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Oval|Lab Grown|IGI

1.40ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG517297399

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG517297399

Diamond specifications and retailer prices

From $544 CAD
As of November 5, 2026
Save $890 CAD (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,434 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.4ct lab-grown oval diamond

This 1.4ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG517297399 or 517297399. Listed at 4 retailers as of November 2, 2026, with prices from $544 to $1,434, a $890 spread on the same certified stone. MOH London lists it at $1,434. 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

1.40
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517297399
Dimensions8.76 × 6.41 × 3.96 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
8.76 mm6.41 mm1.40 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517297399
Side View
Table 59.0%Crown 36.4°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 61.8%

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: Nov 5
Current: $1,434 CAD|Low: $415 CAD|High: $1,452 CAD|Avg: $776 CAD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2$544 CAD
Retailer 3$546 CAD
Retailer 4$716 CAD
MOH London$1,434 CAD

40 data points across 4 retailers

4 retailers$544 CAD to $1,434 CAD

A
Cheapest Retailer
-
$544 CAD
B+
Retailer 2
-
$546 CAD
View
B+
Retailer 3
-
$716 CAD
View
Most Expensive
B
MOH London
LG517297399 · Nov 2
$1,434 CAD
£803 GBP
View
3 more retailers have this diamond
Prices start from $544 CADSave up to $890 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
1.40ct Oval
$544 CAD