4ct Diamond (Princess, 8.75×8.75mm, White) vs 1.8ct Diamond (Princess, 6.7×6.7mm, White)
Quick summary: When looked from above (face-up position), 4ct Diamond (8.75×8.75mm, princess cut) appears 71% larger than 1.8ct Diamond (6.7×6.7mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 4ct Diamond (princess cut) |
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1.8ct Diamond (princess cut) |
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white |
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| 8.75×8.75 mm | 6.7×6.7 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
4ct Diamond Princess (8.75×8.75mm, White)
and
1.8ct Diamond Princess (6.7×6.7mm, 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?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
The face-up size depends on the shape of the gem, its weight and 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.
| 4 Ct Diamond (Princess) | 1.8 Ct Diamond (Princess) | |
| 8.75×8.75 mm | vs | 6.7×6.7 mm |
| 76.56 mm² | 44.89 mm² |
| 4ct Diamond Princess (8.75×8.75mm) | |
| 1.8ct Diamond Princess (6.7×6.7mm) | |
| Difference: 71% (31.67 mm²) |
4ct Diamond (Princess, 8.75×8.75mm) has approx. 71% more face-up area than 1.8ct Diamond (Princess, 6.7×6.7mm).
Popular comparisons:
- 4ct Diamond (Princess, White, 8.75 x 8.75) vs. 3ct Sapphire (Oval, Blue, 10.91 x 7.27)
- 4ct Diamond (Princess, White, 8.75 x 8.75) vs. 2.86ct Diamond (Oval, White, 11.52 x 7.68)
- 4ct Diamond (Princess, White, 8.75 x 8.75) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 4ct Diamond (Princess, White, 8.75 x 8.75) vs. 5ct Diamond (Oval, White, 13.88 x 9.25)
- 4ct Diamond (Princess, White, 8.75 x 8.75) vs. 7ct Diamond (Marquise, White, 19.88 x 9.94)
- 4ct Diamond (Princess, White, 8.75 x 8.75) vs. 6.5ct Diamond (Marquise, White, 19.38 x 9.69)
- 4ct Diamond (Princess, White, 8.75 x 8.75) vs. 4ct Diamond (Emerald, White, 10.61 x 7.86)
- 4ct Diamond (Princess, White, 8.75 x 8.75) vs. 3ct Diamond (Emerald, White, 9.64 x 7.14)