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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 $1,340 NZD
$755 USD
As of October 31, 2026
Save $6,077 NZD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,417 NZD 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 $1,340 to $7,417, a $6,077 spread on the same certified stone. Brilliant Earth lists it at $7,417. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,417 NZD|Low: $988 NZD|High: $8,960 NZD|Avg: $2,918 NZD|-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$988 NZD
Retailer 3$1,081 NZD
Retailer 11$1,151 NZD
Retailer 6$1,340 NZD
Retailer 12$1,702 NZD
Retailer 2$1,761 NZD
Retailer 7$1,821 NZD
Retailer 4$1,888 NZD
Retailer 9$2,942 NZD
Retailer 5$3,479 NZD
Retailer 8$4,595 NZD
Retailer 10$5,190 NZD
Brilliant Earth$7,417 NZD

32 data points across 13 retailers

11 retailers$1,340 NZD to $7,417 NZD

Retailer 1
-
$1,151 NZD
£511 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$1,340 NZD
$755 USD
View
B+
Retailer 3
-
$1,702 NZD
$959 USD
View
A
Retailer 4
-
$1,761 NZD
€945 EUR
View
A
Retailer 5
-
$1,821 NZD
£808 GBP
View
A
Retailer 6
-
$1,888 NZD
$1,064 USD
View
B
Retailer 7
-
$2,942 NZD
$1,658 USD
View
B+
Retailer 8
-
$3,479 NZD
$1,961 USD
View
B
Retailer 9
-
$4,595 NZD
£2,039 GBP
View
B
Retailer 10
-
$5,190 NZD
$2,925 USD
View
Most Expensive
B
Brilliant Earth
10980600A · Oct 31
$7,417 NZD
$4,180 USD
View
10 more retailers have this diamond
Prices start from $1,340 NZDSave up to $6,077 NZD

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
$1,340 NZD