Round|Lab Grown|IGI

1.57ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436046616

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436046616

Diamond specifications and retailer prices

From $1,568 CAD
$1,120 USD
As of October 29, 2026
Save $5,164 CAD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,731 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046616 or 436046616. Listed at 10 retailers as of October 29, 2026, with prices from $1,568 to $6,731, a $5,164 spread on the same certified stone. MOH London lists it at $6,731. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046616
Dimensions7.40 × 7.37 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.40 mm7.37 mm1.57 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046616
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.1%

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: $6,731 CAD|Low: $1,568 CAD|High: $6,786 CAD|Avg: $3,238 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 2$1,568 CAD
Retailer 4$1,955 CAD
Retailer 5$2,010 CAD
Retailer 8$2,427 CAD
Retailer 7$2,880 CAD
Retailer 3$3,299 CAD
Retailer 6$3,885 CAD
Retailer 9$4,665 CAD
MOH London$6,731 CAD

13 data points across 9 retailers

10 retailers$1,568 CAD to $6,731 CAD

A
Cheapest Retailer
-
$1,568 CAD
$1,120 USD
A
Retailer 2
-
$1,797 CAD
$1,284 USD
View
B+
Retailer 3
-
$1,955 CAD
$1,397 USD
View
B+
Retailer 4
-
$2,010 CAD
$1,436 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,084 CAD
$1,489 USD
View
Retailer 6
-
$2,084 CAD
$1,489 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$3,299 CAD
$2,357 USD
View
B
Retailer 8
-
$3,885 CAD
$2,776 USD
View
B
Retailer 9
-
$3,906 CAD
$2,791 USD
View
Most Expensive
B
MOH London
LG436046616 · Oct 29
$6,731 CAD
£3,787 GBP
View
9 more retailers have this diamond
Prices start from $1,568 CADSave up to $5,164 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
$1,568 CAD