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Radiant|Lab Grown|IGI

5.06ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG826673845

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

Certificate IGI LG826673845

Diamond specifications and retailer prices

From $1,064 SGD
HK$6,500 HKD
As of October 31, 2026
Save $4,127 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,190 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.06ct lab-grown radiant diamond

This 5.06ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826673845 or 826673845. Listed at 10 retailers as of October 30, 2026, with prices from $1,064 to $5,190, a $4,127 spread on the same certified stone. Brilliant Earth lists it at $5,190. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.06
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826673845
Dimensions11.98 × 8.54 × 5.43 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.98 mm8.54 mm5.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826673845
Side View
Table 67.0%Crown 46.4°Girdle: Slightly ThickPavilion 32.2°Culet: NoneDepth 63.6%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $5,190 SGD|Low: $1,064 SGD|High: $6,072 SGD|Avg: $2,826 SGD|-14.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8$1,064 SGD
Retailer 2$1,419 SGD
Retailer 7$1,497 SGD
Retailer 3$1,520 SGD
Retailer 6$2,122 SGD
Retailer 9$2,634 SGD
Retailer 10$3,085 SGD
Retailer 5$3,778 SGD
Retailer 4$4,246 SGD
Brilliant Earth$5,190 SGD

40 data points across 10 retailers

10 retailers$1,064 SGD to $5,190 SGD

A
Cheapest Retailer
-
$1,064 SGD
HK$6,500 HKD
A
Retailer 2
-
$1,419 SGD
€1,057 EUR
View
B+
Retailer 3
-
$1,497 SGD
$1,171 USD
View
A
Retailer 4
-
$1,520 SGD
£937 GBP
View
B
Retailer 5
-
$2,122 SGD
$1,660 USD
View
B
Retailer 6
-
$2,634 SGD
$2,060 USD
View
B
Retailer 7
-
$3,085 SGD
View
B
Retailer 8
-
$3,778 SGD
$2,955 USD
View
B
Retailer 9
-
$4,246 SGD
£2,615 GBP
View
Most Expensive
B
Brilliant Earth
21013578A · Oct 30
$5,190 SGD
$4,060 USD
View
9 more retailers have this diamond
Prices start from $1,064 SGDSave up to $4,127 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
5.06ct Radiant
$1,064 SGD