4 Ct Quartz (Round) |
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1 Ct Diamond (Round) |
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orangey red |
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| 10×10 mm | 7×7 mm | |
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Actual size is set for screen
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64 mm |
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Actual sizes of
4ct Quartz Round (10×10mm, Orangey Red)
and
1ct Diamond Round (7×7mm, 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?
JamesAllen → high-quality Diamonds, 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, Diamond will face-up smaller than Quartz for a given
carat weight, because it has higher specific gravity
(3.52 vs. 2.65 - this means it's "heavier" compared to Quartz 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.
| 4 Ct Quartz (Round) | 1 Ct Diamond (Round) | |
| 10×10 mm | vs | 7×7 mm |
| 78.54 mm² | 38.48 mm² |
| 4ct Quartz Round (10×10mm) | |
| 1ct Diamond Round (7×7mm) | |
| Difference: 104% (40.06 mm²) |
4ct Quartz Round (10×10mm) has approx. 104% more face-up area than 1ct Diamond Round (7×7mm).
Popular comparisons:
- 1ct Quartz (Round, Orangey Red, 6.86 x 6.86) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Quartz (Round, Blue, 6.86 x 6.86) vs. 1ct Quartz (Round, Light Blue, 6.86 x 6.86)
- 2.6ct Quartz (Round, Gray, 9 x 9) vs. 2ct Quartz (Round, Gray, 8.3 x 8.3)
- 5ct Quartz (Round, Orangey Red, 11.73 x 11.73) vs. 5ct Amethyst (Round, Violet, 11.73 x 11.73)
- 3.33ct Quartz (Round, Orangey Red, 10 x 10) vs. 4ct Diamond (Round, White, 10.32 x 10.32)
- 6ct Quartz (Round, Light Orange, 12.46 x 12.46) vs. 3ct Citrine (Round, Light Orange, 9.89 x 9.89)
- 1.4ct Quartz (Round, Gray, 7.67 x 7.67) vs. 1.65ct Sapphire (Round, Light Blue, 7.06 x 7.06)
- 0.9ct Quartz (Round, Light Red, 6.5 x 6.5) vs. 1ct Quartz (Round, Light Red, 6.5 x 6.5)
- 0.71ct Quartz (Round, Light Red, 6 x 6) vs. 0.5ct Quartz (Round, Light Red, 5 x 5)
Enter your screen size (diagonal)
My screen size is
inches
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.