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Oval|Lab Grown|IGI

3.91ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG791655393

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG791655393

Diamond specifications and retailer prices

From $1,916 SGD
$1,499 USD
As of October 23, 2026
Save $4,412 SGD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,328 SGD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.91ct lab-grown oval diamond

This 3.91ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791655393 or 791655393. Listed at 9 retailers as of October 23, 2026, with prices from $1,916 to $6,328, a $4,412 spread on the same certified stone. Brilliant Earth lists it at $6,328. 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

3.91
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791655393
Dimensions12.47 × 9.00 × 5.48 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.47 mm9.00 mm3.91 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791655393
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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 23
Current: $6,328 SGD|Low: $489 SGD|High: $11,902 SGD|Avg: $2,381 SGD|-46.8%
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
Retailer 18
October 23, 2026
Retailer 6$489 SGD
Retailer 8$539 SGD
Retailer 11$1,036 SGD
Retailer 16$1,120 SGD
Retailer 17$1,140 SGD
Retailer 3$1,195 SGD
Retailer 18$1,343 SGD
Retailer 12$1,379 SGD
Retailer 15$1,916 SGD
Retailer 4$2,005 SGD
Retailer 14$2,133 SGD
Retailer 5$2,726 SGD
Retailer 7$2,869 SGD
Retailer 10$2,988 SGD
Retailer 9$4,797 SGD
Retailer 13$5,835 SGD
Retailer 2$6,175 SGD
Brilliant Earth$6,328 SGD

13 data points across 18 retailers

9 retailers$1,916 SGD to $6,328 SGD

Retailer 1
-
$1,036 SGD
$810 USD
Price last confirmed 6 days ago
Retailer 2
-
$1,120 SGD
$876 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$1,140 SGD
$892 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$1,916 SGD
$1,499 USD
View
Retailer 5
-
$2,133 SGD
$1,669 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$4,797 SGD
$3,752 USD
View
Price last confirmed 51 days ago
Retailer 7
-
$5,835 SGD
$4,564 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$6,175 SGD
$4,830 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21657321A · Oct 26
$6,328 SGD
$4,950 USD
View
8 more retailers have this diamond
Prices start from $1,916 SGDSave up to $4,412 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
3.91ct Oval
$1,916 SGD