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1.55ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG500163392

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500163392

Diamond specifications and retailer prices

From $1,201 CAD
$860 USD
As of October 31, 2026
Save $5,074 CAD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,275 CAD at MOH London · As of October 29, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500163392 or 500163392. Listed at 11 retailers as of October 29, 2026, with prices from $1,201 to $6,275, a $5,074 spread on the same certified stone. MOH London lists it at $6,275. 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
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500163392
Dimensions7.45 × 7.43 × 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 and may include post-growth treatment Type IIa
Top View
7.45 mm7.43 mm1.55 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500163392
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.3%

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: Oct 31
Current: $6,275 CAD|Low: $1,201 CAD|High: $6,317 CAD|Avg: $2,907 CAD|+0.5%
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 3$1,675 CAD
Retailer 6$1,876 CAD
Retailer 4$1,943 CAD
Retailer 7$2,186 CAD
Retailer 9$2,752 CAD
Retailer 5$3,082 CAD
Retailer 8$3,721 CAD
MOH London$6,275 CAD

13 data points across 9 retailers

11 retailers$1,201 CAD to $6,275 CAD

A
Cheapest Retailer
-
$1,201 CAD
$860 USD
B+
Retailer 2
-
$1,675 CAD
$1,199 USD
View
B+
Retailer 3
-
$1,822 CAD
$1,304 USD
View
B+
Retailer 4
-
$1,876 CAD
$1,343 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,943 CAD
$1,391 USD
View
Retailer 6
-
$1,943 CAD
$1,391 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$2,186 CAD
$1,565 USD
View
B
Retailer 8
-
$3,082 CAD
$2,206 USD
View
B
Retailer 9
-
$3,642 CAD
$2,607 USD
View
B
Retailer 10
-
$3,721 CAD
$2,664 USD
View
Most Expensive
B
MOH London
LG500163392 · Oct 29
$6,275 CAD
£3,537 GBP
View
10 more retailers have this diamond
Prices start from $1,201 CADSave up to $5,074 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