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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 $2,134 AUD
$1,499 USD
As of October 23, 2026
Save $4,912 AUD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,046 AUD 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 $2,134 to $7,046, a $4,912 spread on the same certified stone. Brilliant Earth lists it at $7,046. 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: $7,046 AUD|Low: $544 AUD|High: $13,252 AUD|Avg: $2,651 AUD|-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$544 AUD
Retailer 8$601 AUD
Retailer 11$1,153 AUD
Retailer 16$1,247 AUD
Retailer 17$1,270 AUD
Retailer 3$1,331 AUD
Retailer 18$1,496 AUD
Retailer 12$1,535 AUD
Retailer 15$2,134 AUD
Retailer 4$2,232 AUD
Retailer 14$2,375 AUD
Retailer 5$3,035 AUD
Retailer 7$3,194 AUD
Retailer 10$3,326 AUD
Retailer 9$5,341 AUD
Retailer 13$6,497 AUD
Retailer 2$6,875 AUD
Brilliant Earth$7,046 AUD

13 data points across 18 retailers

9 retailers$2,134 AUD to $7,046 AUD

Retailer 1
-
$1,153 AUD
$810 USD
Price last confirmed 6 days ago
Retailer 2
-
$1,247 AUD
$876 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$1,270 AUD
$892 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$2,134 AUD
$1,499 USD
View
Retailer 5
-
$2,375 AUD
$1,669 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$5,341 AUD
$3,752 USD
View
Price last confirmed 50 days ago
Retailer 7
-
$6,497 AUD
$4,564 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$6,875 AUD
$4,830 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21657321A · Oct 26
$7,046 AUD
$4,950 USD
View
8 more retailers have this diamond
Prices start from $2,134 AUDSave up to $4,912 AUD

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
$2,134 AUD