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1.56ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG494173834

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494173834

Diamond specifications and retailer prices

From $1,201 CAD
$860 USD
As of October 31, 2026
Save $5,113 CAD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,314 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.56ct lab-grown round diamond

This 1.56ct 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 LG494173834 or 494173834. Listed at 11 retailers as of October 29, 2026, with prices from $1,201 to $6,314, a $5,113 spread on the same certified stone. MOH London lists it at $6,314. 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

1.56
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494173834
Dimensions7.62 × 7.57 × 4.46 mm
L/W Ratio1.01
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
7.62 mm7.57 mm1.56 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494173834
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.7%

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 31
Current: $6,314 CAD|Low: $1,201 CAD|High: $6,356 CAD|Avg: $2,851 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$1,685 CAD
Retailer 6$1,887 CAD
Retailer 4$1,954 CAD
Retailer 7$2,193 CAD
Retailer 9$2,767 CAD
Retailer 5$3,100 CAD
Retailer 8$3,745 CAD
MOH London$6,314 CAD

13 data points across 9 retailers

11 retailers$1,201 CAD to $6,314 CAD

A
Cheapest Retailer
-
$1,201 CAD
$860 USD
B+
Retailer 2
-
$1,685 CAD
$1,206 USD
View
B+
Retailer 3
-
$1,834 CAD
$1,313 USD
View
B+
Retailer 4
-
$1,887 CAD
$1,351 USD
View
Final sale: no returns
Retailer 5
-
$1,954 CAD
$1,399 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,954 CAD
$1,399 USD
View
B+
Retailer 7
-
$2,193 CAD
$1,570 USD
View
B
Retailer 8
-
$3,100 CAD
$2,219 USD
View
B
Retailer 9
-
$3,664 CAD
$2,623 USD
View
B
Retailer 10
-
$3,745 CAD
$2,681 USD
View
Most Expensive
B
MOH London
LG494173834 · Oct 29
$6,314 CAD
£3,559 GBP
View
10 more retailers have this diamond
Prices start from $1,201 CADSave up to $5,113 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
1.56ct Round
$1,201 CAD