1 Ct Ruby (Round) |
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2 Ct Topaz (Round) |
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red |
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| 5.98×5.98 mm | 7.85×7.85 mm | |
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Actual size is set for screen
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Ring width: 3.0 mm
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64 mm |
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Actual sizes of
1ct Ruby Round (5.98×5.98mm, Red)
and
2ct Topaz Round (7.85×7.85mm, Light 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?
JamesAllen → high-quality Rubies, high-end jewelry and competitive prices. Highly recommended.
Amazon → usually offers a good selection from many different vendors. Worth a check.
Face-up Size
All things being equal, Ruby will face-up smaller than Topaz for a given
carat weight, because it has higher specific gravity
(4 vs. 3.53 - this means it's "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.
| 1 Ct Ruby (Round) | 2 Ct Topaz (Round) | |
| 5.98×5.98 mm | vs | 7.85×7.85 mm |
| 28.09 mm² | 48.4 mm² |
| 1ct Ruby Round (5.98×5.98mm) | |
| 2ct Topaz Round (7.85×7.85mm) | |
| Difference: 72% (20.31 mm²) |
2ct Topaz Round (7.85×7.85mm) has approx. 72% more face-up area than 1ct Ruby Round (5.98×5.98mm).
Popular comparisons:
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 1ct Tanzanite (Round, Blue, 6.37 x 6.37)
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 1.5ct Ruby (Round, Red, 6.84 x 6.84)
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 1ct Emerald (Round, Green, 6.82 x 6.82)
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 2.5ct Ruby (Round, Red, 8.11 x 8.11)
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 1ct Ruby (Oval, Red, 7.56 x 5.04)
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)
- 1ct Ruby (Round, Red, 5.98 x 5.98) vs. 1ct Diamond (Emerald, White, 6.68 x 4.95)
Enter your screen size (diagonal)
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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.