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Round|Lab Grown|IGI

1.57ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG476157423

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476157423

Diamond specifications and retailer prices

From $1,610 CAD
$1,150 USD
As of October 29, 2026
Save $4,816 CAD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,426 CAD at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476157423 or 476157423. Listed at 10 retailers as of October 29, 2026, with prices from $1,610 to $6,426, a $4,816 spread on the same certified stone. MOH London lists it at $6,426. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476157423
Dimensions7.37 × 7.33 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.37 mm7.33 mm1.57 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476157423
Side View
Table 56.5%Crown 35.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.1%

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: $6,426 CAD|Low: $1,610 CAD|High: $6,477 CAD|Avg: $3,500 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2$1,610 CAD
Retailer 4$2,160 CAD
Retailer 7$2,519 CAD
Retailer 6$3,064 CAD
Retailer 3$3,535 CAD
Retailer 5$4,062 CAD
Retailer 8$5,010 CAD
MOH London$6,426 CAD

13 data points across 8 retailers

10 retailers$1,610 CAD to $6,426 CAD

A
Cheapest Retailer
-
$1,610 CAD
$1,150 USD
B+
Retailer 2
-
$1,929 CAD
$1,378 USD
View
B+
Retailer 3
-
$2,099 CAD
$1,500 USD
View
B+
Retailer 4
-
$2,160 CAD
$1,543 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,238 CAD
$1,599 USD
View
Retailer 6
-
$2,238 CAD
$1,599 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$3,535 CAD
$2,526 USD
View
B
Retailer 8
-
$4,062 CAD
$2,902 USD
View
B
Retailer 9
-
$4,195 CAD
$2,997 USD
View
Most Expensive
B
MOH London
LG476157423 · Oct 29
$6,426 CAD
£3,615 GBP
View
9 more retailers have this diamond
Prices start from $1,610 CADSave up to $4,816 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
$1,610 CAD