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Round|Lab Grown|IGI

1.55ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG440014435

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440014435

Diamond specifications and retailer prices

From $1,201 CAD
As of November 5, 2026
Save $5,301 CAD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,502 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440014435 or 440014435. Listed at 12 retailers as of November 5, 2026, with prices from $1,201 to $6,502, a $5,301 spread on the same certified stone. MOH London lists it at $6,502. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440014435
Dimensions7.41 × 7.45 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.41 mm7.45 mm1.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440014435
Side View
Table 56.0%Crown 35.9°Girdle: THN-MEDPavilion 40.2°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: Nov 5
Current: $6,502 CAD|Low: $1,201 CAD|High: $6,607 CAD|Avg: $3,138 CAD|-0.3%
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
November 5, 2026
Retailer 6$1,201 CAD
Retailer 7$1,968 CAD
Retailer 10$2,141 CAD
Retailer 12$2,204 CAD
Retailer 8$2,283 CAD
Retailer 13$2,283 CAD
Retailer 3$2,521 CAD
Retailer 5$3,116 CAD
Retailer 9$3,602 CAD
Retailer 2$4,103 CAD
Retailer 4$4,144 CAD
Retailer 11$4,279 CAD
MOH London$6,502 CAD

38 data points across 13 retailers

12 retailers$1,201 CAD to $6,502 CAD

A
Cheapest Retailer
-
$1,201 CAD
B+
Retailer 2
-
$1,968 CAD
View
B+
Retailer 3
-
$2,141 CAD
View
B+
Retailer 4
-
$2,204 CAD
View
Final sale: no returns
B+
Retailer 5
-
$2,283 CAD
View
Retailer 6
-
$2,283 CAD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$2,521 CAD
View
B
Retailer 8
-
$3,602 CAD
View
B
Retailer 9
-
$4,103 CAD
View
B
Retailer 10
-
$4,144 CAD
View
B
Retailer 11
-
$4,279 CAD
View
Most Expensive
B
MOH London
LG440014435 · Nov 5
$6,502 CAD
£3,666 GBP
View
11 more retailers have this diamond
Prices start from $1,201 CADSave up to $5,301 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
$1,201 CAD