1.7ct Zircon (Cushion, 6.35×6.35mm, White) vs 1.25ct Diamond (Cushion, 6.28×6.28mm, White)
Quick summary: When looked from above (face-up position), 1.7ct Zircon (6.35×6.35mm, cushion cut) appears 2% larger than 1.25ct Diamond (6.28×6.28mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 1.7ct Zircon (cushion cut) |
vs
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1.25ct Diamond (cushion cut) |
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white |
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| 6.35×6.35 mm | 6.28×6.28 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 Zircon Cushion (6.35×6.35mm, White)
and
1.25ct Diamond Cushion (6.28×6.28mm, 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, Zircon will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4.7 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 Zircon (Cushion) | 1.25 Ct Diamond (Cushion) | |
| 6.35×6.35 mm | vs | 6.28×6.28 mm |
| 36.29 mm² | 35.49 mm² |
| 1.7ct Zircon Cushion (6.35×6.35mm) | |
| 1.25ct Diamond Cushion (6.28×6.28mm) | |
| Difference: 2% (0.8 mm²) |
1.7ct Zircon (Cushion, 6.35×6.35mm) has approx. 2% more face-up area than 1.25ct Diamond (Cushion, 6.28×6.28mm).
Popular comparisons:
- 4.3ct Zircon (Cushion, Orange, 8.65 x 8.65) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4.3ct Zircon (Cushion, White, 8.65 x 8.65) vs. 1.36ct Alexandrite (Pear, Bluish Green, 9.45 x 5.69)
- 6.65ct Zircon (Cushion, Orange, 10 x 10) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.43ct Zircon (Cushion, White, 7.15 x 7.15) vs. 1.85ct Diamond (Cushion, White, 7.15 x 7.15)
- 2.43ct Zircon (Cushion, Light Red, 7.15 x 7.15) vs. 1.85ct Diamond (Cushion, White, 7.15 x 7.15)
- 7ct Zircon (Cushion, Orange, 10.17 x 10.17) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.4ct Zircon (Cushion, Orange, 7.12 x 7.12) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 0.3ct Zircon (Cushion, White, 3.56 x 3.56) vs. 0.3ct Diamond (Round, White, 4.35 x 4.35)