.95 x 6.95) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1.7ct Diamond (Cushion, White, 6.95 x 6.95) vs. 2.4ct Diamond (Cushion, White, 7.8 x 7.8)
- 1.7ct Diamond (Cushion, White, 6.95 x 6.95) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 1.7ct Diamond (Cushion, White, 6.95 x 6.95) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.7ct Diamond (Cushion, White, 6.95 x 6.95) vs. 1.5ct Diamond (Round, White, 7.1 x 7.1)
- 1.7ct Diamond (Cushion, White, 6.95 x 6.95) vs. 1.7ct Sapphire (Cushion, Blue, 6.67 x 6.67)
- 1.7ct Diamond (Cushion, White, 6.95 x 6.95) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1.7ct Diamond (Cushion, White, 6.95 x 6.95) vs. 2ct Zircon (Cushion, White, 6.7 x 6.7)