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 $810 USD
As of October 29, 2026
Save $7,530 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,340 USD 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 $810 to $8,340, a $7,530 spread on the same certified stone. Brilliant Earth lists it at $8,340. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,340 USD|Low: $676 USD|High: $8,590 USD|Avg: $2,310 USD|-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 29, 2026
Retailer 12$676 USD
Retailer 10$711 USD
Retailer 5$810 USD
Retailer 11$1,044 USD
Retailer 2$1,050 USD
Retailer 3$1,128 USD
Retailer 7$1,157 USD
Retailer 8$1,745 USD
Retailer 4$2,461 USD
Retailer 6$2,826 USD
Retailer 9$4,070 USD
Brilliant Earth$8,340 USD

36 data points across 12 retailers

13 retailers$810 USD to $8,340 USD

Retailer 1
-
$611 USD
Price last confirmed 32 days ago
Retailer 2
-
$667 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$711 USD
£560 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
$810 USD
View
B+
Retailer 5
-
$1,044 USD
View
A
Retailer 6
-
$1,050 USD
£827 GBP
View
A
Retailer 7
-
$1,128 USD
View
A
Retailer 8
-
$1,157 USD
€1,102 EUR
View
B+
Retailer 9
-
$1,745 USD
View
B+
Retailer 10
-
$2,461 USD
View
B
Retailer 11
-
$2,826 USD
£2,225 GBP
View
Retailer 12
-
$4,070 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
11883856A · Oct 29
$8,340 USD
View
12 more retailers have this diamond
Prices start from $810 USDSave up to $7,530 USD

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
$810 USD