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Oval|Lab Grown|IGI

1.57ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG577390712

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG577390712

Diamond specifications and retailer prices

From $305 CAD
$218 USD
As of October 29, 2026
Save $1,216 CAD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,522 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG577390712 or 577390712. Listed at 13 retailers as of October 29, 2026, with prices from $305 to $1,522, a $1,216 spread on the same certified stone. MOH London lists it at $1,522. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577390712
Dimensions9.12 × 6.60 × 4.13 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.12 mm6.60 mm1.57 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577390712
Side View
Table 62.0%Crown 36.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: $1,522 CAD|Low: $293 CAD|High: $1,675 CAD|Avg: $758 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 8$305 CAD
Retailer 4$353 CAD
Retailer 3$378 CAD
Retailer 10$378 CAD
Retailer 2$485 CAD
Retailer 11$647 CAD
Retailer 12$687 CAD
Retailer 6$701 CAD
Retailer 5$841 CAD
Retailer 13$1,213 CAD
Retailer 7$1,218 CAD
Retailer 9$1,309 CAD
MOH London$1,522 CAD

45 data points across 13 retailers

13 retailers$305 CAD to $1,522 CAD

A
Cheapest Retailer
-
$305 CAD
$218 USD
A
Retailer 2
-
$353 CAD
$252 USD
View
A
Retailer 3
-
$378 CAD
$270 USD
View
A
Retailer 4
-
$378 CAD
$270 USD
View
A
Retailer 5
-
$485 CAD
£273 GBP
View
B+
Retailer 6
-
$647 CAD
$462 USD
View
A
Retailer 7
-
$687 CAD
$491 USD
View
A
Retailer 8
-
$701 CAD
£394 GBP
View
B+
Retailer 9
-
$841 CAD
$601 USD
View
B
Retailer 10
-
$1,213 CAD
$867 USD
View
B
Retailer 11
-
$1,218 CAD
$870 USD
View
Retailer 12
-
$1,309 CAD
$935 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG577390712 · Oct 29
$1,522 CAD
£856 GBP
View
12 more retailers have this diamond
Prices start from $305 CADSave up to $1,216 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
1.57ct Oval
$305 CAD