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Oval|Lab Grown|IGI

3.91ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG778661494

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778661494

Diamond specifications and retailer prices

From $768 USD
HK$6,000 HKD
As of October 30, 2026
Save $2,289 USD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,057 USD at MOH London · As of October 29, 2026
View at MOH London

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 LG778661494 or 778661494. Listed at 8 retailers as of October 29, 2026, with prices from $768 to $3,057, a $2,289 spread on the same certified stone. MOH London lists it at $3,057. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778661494
Dimensions12.41 × 8.86 × 5.59 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.41 mm8.86 mm3.91 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778661494
Side View
Table 55.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

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 30
Current: $3,057 USD|Low: $768 USD|High: $3,247 USD|Avg: $1,648 USD|-4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$768 USD
Retailer 3$950 USD
Retailer 5$1,011 USD
Retailer 2$1,093 USD
Retailer 9$1,162 USD
Retailer 7$1,907 USD
Retailer 6$2,270 USD
Retailer 4$2,311 USD
MOH London$3,057 USD

42 data points across 9 retailers

8 retailers$768 USD to $3,057 USD

A
Cheapest Retailer
-
$768 USD
HK$6,000 HKD
B+
Retailer 2
-
$950 USD
View
A
Retailer 3
-
$1,011 USD
View
A
Retailer 4
-
$1,093 USD
£861 GBP
View
B+
Retailer 5
-
$1,907 USD
View
B+
Retailer 6
-
$2,270 USD
View
B+
Retailer 7
-
$2,311 USD
View
Most Expensive
B
MOH London
LG778661494 · Oct 29
$3,057 USD
£2,407 GBP
View
7 more retailers have this diamond
Prices start from $768 USDSave up to $2,289 USD

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
$768 USD