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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 $4,027 CAD
$2,877 USD
As of October 29, 2026
Save $18,703 CAD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $22,730 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 $4,027 to $22,730, a $18,703 spread on the same certified stone. Brilliant Earth lists it at $22,730. 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
Color
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: $22,730 CAD|Low: $4,027 CAD|High: $25,518 CAD|Avg: $11,407 CAD|-2.2%
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 8$4,027 CAD
Retailer 10$4,694 CAD
Retailer 2$5,273 CAD
Retailer 7$5,794 CAD
Retailer 11$6,128 CAD
Retailer 9$7,870 CAD
Retailer 5$10,075 CAD
Retailer 4$10,077 CAD
Retailer 6$10,290 CAD
Retailer 3$13,400 CAD
Retailer 12$14,878 CAD
Brilliant Earth$22,730 CAD

40 data points across 12 retailers

12 retailers$4,027 CAD to $22,730 CAD

A
Cheapest Retailer
-
$4,027 CAD
$2,877 USD
A
Retailer 2
-
$4,694 CAD
HK$26,200 HKD
View
A
Retailer 3
-
$5,273 CAD
£2,967 GBP
View
A
Retailer 4
-
$5,794 CAD
$4,140 USD
View
A
Retailer 5
-
$6,128 CAD
€4,170 EUR
View
A
Retailer 6
-
$7,870 CAD
$5,623 USD
View
B+
Retailer 7
-
$10,075 CAD
$7,198 USD
View
Retailer 8
-
$10,077 CAD
$7,200 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$10,290 CAD
£5,789 GBP
View
B+
Retailer 10
-
$13,400 CAD
$9,574 USD
View
B+
Retailer 11
-
$14,878 CAD
$10,630 USD
View
Most Expensive
B
Brilliant Earth
19711969A · Oct 29
$22,730 CAD
$16,240 USD
View
11 more retailers have this diamond
Prices start from $4,027 CADSave up to $18,703 CAD

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
$4,027 CAD