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Radiant|Lab Grown|IGI

0.51ct F IF Radiant Lab Grown Diamond

VG • F/IF • IGI LG649433094

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG649433094

Diamond specifications and retailer prices

From $374 SGD
As of November 6, 2026
Save $513 SGD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $887 SGD at Riddles Jewelry · As of November 6, 2026
View at Riddles Jewelry

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG649433094 or 649433094. Listed at 5 retailers as of November 6, 2026, with prices from $374 to $887, a $513 spread on the same certified stone. Riddles Jewelry lists it at $887. 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
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649433094
Dimensions5.51 × 3.97 × 2.67 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.. Type IIa
Top View
5.51 mm3.97 mm0.51 ctF / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG649433094
Side View
Table 65.0%Crown 38.5°Girdle: STK-THKPavilion 42.8°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $551 SGD|Low: $374 SGD|High: $887 SGD|Avg: $612 SGD|-14.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Riddles Jewelry
October 30, 2026
Retailer 2$374 SGD
Retailer 3$454 SGD
Retailer 1$551 SGD
Retailer 4$750 SGD
Riddles Jewelry$887 SGD

2 data points across 5 retailers

5 retailers$374 SGD to $887 SGD

A
Cheapest Retailer
-
$374 SGD
B+
Retailer 2
-
$454 SGD
View
B+
Retailer 3
-
$551 SGD
View
B
Retailer 4
-
$750 SGD
View
Most Expensive
B
Riddles Jewelry
1966220224 · Nov 6
$887 SGD
$692 USD
View
4 more retailers have this diamond
Prices start from $374 SGDSave up to $513 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.

A
0.51ct Radiant
$374 SGD