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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 $1,437 NZD
$810 USD
As of October 31, 2026
Save $7,292 NZD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,730 NZD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $1,437 to $8,730, a $7,292 spread on the same certified stone. Brilliant Earth lists it at $8,730. 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 31
Current: $8,730 NZD|Low: $1,199 NZD|High: $15,241 NZD|Avg: $4,036 NZD|-42.7%
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 31, 2026
Retailer 12$1,199 NZD
Retailer 10$1,262 NZD
Retailer 6$1,437 NZD
Retailer 11$1,852 NZD
Retailer 5$1,854 NZD
Retailer 2$1,926 NZD
Retailer 3$2,001 NZD
Retailer 8$3,096 NZD
Retailer 4$4,367 NZD
Retailer 7$5,014 NZD
Retailer 9$7,221 NZD
Brilliant Earth$8,730 NZD

37 data points across 12 retailers

13 retailers$1,437 NZD to $8,730 NZD

Retailer 1
-
$1,084 NZD
$611 USD
Price last confirmed 34 days ago
Retailer 2
-
$1,183 NZD
$667 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$1,262 NZD
£560 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,437 NZD
$810 USD
View
B+
Retailer 5
-
$1,852 NZD
$1,044 USD
View
A
Retailer 6
-
$1,854 NZD
£823 GBP
View
A
Retailer 7
-
$1,926 NZD
€1,034 EUR
View
A
Retailer 8
-
$2,001 NZD
$1,128 USD
View
B+
Retailer 9
-
$3,096 NZD
$1,745 USD
View
B
Retailer 10
-
$4,367 NZD
$2,461 USD
View
B
Retailer 11
-
$5,014 NZD
£2,225 GBP
View
Retailer 12
-
$7,221 NZD
$4,070 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
11883856A · Oct 30
$8,730 NZD
$4,920 USD
View
12 more retailers have this diamond
Prices start from $1,437 NZDSave up to $7,292 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
5.52ct Radiant
$1,437 NZD