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Oval|Lab Grown|IGI

3.91ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG662457293

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG662457293

Diamond specifications and retailer prices

From $717 CAD
$512 USD
As of October 29, 2026
Save $8,269 CAD (92%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,985 CAD at Brilliant Earth · As of October 29, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG662457293 or 662457293. Listed at 9 retailers as of October 29, 2026, with prices from $717 to $8,985, a $8,269 spread on the same certified stone. Brilliant Earth lists it at $8,985. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.91
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662457293
Dimensions12.76 × 8.91 × 5.42 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.76 mm8.91 mm3.91 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662457293
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.8%

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: $8,985 CAD|Low: $717 CAD|High: $9,265 CAD|Avg: $3,634 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8$717 CAD
Retailer 7$802 CAD
Retailer 5$1,380 CAD
Retailer 3$1,386 CAD
Retailer 4$2,293 CAD
Retailer 9$2,579 CAD
Retailer 2$4,280 CAD
Retailer 6$6,368 CAD
Brilliant Earth$8,985 CAD

20 data points across 9 retailers

9 retailers$717 CAD to $8,985 CAD

A
Cheapest Retailer
-
$717 CAD
$512 USD
A
Retailer 2
-
$802 CAD
$573 USD
View
B+
Retailer 3
-
$1,380 CAD
$986 USD
View
A
Retailer 4
-
$1,386 CAD
$990 USD
View
B+
Retailer 5
-
$2,293 CAD
$1,638 USD
View
B
Retailer 6
-
$2,579 CAD
$1,843 USD
View
B
Retailer 7
-
$4,280 CAD
£2,408 GBP
View
B
Retailer 8
-
$6,368 CAD
$4,550 USD
View
Most Expensive
B
Brilliant Earth
12629184Y · Oct 29
$8,985 CAD
$6,420 USD
View
8 more retailers have this diamond
Prices start from $717 CADSave up to $8,269 CAD

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
$717 CAD