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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG779631721

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779631721

Diamond specifications and retailer prices

From $631 CAD
As of November 4, 2026
Save $247 CAD (28%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,584 CAD at MOH London · As of October 25, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG779631721 or 779631721. Listed at 11 retailers as of November 4, 2026, with a 39% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.54
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779631721
Dimensions7.45 × 7.51 × 4.55 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
7.45 mm7.51 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779631721
Side View
Table 59.0%Crown 33.2°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,584 CAD|Low: $275 CAD|High: $2,067 CAD|Avg: $1,089 CAD|-15.4%
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
Retailer 14
October 29, 2026
Retailer 14$275 CAD
Retailer 9$479 CAD
Retailer 10$482 CAD
Retailer 2$557 CAD
Retailer 11$587 CAD
Retailer 8$612 CAD
Retailer 12$631 CAD
Retailer 7$878 CAD
Retailer 5$1,088 CAD
Retailer 4$1,328 CAD
Retailer 3$1,388 CAD
Retailer 13$1,566 CAD
MOH London$1,584 CAD
Retailer 6$2,067 CAD

36 data points across 14 retailers

11 retailers$631 CAD to $878 CAD

Retailer 1
-
$479 CAD
Price last confirmed 10 days ago
Retailer 2
-
$482 CAD
View
Price last confirmed 11 days ago
Retailer 3
-
$557 CAD
View
Price last confirmed 8 days ago
Retailer 4
-
$612 CAD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$631 CAD
View
B+
Retailer 6
-
$878 CAD
View
Retailer 7
-
$1,088 CAD
View
Price last confirmed 10 days ago
Retailer 8
-
$1,328 CAD
View
Price last confirmed 9 days ago
Retailer 9
-
$1,388 CAD
View
Price last confirmed 9 days ago
Retailer 10
-
$1,566 CAD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG779631721 · Oct 25
$1,584 CAD
£893 GBP
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from $631 CADSave up to $247 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
1.54ct Round
$631 CAD