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Round|Lab Grown|IGI

1.55ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG794602526

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794602526

Diamond specifications and retailer prices

From $447 CAD
$320 USD
As of October 30, 2026
Save $1,109 CAD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,556 CAD at MOH London · As of October 25, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct 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 LG794602526 or 794602526. Listed at 6 retailers as of October 25, 2026, with prices from $447 to $1,556, a $1,109 spread on the same certified stone. MOH London lists it at $1,556. 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

1.55
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794602526
Dimensions7.41 × 7.44 × 4.56 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
7.41 mm7.44 mm1.55 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794602526
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
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: Oct 30
Current: $1,556 CAD|Low: $447 CAD|High: $1,572 CAD|Avg: $825 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4$447 CAD
Retailer 2$604 CAD
Retailer 5$661 CAD
Retailer 3$694 CAD
Retailer 6$1,143 CAD
MOH London$1,556 CAD

38 data points across 6 retailers

6 retailers$447 CAD to $1,556 CAD

B+
Cheapest Retailer
-
$447 CAD
$320 USD
A
Retailer 2
-
$604 CAD
£340 GBP
View
A
Retailer 3
-
$661 CAD
$473 USD
View
A
Retailer 4
-
$694 CAD
$497 USD
View
B+
Retailer 5
-
$1,143 CAD
$818 USD
View
Most Expensive
B
MOH London
LG794602526 · Oct 25
$1,556 CAD
£877 GBP
View
5 more retailers have this diamond
Prices start from $447 CADSave up to $1,109 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
1.55ct Round
$447 CAD