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Oval|Lab Grown|IGI

4.02ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG780666023

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780666023

Diamond specifications and retailer prices

From $3,461 AUD
$2,431 USD
As of October 30, 2026
Save $16,413 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $19,873 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780666023 or 780666023. Listed at 15 retailers as of October 29, 2026, with prices from $3,461 to $19,873, a $16,413 spread on the same certified stone. Do Amore Diamonds lists it at $19,873. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666023
Dimensions12.55 × 8.86 × 5.59 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
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
12.55 mm8.86 mm4.02 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666023
Side View
Table 56.0%Crown 35.9°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 63.1%

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: $19,873 AUD|Low: $3,445 AUD|High: $34,679 AUD|Avg: $10,479 AUD|-42.7%
Do Amore Diamonds
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 8$3,461 AUD
Retailer 6$3,587 AUD
Retailer 4$3,605 AUD
Retailer 7$5,242 AUD
Retailer 9$5,374 AUD
Retailer 11$6,010 AUD
Retailer 10$6,203 AUD
Retailer 12$9,210 AUD
Retailer 3$10,036 AUD
Retailer 5$10,088 AUD
Retailer 2$13,282 AUD
Do Amore Diamonds$19,873 AUD

34 data points across 12 retailers

15 retailers$3,461 AUD to $19,873 AUD

A
Cheapest Retailer
-
$3,461 AUD
$2,431 USD
A
Retailer 2
-
$3,587 AUD
$2,520 USD
View
A
Retailer 3
-
$3,605 AUD
$2,532 USD
View
Final sale: no returns
Retailer 4
-
$4,585 AUD
$3,221 USD
View
Price last confirmed 26 days ago
Retailer 5
-
$5,196 AUD
$3,650 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
$5,242 AUD
$3,682 USD
View
A
Retailer 7
-
$5,374 AUD
$3,775 USD
View
A
Retailer 8
-
$6,010 AUD
$4,222 USD
View
A
Retailer 9
-
$6,203 AUD
€4,150 EUR
View
Retailer 10
-
$7,642 AUD
$5,368 USD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
$9,210 AUD
$6,469 USD
View
Retailer 12
-
$10,036 AUD
$7,050 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$10,088 AUD
£5,580 GBP
View
B+
Retailer 14
-
$13,282 AUD
$9,330 USD
View
Most Expensive
B
Do Amore Diamonds
27-73E1C4B1A · Oct 29
$19,873 AUD
$13,960 USD
View
14 more retailers have this diamond
Prices start from $3,461 AUDSave up to $16,413 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
$3,461 AUD