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Round|Lab Grown|IGI

1.57ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG758503526

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758503526

Diamond specifications and retailer prices

From $274 CAD
$196 USD
As of October 29, 2026
Save $1,318 CAD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,591 CAD at MOH London · As of October 26, 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 LG758503526 or 758503526. Listed at 12 retailers as of October 26, 2026, with prices from $274 to $1,591, a $1,318 spread on the same certified stone. MOH London lists it at $1,591. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758503526
Dimensions7.48 × 7.46 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.46 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758503526
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.5°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: $1,591 CAD|Low: $260 CAD|High: $1,591 CAD|Avg: $707 CAD|+1.4%
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 31, 2026
Retailer 4$274 CAD
Retailer 10$314 CAD
Retailer 2$335 CAD
Retailer 3$339 CAD
Retailer 13$571 CAD
Retailer 11$585 CAD
Retailer 12$611 CAD
Retailer 8$675 CAD
Retailer 9$698 CAD
Retailer 6$1,080 CAD
Retailer 7$1,084 CAD
Retailer 5$1,285 CAD
MOH London$1,591 CAD

40 data points across 13 retailers

12 retailers$274 CAD to $1,591 CAD

A
Cheapest Retailer
-
$274 CAD
$196 USD
A
Retailer 2
-
$314 CAD
$225 USD
View
A
Retailer 3
-
$335 CAD
$240 USD
View
A
Retailer 4
-
$339 CAD
$243 USD
View
A
Retailer 5
-
$571 CAD
€389 EUR
View
B+
Retailer 6
-
$585 CAD
$419 USD
View
A
Retailer 7
-
$611 CAD
£345 GBP
View
A
Retailer 8
-
$675 CAD
$483 USD
View
A
Retailer 9
-
$698 CAD
$500 USD
View
B
Retailer 10
-
$1,080 CAD
$773 USD
View
B+
Retailer 11
-
$1,084 CAD
$776 USD
View
Most Expensive
B
MOH London
LG758503526 · Oct 26
$1,591 CAD
£897 GBP
View
11 more retailers have this diamond
Prices start from $274 CADSave up to $1,318 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
$274 CAD