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Radiant|Lab Grown|IGI

5.52ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG656494482

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

Certificate IGI LG656494482

Diamond specifications and retailer prices

From $1,153 AUD
$810 USD
As of October 29, 2026
Save $10,718 AUD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,871 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.52ct lab-grown radiant diamond

This 5.52ct 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 LG656494482 or 656494482. Listed at 13 retailers as of October 29, 2026, with prices from $1,153 to $11,871, a $10,718 spread on the same certified stone. Brilliant Earth lists it at $11,871. 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

5.52
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656494482
Dimensions12.42 × 8.73 × 5.89 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.42 mm8.73 mm5.52 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656494482
Side View
Table 65.0%Crown 43.7°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 67.5%

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 29
Current: $11,871 AUD|Low: $962 AUD|High: $12,227 AUD|Avg: $3,281 AUD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12$962 AUD
Retailer 10$1,012 AUD
Retailer 5$1,153 AUD
Retailer 11$1,486 AUD
Retailer 2$1,500 AUD
Retailer 3$1,606 AUD
Retailer 7$1,647 AUD
Retailer 8$2,484 AUD
Retailer 4$3,503 AUD
Retailer 6$4,022 AUD
Retailer 9$5,793 AUD
Brilliant Earth$11,871 AUD

37 data points across 12 retailers

13 retailers$1,153 AUD to $11,871 AUD

Retailer 1
-
$870 AUD
$611 USD
Price last confirmed 32 days ago
Retailer 2
-
$949 AUD
$667 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$1,012 AUD
£560 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,153 AUD
$810 USD
View
B+
Retailer 5
-
$1,486 AUD
$1,044 USD
View
A
Retailer 6
-
$1,500 AUD
£830 GBP
View
A
Retailer 7
-
$1,606 AUD
$1,128 USD
View
Retailer 8
-
$1,647 AUD
€1,102 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$2,484 AUD
$1,745 USD
View
B+
Retailer 10
-
$3,503 AUD
$2,461 USD
View
B
Retailer 11
-
$4,022 AUD
£2,225 GBP
View
Retailer 12
-
$5,793 AUD
$4,070 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
11883856A · Oct 29
$11,871 AUD
$8,340 USD
View
12 more retailers have this diamond
Prices start from $1,153 AUDSave up to $10,718 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
5.52ct Radiant
$1,153 AUD