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Oval|Lab Grown|IGI

4.09ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG780663854

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780663854

Diamond specifications and retailer prices

From $5,105 NZD
$2,877 USD
As of October 29, 2026
Save $13,756 NZD (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $18,861 NZD at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.09ct lab-grown oval diamond

This 4.09ct 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 LG780663854 or 780663854. Listed at 12 retailers as of October 29, 2026, with prices from $5,105 to $18,861, a $13,756 spread on the same certified stone. With Clarity lists it at $18,861. 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

4.09
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663854
Dimensions12.66 × 9.08 × 5.68 mm
L/W Ratio1.39
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
12.66 mm9.08 mm4.09 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663854
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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 29
Current: $16,998 NZD|Low: $5,105 NZD|High: $32,349 NZD|Avg: $14,600 NZD|-42.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 30, 2026
Retailer 8$5,105 NZD
Retailer 10$5,950 NZD
Retailer 4$6,685 NZD
Retailer 7$7,346 NZD
Retailer 11$7,769 NZD
Retailer 9$9,977 NZD
Retailer 5$12,772 NZD
Retailer 3$12,775 NZD
Retailer 6$13,045 NZD
Retailer 2$16,988 NZD
Retailer 1$16,998 NZD
With Clarity$18,861 NZD

40 data points across 12 retailers

12 retailers$5,105 NZD to $18,861 NZD

A
Cheapest Retailer
-
$5,105 NZD
$2,877 USD
A
Retailer 2
-
$5,950 NZD
HK$26,200 HKD
View
A
Retailer 3
-
$6,685 NZD
£2,967 GBP
View
A
Retailer 4
-
$7,346 NZD
$4,140 USD
View
A
Retailer 5
-
$7,769 NZD
€4,170 EUR
View
A
Retailer 6
-
$9,977 NZD
$5,623 USD
View
B+
Retailer 7
-
$12,772 NZD
$7,198 USD
View
Retailer 8
-
$12,775 NZD
$7,200 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$13,045 NZD
£5,789 GBP
View
B+
Retailer 10
-
$16,988 NZD
$9,574 USD
View
B
Retailer 11
-
$16,998 NZD
$9,580 USD
View
Most Expensive
B
With Clarity
780663854 · Oct 30
$18,861 NZD
$10,630 USD
View
11 more retailers have this diamond
Prices start from $5,105 NZDSave up to $13,756 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
4.09ct Oval
$5,105 NZD