4ct Diamond (Radiant, 10×8mm, White) vs 3.5ct Diamond (Radiant, 10×7mm, White)
Quick summary: When looked from above (face-up position), 4ct Diamond (10×8mm, radiant cut) appears 14% larger than 3.5ct Diamond (10×7mm, radiant cut). See below how they compare side-by-side on a ring and finger.
| 4ct Diamond (radiant cut) |
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3.5ct Diamond (radiant cut) |
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white |
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| 10×8 mm | 10×7 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 Radiant (10×8mm, White)
and
3.5ct Diamond Radiant (10×7mm, 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 (Radiant) | 3.5 Ct Diamond (Radiant) | |
| 10×8 mm | vs | 10×7 mm |
| 76 mm² | 66.5 mm² |
| 4ct Diamond Radiant (10×8mm) | |
| 3.5ct Diamond Radiant (10×7mm) | |
| Difference: 14% (9.5 mm²) |
4ct Diamond (Radiant, 10×8mm) has approx. 14% more face-up area than 3.5ct Diamond (Radiant, 10×7mm).
Popular comparisons:
- 4ct Diamond (Radiant, White, 10 x 8) vs. 6ct Diamond (Asscher, White, 10 x 10)
- 4ct Diamond (Radiant, White, 10 x 8) vs. 3ct Diamond (Oval, White, 12 x 8)
- 4ct Diamond (Radiant, White, 10 x 8) vs. 5ct Diamond (Radiant, White, 12 x 10)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)