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Oval|Lab Grown|IGI

4.02ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG843670830

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843670830

Diamond specifications and retailer prices

From $3,003 AUD
£1,661 GBP
As of October 30, 2026
Save $17,466 AUD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $20,468 AUD at Brilliant Earth · As of October 29, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843670830 or 843670830. Listed at 11 retailers as of October 29, 2026, with prices from $3,003 to $20,468, a $17,466 spread on the same certified stone. Brilliant Earth lists it at $20,468. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670830
Dimensions12.43 × 8.84 × 5.45 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.43 mm8.84 mm4.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670830
Side View
Table 55.0%Crown 36.6°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 61.7%

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: $20,468 AUD|Low: $3,003 AUD|High: $21,294 AUD|Avg: $9,042 AUD
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 2$3,003 AUD
Retailer 8$3,402 AUD
Retailer 10$5,099 AUD
Retailer 11$5,497 AUD
Retailer 4$5,877 AUD
Retailer 7$5,967 AUD
Retailer 12$8,505 AUD
Retailer 3$8,576 AUD
Retailer 5$9,805 AUD
Retailer 9$10,071 AUD
Retailer 6$19,316 AUD
Brilliant Earth$20,468 AUD

13 data points across 12 retailers

11 retailers$3,003 AUD to $20,468 AUD

A
Cheapest Retailer
-
$3,003 AUD
£1,661 GBP
A
Retailer 2
-
$3,402 AUD
$2,390 USD
View
A
Retailer 3
-
$5,099 AUD
$3,582 USD
View
A
Retailer 4
-
$5,497 AUD
$3,862 USD
View
A
Retailer 5
-
$5,967 AUD
$4,192 USD
View
Retailer 6
-
$8,505 AUD
View
Price last confirmed 7 days ago
Retailer 7
-
$8,576 AUD
$6,025 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$9,805 AUD
£5,424 GBP
View
B+
Retailer 9
-
$10,071 AUD
$7,075 USD
View
B
Retailer 10
-
$19,316 AUD
$13,570 USD
View
Most Expensive
B
Brilliant Earth
22165576Y · Oct 29
$20,468 AUD
$14,380 USD
View
10 more retailers have this diamond
Prices start from $3,003 AUDSave up to $17,466 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
4.02ct Oval
$3,003 AUD