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Round|Lab Grown|IGI

1.57ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG784636784

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784636784

Diamond specifications and retailer prices

From $520 CAD
$372 USD
As of November 1, 2026
Save $1,043 CAD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,563 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784636784 or 784636784. Listed at 8 retailers as of November 1, 2026, with prices from $520 to $1,563, a $1,043 spread on the same certified stone. MOH London lists it at $1,563. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784636784
Dimensions7.51 × 7.47 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm7.47 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784636784
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 60.7%

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 1
Current: $1,563 CAD|Low: $510 CAD|High: $1,582 CAD|Avg: $985 CAD|+2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$520 CAD
Retailer 3$640 CAD
Retailer 8$690 CAD
Retailer 2$726 CAD
Retailer 5$852 CAD
Retailer 4$1,027 CAD
Retailer 6$1,328 CAD
Retailer 9$1,537 CAD
MOH London$1,563 CAD

41 data points across 9 retailers

8 retailers$520 CAD to $1,563 CAD

B+
Cheapest Retailer
-
$520 CAD
$372 USD
A
Retailer 2
-
$640 CAD
€436 EUR
View
A
Retailer 3
-
$690 CAD
$494 USD
View
A
Retailer 4
-
$726 CAD
£409 GBP
View
B+
Retailer 5
-
$852 CAD
$610 USD
View
Retailer 6
-
$1,027 CAD
$735 USD
View
Price last confirmed 14 days ago
B
Retailer 7
-
$1,328 CAD
$951 USD
View
Most Expensive
B
MOH London
LG784636784 · Nov 1
$1,563 CAD
£881 GBP
View
7 more retailers have this diamond
Prices start from $520 CADSave up to $1,043 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 Round
$520 CAD