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 €4,431 EUR
$4,950 USD
As of October 26, 2026
9 retailers carry this diamond
Most expensive: €4,431 EUR at Brilliant Earth
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 26, 2026. 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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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 26
Current: €4,431 EUR|Low: €342 EUR|High: €8,333 EUR|Avg: €1,650 EUR|-46.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 23, 2026
Retailer 6€342 EUR
Retailer 8€378 EUR
Retailer 11€725 EUR
Retailer 16€784 EUR
Retailer 17€798 EUR
Retailer 3€837 EUR
Retailer 18€941 EUR
Retailer 12€965 EUR
Retailer 15€1,342 EUR
Retailer 4€1,404 EUR
Retailer 14€1,494 EUR
Retailer 5€1,908 EUR
Retailer 7€2,009 EUR
Retailer 10€2,092 EUR
Retailer 9€3,359 EUR
Retailer 13€4,085 EUR
Retailer 2€4,323 EUR
Brilliant Earth€4,431 EUR

12 data points across 18 retailers

9 retailers

Retailer 1
-
€725 EUR
$810 USD
Price last confirmed 7 days ago
Retailer 2
-
€784 EUR
$876 USD
View
Price last confirmed 8 days ago
Retailer 3
-
€798 EUR
$892 USD
View
Price last confirmed 10 days ago
Retailer 4
-
€1,342 EUR
$1,499 USD
View
Price last confirmed 7 days ago
Retailer 5
-
€1,494 EUR
$1,669 USD
View
Price last confirmed 9 days ago
Retailer 6
-
€3,359 EUR
$3,752 USD
View
Price last confirmed 52 days ago
Retailer 7
-
€4,085 EUR
$4,564 USD
View
Price last confirmed 10 days ago
Retailer 8
-
€4,323 EUR
$4,830 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21657321A · Oct 26
€4,431 EUR
$4,950 USD
View
8 more retailers have this diamond

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.

B
3.91ct Oval
€4,431 EUR