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Radiant|Natural|IGI

0.51ct F SI1 Radiant Natural Diamond

VG • F/SI1 • IGI F4E77010

Certificate IGI F4E77010

Diamond specifications and retailer prices

From $1,612 SGD
£993 GBP
As of November 3, 2026
Save $959 SGD (37%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,571 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI F4E77010. Listed at 4 retailers as of November 2, 2026, with prices from $1,612 to $2,571, a $959 spread on the same certified stone. MOH London lists it at $2,571. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle14°
Pavilion angle61.5°
OriginNatural
Grading LabIGI
CertificateIGI F4E77010
Dimensions4.47 × 4.29 × 3.34 mm
L/W Ratio1.04
Top View
4.47 mm4.29 mm0.51 ctF / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI F4E77010
Side View
Table 63.0%Crown 14°Girdle: VTN-MEDPavilion 61.5°CuletDepth 77.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $2,571 SGD|Low: $1,541 SGD|High: $2,602 SGD|Avg: $1,900 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 5$1,579 SGD
Retailer 2$1,612 SGD
Retailer 4$1,759 SGD
Retailer 3$1,966 SGD
MOH London$2,571 SGD

36 data points across 5 retailers

4 retailers$1,612 SGD to $2,571 SGD

B
Cheapest Retailer
-
$1,612 SGD
£993 GBP
B
Retailer 2
-
$1,759 SGD
£1,083 GBP
View
C
Retailer 3
-
$1,966 SGD
€1,464 EUR
View
Most Expensive
C
MOH London
CB50CA2AF · Nov 2
$2,571 SGD
£1,583 GBP
View
3 more retailers have this diamond
Prices start from $1,612 SGDSave up to $959 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
0.51ct Radiant
$1,612 SGD