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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG845656939

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845656939

Diamond specifications and retailer prices

From $391 CAD
$280 USD
As of October 30, 2026
Save $1,676 CAD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,067 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG845656939 or 845656939. Listed at 14 retailers as of October 30, 2026, with prices from $391 to $2,067, a $1,676 spread on the same certified stone. Brilliant Earth lists it at $2,067. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845656939
Dimensions6.77 × 6.80 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.77 mm6.80 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845656939
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: $2,067 CAD|Low: $391 CAD|High: $2,067 CAD|Avg: $885 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11$391 CAD
Retailer 5$483 CAD
Retailer 12$587 CAD
Retailer 2$657 CAD
Retailer 8$691 CAD
Retailer 9$720 CAD
Retailer 13$746 CAD
Retailer 6$825 CAD
Retailer 4$1,058 CAD
Retailer 7$1,335 CAD
Retailer 3$1,405 CAD
Retailer 10$1,751 CAD
Brilliant Earth$2,067 CAD

10 data points across 13 retailers

14 retailers$391 CAD to $2,067 CAD

A+
Cheapest Retailer
-
$391 CAD
$280 USD
Final sale: no returns
A
Retailer 2
-
$483 CAD
HK$2,700 HKD
View
A
Retailer 3
-
$587 CAD
$420 USD
View
A
Retailer 4
-
$657 CAD
$470 USD
View
A
Retailer 5
-
$691 CAD
£390 GBP
View
A
Retailer 6
-
$720 CAD
€491 EUR
View
A
Retailer 7
-
$746 CAD
ZAR 8,633 ZAR
View
A
Retailer 8
-
$825 CAD
£465 GBP
View
B+
Retailer 9
-
$1,058 CAD
A$1,165 AUD
View
B+
Retailer 10
-
$1,335 CAD
$956 USD
View
B+
Retailer 11
-
$1,405 CAD
SGD 1,359 SGD
View
B
Retailer 12
-
$1,751 CAD
£987 GBP
View
B
Retailer 13
-
$1,886 CAD
$1,350 USD
View
Most Expensive
B
Brilliant Earth
22229693A · Oct 30
$2,067 CAD
$1,480 USD
View
13 more retailers have this diamond
Prices start from $391 CADSave up to $1,676 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+
1.20ct Round
$391 CAD