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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG837615667

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837615667

Diamond specifications and retailer prices

From $327 CAD
$234 USD
As of October 29, 2026
Save $1,741 CAD (84%) vs most expensive(unlock to see where)
20 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 LG837615667 or 837615667. Listed at 20 retailers as of October 29, 2026, with prices from $327 to $2,067, a $1,741 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 angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615667
Dimensions6.92 × 6.87 × 4.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
6.92 mm6.87 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615667
Side View
Table 60.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $2,067 CAD|Low: $327 CAD|High: $2,067 CAD|Avg: $905 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 10$327 CAD
Retailer 14$370 CAD
Retailer 20$383 CAD
Retailer 7$405 CAD
Retailer 15$409 CAD
Retailer 17$562 CAD
Retailer 3$645 CAD
Retailer 2$688 CAD
Retailer 5$697 CAD
Retailer 8$740 CAD
Retailer 16$765 CAD
Retailer 12$971 CAD
Retailer 6$990 CAD
Retailer 18$1,024 CAD
Retailer 19$1,316 CAD
Retailer 13$1,388 CAD
Retailer 4$1,634 CAD
Retailer 9$1,820 CAD
Retailer 11$1,865 CAD
Brilliant Earth$2,067 CAD

22 data points across 20 retailers

20 retailers$327 CAD to $2,067 CAD

A+
Cheapest Retailer
-
$327 CAD
$234 USD
A
Retailer 2
-
$370 CAD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$383 CAD
$274 USD
View
A
Retailer 4
-
$405 CAD
$290 USD
View
A
Retailer 5
-
$409 CAD
$293 USD
View
A
Retailer 6
-
$562 CAD
$402 USD
View
A
Retailer 7
-
$645 CAD
£364 GBP
View
A
Retailer 8
-
$688 CAD
€469 EUR
View
A
Retailer 9
-
$697 CAD
ZAR 8,059 ZAR
View
A
Retailer 10
-
$740 CAD
$530 USD
View
A
Retailer 11
-
$765 CAD
£431 GBP
View
B+
Retailer 12
-
$971 CAD
$695 USD
View
B+
Retailer 13
-
$990 CAD
A$1,090 AUD
View
B+
Retailer 14
-
$1,024 CAD
$733 USD
View
B+
Retailer 15
-
$1,316 CAD
$942 USD
View
B+
Retailer 16
-
$1,388 CAD
$994 USD
View
B+
Retailer 17
-
$1,634 CAD
£921 GBP
View
B+
Retailer 18
-
$1,820 CAD
$1,303 USD
View
Retailer 19
-
$1,865 CAD
$1,335 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21690652A · Oct 30
$2,067 CAD
$1,480 USD
View
19 more retailers have this diamond
Prices start from $327 CADSave up to $1,741 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
$327 CAD