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Round|Lab Grown|IGI

1.57ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG494166892

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494166892

Diamond specifications and retailer prices

From $700 CAD
$500 USD
As of October 23, 2026
13 retailers carry this diamond
Most expensive: $4,213 CAD at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494166892 or 494166892. Listed at 13 retailers as of October 23, 2026. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494166892
Dimensions7.43 × 7.47 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.43 mm7.47 mm1.57 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494166892
Side View
Table 58.0%Crown 35°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

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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 23
Current: $4,213 CAD|Low: $588 CAD|High: $4,213 CAD|Avg: $1,495 CAD
Do Amore Diamonds
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 22, 2026
Retailer 9$589 CAD
Retailer 4$647 CAD
Retailer 2$700 CAD
Retailer 11$805 CAD
Retailer 3$1,015 CAD
Retailer 6$1,048 CAD
Retailer 5$1,156 CAD
Retailer 10$1,724 CAD
Retailer 13$1,776 CAD
Retailer 8$2,088 CAD
Retailer 7$2,307 CAD
Retailer 12$2,551 CAD
Do Amore Diamonds$4,213 CAD

6 data points across 13 retailers

13 retailers

Retailer 1
-
$589 CAD
$421 USD
Price last confirmed 9 days ago
Retailer 2
-
$647 CAD
$462 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$700 CAD
$500 USD
View
Retailer 4
-
$805 CAD
$575 USD
View
Price last confirmed 6 days ago
Retailer 5
-
$1,015 CAD
$725 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$1,048 CAD
£590 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
$1,156 CAD
$826 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$1,724 CAD
$1,232 USD
View
Price last confirmed 11 days ago
Retailer 9
-
$1,776 CAD
$1,269 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$2,088 CAD
$1,492 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$2,307 CAD
$1,648 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$2,551 CAD
£1,435 GBP
View
Price last confirmed 12 days ago
Most Expensive
Do Amore Diamonds
27-23FF81168 · Oct 23
$4,213 CAD
$3,010 USD
View
Price last confirmed 7 days ago
12 more retailers have this diamond
Prices start from $700 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
$700 CAD