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Radiant|Lab Grown|IGI

5.01ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG640445150

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

Certificate IGI LG640445150

Diamond specifications and retailer prices

From $1,075 AUD
$755 USD
As of October 31, 2026
Save $4,876 AUD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,951 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.01ct lab-grown radiant diamond

This 5.01ct 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 LG640445150 or 640445150. Listed at 11 retailers as of October 31, 2026, with prices from $1,075 to $5,951, a $4,876 spread on the same certified stone. Brilliant Earth lists it at $5,951. 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

5.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640445150
Dimensions12.07 × 8.45 × 5.73 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.07 mm8.45 mm5.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640445150
Side View
Table 65.0%Crown 41.3°Girdle: MediumPavilion 35.9°Culet: NoneDepth 67.8%

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 31
Current: $5,951 AUD|Low: $793 AUD|High: $7,189 AUD|Avg: $2,341 AUD|-17.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13$793 AUD
Retailer 3$867 AUD
Retailer 11$924 AUD
Retailer 6$1,075 AUD
Retailer 12$1,365 AUD
Retailer 2$1,413 AUD
Retailer 7$1,461 AUD
Retailer 4$1,515 AUD
Retailer 9$2,360 AUD
Retailer 5$2,792 AUD
Retailer 8$3,686 AUD
Retailer 10$4,164 AUD
Brilliant Earth$5,951 AUD

32 data points across 13 retailers

11 retailers$1,075 AUD to $5,951 AUD

Retailer 1
-
$924 AUD
£511 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$1,075 AUD
$755 USD
View
B+
Retailer 3
-
$1,365 AUD
$959 USD
View
A
Retailer 4
-
$1,413 AUD
€945 EUR
View
A
Retailer 5
-
$1,461 AUD
£808 GBP
View
A
Retailer 6
-
$1,515 AUD
$1,064 USD
View
B
Retailer 7
-
$2,360 AUD
$1,658 USD
View
B+
Retailer 8
-
$2,792 AUD
$1,961 USD
View
B
Retailer 9
-
$3,686 AUD
£2,039 GBP
View
B
Retailer 10
-
$4,164 AUD
$2,925 USD
View
Most Expensive
B
Brilliant Earth
10980600A · Oct 31
$5,951 AUD
$4,180 USD
View
10 more retailers have this diamond
Prices start from $1,075 AUDSave up to $4,876 AUD

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
5.01ct Radiant
$1,075 AUD