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 $4,313 NZD
$2,431 USD
As of October 30, 2026
Save $20,456 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $24,769 NZD 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 $4,313 to $24,769, a $20,456 spread on the same certified stone. Do Amore Diamonds lists it at $24,769. 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: $24,769 NZD|Low: $4,294 NZD|High: $43,222 NZD|Avg: $13,061 NZD|-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$4,313 NZD
Retailer 6$4,471 NZD
Retailer 4$4,493 NZD
Retailer 7$6,533 NZD
Retailer 9$6,698 NZD
Retailer 11$7,491 NZD
Retailer 10$7,732 NZD
Retailer 12$11,478 NZD
Retailer 3$12,509 NZD
Retailer 5$12,574 NZD
Retailer 2$16,554 NZD
Do Amore Diamonds$24,769 NZD

34 data points across 12 retailers

15 retailers$4,313 NZD to $24,769 NZD

A
Cheapest Retailer
-
$4,313 NZD
$2,431 USD
A
Retailer 2
-
$4,471 NZD
$2,520 USD
View
A
Retailer 3
-
$4,493 NZD
$2,532 USD
View
Final sale: no returns
Retailer 4
-
$5,715 NZD
$3,221 USD
View
Price last confirmed 26 days ago
Retailer 5
-
$6,476 NZD
$3,650 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$6,533 NZD
$3,682 USD
View
A
Retailer 7
-
$6,698 NZD
$3,775 USD
View
A
Retailer 8
-
$7,491 NZD
$4,222 USD
View
A
Retailer 9
-
$7,732 NZD
€4,150 EUR
View
Retailer 10
-
$9,524 NZD
$5,368 USD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
$11,478 NZD
$6,469 USD
View
Retailer 12
-
$12,509 NZD
$7,050 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$12,574 NZD
£5,580 GBP
View
B+
Retailer 14
-
$16,554 NZD
$9,330 USD
View
Most Expensive
B
Do Amore Diamonds
27-73E1C4B1A · Oct 29
$24,769 NZD
$13,960 USD
View
14 more retailers have this diamond
Prices start from $4,313 NZDSave up to $20,456 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
$4,313 NZD