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Oval|Lab Grown|IGI

4.02ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG804663225

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804663225

Diamond specifications and retailer prices

From $823 NZD
£365 GBP
As of October 30, 2026
Save $7,978 NZD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,801 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.02ct lab-grown oval diamond

This 4.02ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG804663225 or 804663225. Listed at 17 retailers as of October 30, 2026, with prices from $823 to $8,801, a $7,978 spread on the same certified stone. Brilliant Earth lists it at $8,801. 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

4.02
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804663225
Dimensions12.57 × 8.97 × 5.48 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.57 mm8.97 mm4.02 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804663225
Side View
Table 60.0%Crown 36.8°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 61.1%

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 30
Current: $8,801 NZD|Low: $820 NZD|High: $9,439 NZD|Avg: $2,824 NZD|-5.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 14$823 NZD
Retailer 3$887 NZD
Retailer 12$887 NZD
Retailer 2$983 NZD
Retailer 4$983 NZD
Retailer 15$1,233 NZD
Retailer 7$1,317 NZD
Retailer 10$1,533 NZD
Retailer 6$1,583 NZD
Retailer 13$1,625 NZD
Retailer 9$2,429 NZD
Retailer 17$2,642 NZD
Retailer 11$3,160 NZD
Retailer 8$3,217 NZD
Retailer 5$3,351 NZD
Retailer 16$3,614 NZD
Brilliant Earth$8,801 NZD

43 data points across 17 retailers

17 retailers$823 NZD to $8,801 NZD

A
Cheapest Retailer
-
$823 NZD
£365 GBP
A
Retailer 2
-
$887 NZD
$500 USD
View
Final sale: no returns
A
Retailer 3
-
$887 NZD
$500 USD
View
Retailer 4
-
$983 NZD
$554 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$983 NZD
$554 USD
View
A
Retailer 6
-
$1,233 NZD
$695 USD
View
B+
Retailer 7
-
$1,317 NZD
$742 USD
View
A
Retailer 8
-
$1,533 NZD
€823 EUR
View
A
Retailer 9
-
$1,583 NZD
$892 USD
View
A
Retailer 10
-
$1,625 NZD
£721 GBP
View
B+
Retailer 11
-
$2,429 NZD
$1,369 USD
View
B+
Retailer 12
-
$2,642 NZD
$1,489 USD
View
B+
Retailer 13
-
$3,160 NZD
$1,781 USD
View
B+
Retailer 14
-
$3,217 NZD
$1,813 USD
View
B
Retailer 15
-
$3,351 NZD
$1,889 USD
View
B
Retailer 16
-
$3,614 NZD
£1,604 GBP
View
Most Expensive
B
Brilliant Earth
20518074A · Oct 31
$8,801 NZD
$4,960 USD
View
16 more retailers have this diamond
Prices start from $823 NZDSave up to $7,978 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
4.02ct Oval
$823 NZD