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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 $1,184 AUD
HK$6,500 HKD
As of October 31, 2026
Save $4,595 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,780 AUD 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 $1,184 to $5,780, a $4,595 spread on the same certified stone. Brilliant Earth lists it at $5,780. 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: $5,780 AUD|Low: $1,184 AUD|High: $6,762 AUD|Avg: $3,147 AUD|-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$1,184 AUD
Retailer 2$1,580 AUD
Retailer 7$1,667 AUD
Retailer 3$1,693 AUD
Retailer 6$2,363 AUD
Retailer 9$2,933 AUD
Retailer 10$3,435 AUD
Retailer 5$4,207 AUD
Retailer 4$4,728 AUD
Brilliant Earth$5,780 AUD

40 data points across 10 retailers

10 retailers$1,184 AUD to $5,780 AUD

A
Cheapest Retailer
-
$1,184 AUD
HK$6,500 HKD
A
Retailer 2
-
$1,580 AUD
€1,057 EUR
View
B+
Retailer 3
-
$1,667 AUD
$1,171 USD
View
A
Retailer 4
-
$1,693 AUD
£937 GBP
View
B
Retailer 5
-
$2,363 AUD
$1,660 USD
View
B
Retailer 6
-
$2,933 AUD
$2,060 USD
View
B
Retailer 7
-
$3,435 AUD
SGD 3,261 SGD
View
B
Retailer 8
-
$4,207 AUD
$2,955 USD
View
B
Retailer 9
-
$4,728 AUD
£2,615 GBP
View
Most Expensive
B
Brilliant Earth
21013578A · Oct 30
$5,780 AUD
$4,060 USD
View
9 more retailers have this diamond
Prices start from $1,184 AUDSave up to $4,595 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
5.06ct Radiant
$1,184 AUD