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Oval|Lab Grown|IGI

3.99ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG784644621

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784644621

Diamond specifications and retailer prices

From $2,371 SGD
$1,850 USD
As of October 29, 2026
Save $17,752 SGD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,123 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.99ct lab-grown oval diamond

This 3.99ct 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 LG784644621 or 784644621. Listed at 14 retailers as of October 29, 2026, with prices from $2,371 to $20,123, a $17,752 spread on the same certified stone. Brilliant Earth lists it at $20,123. 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

3.99
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644621
Dimensions12.62 × 8.98 × 5.43 mm
L/W Ratio1.41
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
12.62 mm8.98 mm3.99 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644621
Side View
Table 58.0%Crown 36.5°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
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: $20,123 SGD|Low: $2,371 SGD|High: $23,993 SGD|Avg: $8,102 SGD|-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
October 29, 2026
Retailer 6$2,371 SGD
Retailer 8$2,433 SGD
Retailer 7$3,511 SGD
Retailer 10$3,941 SGD
Retailer 11$4,106 SGD
Retailer 4$4,358 SGD
Retailer 12$5,410 SGD
Retailer 3$6,203 SGD
Retailer 2$7,063 SGD
Retailer 5$8,261 SGD
Retailer 9$13,214 SGD
Brilliant Earth$20,123 SGD

30 data points across 12 retailers

14 retailers$2,371 SGD to $20,123 SGD

A
Cheapest Retailer
-
$2,371 SGD
$1,850 USD
A
Retailer 2
-
$2,433 SGD
$1,898 USD
View
Retailer 3
-
$3,094 SGD
$2,414 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$3,507 SGD
$2,736 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$3,511 SGD
$2,739 USD
View
A
Retailer 6
-
$3,941 SGD
$3,075 USD
View
A
Retailer 7
-
$4,106 SGD
€3,051 EUR
View
B+
Retailer 8
-
$5,410 SGD
$4,221 USD
View
Retailer 9
-
$5,672 SGD
$4,425 USD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$6,203 SGD
$4,840 USD
View
B+
Retailer 11
-
$7,063 SGD
£4,339 GBP
View
B+
Retailer 12
-
$8,261 SGD
$6,445 USD
View
B
Retailer 13
-
$13,214 SGD
$10,310 USD
View
Most Expensive
B
Brilliant Earth
19021182Y · Oct 29
$20,123 SGD
$15,700 USD
View
13 more retailers have this diamond
Prices start from $2,371 SGDSave up to $17,752 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
3.99ct Oval
$2,371 SGD