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Round|Lab Grown|IGI

1.55ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG544272235

Shape and cutting style on the report: Round brilliant

Certificate IGI LG544272235

Diamond specifications and retailer prices

From $334 CAD
As of November 5, 2026
Save $1,318 CAD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,651 CAD at MOH London · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG544272235 or 544272235. Listed at 14 retailers as of November 5, 2026, with prices from $334 to $1,651, a $1,318 spread on the same certified stone. MOH London lists it at $1,651. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544272235
Dimensions7.42 × 7.37 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.42 mm7.37 mm1.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544272235
Side View
Table 58.5%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

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: Nov 5
Current: $1,651 CAD|Low: $334 CAD|High: $1,823 CAD|Avg: $826 CAD|-9.4%
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
November 6, 2026
Retailer 11$334 CAD
Retailer 10$387 CAD
Retailer 8$413 CAD
Retailer 12$413 CAD
Retailer 7$640 CAD
Retailer 13$659 CAD
Retailer 6$670 CAD
Retailer 3$697 CAD
Retailer 2$772 CAD
Retailer 14$871 CAD
Retailer 9$1,328 CAD
Retailer 4$1,334 CAD
Retailer 5$1,401 CAD
MOH London$1,651 CAD

43 data points across 14 retailers

14 retailers$334 CAD to $1,651 CAD

A
Cheapest Retailer
-
$334 CAD
A
Retailer 2
-
$387 CAD
View
A
Retailer 3
-
$406 CAD
View
Final sale: no returns
A
Retailer 4
-
$413 CAD
View
Retailer 5
-
$413 CAD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$640 CAD
View
A
Retailer 7
-
$659 CAD
View
A
Retailer 8
-
$697 CAD
View
A
Retailer 9
-
$772 CAD
View
B+
Retailer 10
-
$871 CAD
View
B
Retailer 11
-
$1,328 CAD
View
B
Retailer 12
-
$1,334 CAD
View
B
Retailer 13
-
$1,401 CAD
View
Most Expensive
B
MOH London
LG544272235 · Nov 5
$1,651 CAD
£931 GBP
View
13 more retailers have this diamond
Prices start from $334 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
1.55ct Round
$334 CAD