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Round|Lab Grown|IGI

1.56ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG821640683

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821640683

Diamond specifications and retailer prices

From $831 CAD
$595 USD
As of October 30, 2026
Save $3,862 CAD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,694 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821640683 or 821640683. Listed at 11 retailers as of October 30, 2026, with prices from $831 to $4,694, a $3,862 spread on the same certified stone. Brilliant Earth lists it at $4,694. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821640683
Dimensions7.47 × 7.43 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.47 mm7.43 mm1.56 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821640683
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 41.3°Culet: NoneDepth 61.7%

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 30
Current: $4,694 CAD|Low: $831 CAD|High: $4,694 CAD|Avg: $1,638 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7$831 CAD
Retailer 5$983 CAD
Retailer 2$1,116 CAD
Retailer 8$1,291 CAD
Retailer 3$1,938 CAD
Retailer 9$2,054 CAD
Retailer 4$2,441 CAD
Retailer 6$2,752 CAD
Brilliant Earth$4,694 CAD

42 data points across 9 retailers

11 retailers$831 CAD to $4,694 CAD

A
Cheapest Retailer
-
$831 CAD
$595 USD
A
Retailer 2
-
$983 CAD
€670 EUR
View
A
Retailer 3
-
$1,116 CAD
£629 GBP
View
B+
Retailer 4
-
$1,291 CAD
$924 USD
View
B+
Retailer 5
-
$1,938 CAD
A$2,134 AUD
View
B
Retailer 6
-
$2,054 CAD
$1,470 USD
View
B+
Retailer 7
-
$2,441 CAD
£1,376 GBP
View
B
Retailer 8
-
$2,643 CAD
$1,892 USD
View
Retailer 9
-
$2,752 CAD
$1,970 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$2,752 CAD
$1,970 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
22200268A · Oct 30
$4,694 CAD
$3,360 USD
View
10 more retailers have this diamond
Prices start from $831 CADSave up to $3,862 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
$831 CAD