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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 $3,687 SGD
$2,877 USD
As of October 29, 2026
Save $17,127 SGD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,815 SGD 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 $3,687 to $20,815, a $17,127 spread on the same certified stone. Brilliant Earth lists it at $20,815. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $20,815 SGD|Low: $3,687 SGD|High: $23,368 SGD|Avg: $10,446 SGD|-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$3,687 SGD
Retailer 10$4,298 SGD
Retailer 2$4,829 SGD
Retailer 7$5,306 SGD
Retailer 11$5,612 SGD
Retailer 9$7,207 SGD
Retailer 5$9,226 SGD
Retailer 4$9,228 SGD
Retailer 6$9,423 SGD
Retailer 3$12,272 SGD
Retailer 12$13,624 SGD
Brilliant Earth$20,815 SGD

40 data points across 12 retailers

12 retailers$3,687 SGD to $20,815 SGD

A
Cheapest Retailer
-
$3,687 SGD
$2,877 USD
A
Retailer 2
-
$4,298 SGD
HK$26,200 HKD
View
A
Retailer 3
-
$4,829 SGD
£2,967 GBP
View
A
Retailer 4
-
$5,306 SGD
$4,140 USD
View
A
Retailer 5
-
$5,612 SGD
€4,170 EUR
View
A
Retailer 6
-
$7,207 SGD
$5,623 USD
View
B+
Retailer 7
-
$9,226 SGD
$7,198 USD
View
Retailer 8
-
$9,228 SGD
$7,200 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$9,423 SGD
£5,789 GBP
View
B+
Retailer 10
-
$12,272 SGD
$9,574 USD
View
B+
Retailer 11
-
$13,624 SGD
$10,630 USD
View
Most Expensive
B
Brilliant Earth
19711969A · Oct 29
$20,815 SGD
$16,240 USD
View
11 more retailers have this diamond
Prices start from $3,687 SGDSave up to $17,127 SGD

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
$3,687 SGD