2ct Topaz (Cushion, 7.34×7.34mm, Blue) vs 2ct Spinel (Cushion, 7.3×7.3mm, Gray)
Quick summary: When looked from above (face-up position), 2ct Topaz (7.34×7.34mm, cushion cut) appears 1% larger than 2ct Spinel (7.3×7.3mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 2ct Topaz (cushion cut) |
vs
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2ct Spinel (cushion cut) |
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blue |
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| 7.34×7.34 mm | 7.3×7.3 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
2ct Topaz Cushion (7.34×7.34mm, Blue)
and
2ct Spinel Cushion (7.3×7.3mm, Gray)
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, Spinel will face-up slightly smaller than Topaz for a given
carat weight, because it has higher specific gravity
(3.6 vs. 3.53 - this means it's "slightly heavier" compared to Topaz 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.
| 2 Ct Topaz (Cushion) | 2 Ct Spinel (Cushion) | |
| 7.34×7.34 mm | vs | 7.3×7.3 mm |
| 48.49 mm² | 47.96 mm² |
| 2ct Topaz Cushion (7.34×7.34mm) | |
| 2ct Spinel Cushion (7.3×7.3mm) | |
| Difference: 1% (0.53 mm²) |
2ct Topaz (Cushion, 7.34×7.34mm) has approx. 1% more face-up area than 2ct Spinel (Cushion, 7.3×7.3mm).
Popular comparisons:
- 2ct Topaz (Cushion, Blue, 7.34 x 7.34) vs. 1ct Topaz (Cushion, Blue, 5.83 x 5.83)
- 2ct Topaz (Cushion, Blue, 7.34 x 7.34) vs. 1ct Topaz (Cushion, Blue, 6 x 6)
- 2ct Topaz (Cushion, Blue, 7.34 x 7.34) vs. 2ct Diamond (Cushion, White, 7.34 x 7.34)
- 2ct Topaz (Cushion, Blue, 7.34 x 7.34) vs. 0.5ct Amethyst (Oval, Violet, 6.89 x 4.59)
- 2ct Topaz (Cushion, Blue, 7.34 x 7.34) vs. 2ct Sapphire (Round, Blue, 7.53 x 7.53)
- 2ct Topaz (Cushion, Blue, 7.34 x 7.34) vs. 1ct Topaz (Cushion, Light Blue, 5.83 x 5.83)
- 2ct Topaz (Cushion, Blue, 7.34 x 7.34) vs. 2ct Tourmaline (Cushion, Violet, 7.67 x 7.67)
- 2ct Topaz (Cushion, Blue, 7.34 x 7.34) vs. 2ct Tanzanite (Cushion, Blue, 7.51 x 7.51)