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Round|Lab Grown|IGI

1.55ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG485161772

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485161772

Diamond specifications and retailer prices

From $1,201 CAD
$860 USD
As of October 30, 2026
Save $5,407 CAD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,608 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485161772 or 485161772. Listed at 10 retailers as of October 25, 2026, with prices from $1,201 to $6,608, a $5,407 spread on the same certified stone. MOH London lists it at $6,608. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485161772
Dimensions7.40 × 7.37 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.40 mm7.37 mm1.55 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485161772
Side View
Table 59.5%Crown 36.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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: Oct 30
Current: $6,608 CAD|Low: $1,201 CAD|High: $6,688 CAD|Avg: $3,183 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,201 CAD
Retailer 4$1,926 CAD
Retailer 5$1,984 CAD
Retailer 8$2,407 CAD
Retailer 7$2,844 CAD
Retailer 3$3,252 CAD
Retailer 6$3,829 CAD
Retailer 9$4,598 CAD
MOH London$6,608 CAD

11 data points across 9 retailers

10 retailers$1,201 CAD to $6,608 CAD

A
Cheapest Retailer
-
$1,201 CAD
$860 USD
B+
Retailer 2
-
$1,771 CAD
$1,268 USD
View
B+
Retailer 3
-
$1,926 CAD
$1,379 USD
View
B+
Retailer 4
-
$1,984 CAD
$1,420 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,055 CAD
$1,471 USD
View
Retailer 6
-
$2,055 CAD
$1,471 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,252 CAD
$2,328 USD
View
B
Retailer 8
-
$3,829 CAD
$2,741 USD
View
B
Retailer 9
-
$3,850 CAD
$2,756 USD
View
Most Expensive
B
MOH London
LG485161772 · Oct 25
$6,608 CAD
£3,725 GBP
View
9 more retailers have this diamond
Prices start from $1,201 CADSave up to $5,407 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