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Oval|Lab Grown|IGI

4.00ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG780661620

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780661620

Diamond specifications and retailer prices

From $2,826 CAD
$2,019 USD
As of October 29, 2026
Save $19,204 CAD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $22,030 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4ct lab-grown oval diamond

This 4ct 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 LG780661620 or 780661620. Listed at 13 retailers as of October 28, 2026, with prices from $2,826 to $22,030, a $19,204 spread on the same certified stone. Brilliant Earth lists it at $22,030. 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

4.00
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661620
Dimensions12.83 × 8.78 × 5.39 mm
L/W Ratio1.46
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
12.83 mm8.78 mm4.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661620
Side View
Table 57.0%Crown 36.4°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 61.4%

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: $22,030 CAD|Low: $2,826 CAD|High: $37,182 CAD|Avg: $12,736 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 10$2,826 CAD
Retailer 11$3,513 CAD
Retailer 4$4,833 CAD
Retailer 16$4,945 CAD
Retailer 3$4,973 CAD
Retailer 8$5,794 CAD
Retailer 2$5,853 CAD
Retailer 6$7,292 CAD
Retailer 7$7,846 CAD
Retailer 15$9,011 CAD
Retailer 17$9,755 CAD
Retailer 12$9,869 CAD
Retailer 5$9,989 CAD
Retailer 14$14,843 CAD
Retailer 13$19,440 CAD
Brilliant Earth$22,030 CAD
Retailer 9$37,182 CAD

16 data points across 17 retailers

13 retailers$2,826 CAD to $22,030 CAD

A
Cheapest Retailer
-
$2,826 CAD
$2,019 USD
A
Retailer 2
-
$3,513 CAD
$2,510 USD
View
A
Retailer 3
-
$4,833 CAD
$3,453 USD
View
A
Retailer 4
-
$4,945 CAD
$3,533 USD
View
A
Retailer 5
-
$4,973 CAD
$3,553 USD
View
A
Retailer 6
-
$5,853 CAD
$4,182 USD
View
Retailer 7
-
$7,846 CAD
$5,606 USD
View
Price last confirmed 36 days ago
B+
Retailer 8
-
$9,011 CAD
$6,439 USD
View
B+
Retailer 9
-
$9,755 CAD
$6,970 USD
View
B+
Retailer 10
-
$9,869 CAD
£5,552 GBP
View
B+
Retailer 11
-
$14,843 CAD
$10,605 USD
View
B
Retailer 12
-
$19,440 CAD
$13,890 USD
View
Most Expensive
B
Brilliant Earth
18495034Y · Oct 28
$22,030 CAD
$15,740 USD
View
12 more retailers have this diamond
Prices start from $2,826 CADSave up to $19,204 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
4.00ct Oval
$2,826 CAD