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Radiant|Lab Grown|IGI

4.91ct E SI2 Radiant Lab Grown Diamond

VG • E/SI2 • IGI LG840612369

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

Certificate IGI LG840612369

Diamond specifications and retailer prices

From $1,050 SGD
HK$6,400 HKD
As of October 29, 2026
Save $6,422 SGD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,472 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.91ct lab-grown radiant diamond

This 4.91ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG840612369 or 840612369. Listed at 12 retailers as of October 29, 2026, with prices from $1,050 to $7,472, a $6,422 spread on the same certified stone. Brilliant Earth lists it at $7,472. 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

4.91
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840612369
Dimensions12.13 × 8.19 × 5.56 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.13 mm8.19 mm4.91 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840612369
Side View
Table 68.0%Crown 46.8°Girdle: Slightly ThickPavilion 33.9°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $7,472 SGD|Low: $835 SGD|High: $7,472 SGD|Avg: $2,467 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 8$835 SGD
Retailer 11$869 SGD
Retailer 5$1,050 SGD
Retailer 7$1,394 SGD
Retailer 10$1,478 SGD
Retailer 2$1,499 SGD
Retailer 3$2,165 SGD
Retailer 9$2,390 SGD
Retailer 6$3,576 SGD
Retailer 4$4,188 SGD
Brilliant Earth$7,472 SGD

22 data points across 11 retailers

12 retailers$1,050 SGD to $7,472 SGD

Retailer 1
-
$777 SGD
$606 USD
Price last confirmed 21 days ago
Retailer 2
-
$835 SGD
£513 GBP
View
Price last confirmed 13 days ago
Retailer 3
-
$964 SGD
$752 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$1,050 SGD
HK$6,400 HKD
View
A
Retailer 5
-
$1,394 SGD
€1,036 EUR
View
B
Retailer 6
-
$1,478 SGD
$1,153 USD
View
A
Retailer 7
-
$1,499 SGD
£921 GBP
View
B+
Retailer 8
-
$2,165 SGD
$1,689 USD
View
B+
Retailer 9
-
$2,390 SGD
$1,865 USD
View
B
Retailer 10
-
$3,576 SGD
$2,790 USD
View
B
Retailer 11
-
$4,188 SGD
£2,573 GBP
View
Most Expensive
C
Brilliant Earth
21808458A · Oct 29
$7,472 SGD
$5,830 USD
View
11 more retailers have this diamond
Prices start from $1,050 SGDSave up to $6,422 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
4.91ct Radiant
$1,050 SGD