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Round|Lab Grown|IGI

1.55ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG436074053

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074053

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)
11 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 LG436074053 or 436074053. Listed at 11 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074053
Dimensions7.45 × 7.49 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.45 mm7.49 mm1.55 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074053
Side View
Table 53.5%Crown 32.5°Girdle: MED-STKPavilion 40.6°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: $3,393 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
November 5, 2026
Retailer 2$1,201 CAD
Retailer 4$1,968 CAD
Retailer 7$2,204 CAD
Retailer 5$2,283 CAD
Retailer 8$2,283 CAD
Retailer 9$2,521 CAD
Retailer 11$3,116 CAD
Retailer 6$3,602 CAD
Retailer 10$4,144 CAD
MOH London$6,502 CAD
Retailer 3$6,533 CAD

16 data points across 11 retailers

11 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
Retailer 5
-
$2,283 CAD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,283 CAD
View
B+
Retailer 7
-
$2,521 CAD
View
B
Retailer 8
-
$3,602 CAD
View
B
Retailer 9
-
$4,144 CAD
View
B
Retailer 10
-
$4,279 CAD
View
Most Expensive
B
MOH London
LG436074053 · Nov 5
$6,502 CAD
£3,666 GBP
View
10 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