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Round|Lab Grown|IGI

1.22ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG779630515

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779630515

Diamond specifications and retailer prices

From $374 CAD
As of November 6, 2026
Save $908 CAD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,282 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG779630515 or 779630515. Listed at 6 retailers as of November 4, 2026, with prices from $374 to $1,282, a $908 spread on the same certified stone. MOH London lists it at $1,282. 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

1.22
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779630515
Dimensions6.84 × 6.87 × 4.21 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
6.84 mm6.87 mm1.22 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779630515
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

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: Nov 6
Current: $1,282 CAD|Low: $137 CAD|High: $1,392 CAD|Avg: $644 CAD|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$374 CAD
Retailer 2$461 CAD
Retailer 3$478 CAD
Retailer 4$531 CAD
Retailer 5$626 CAD
MOH London$1,282 CAD

44 data points across 6 retailers

6 retailers$374 CAD to $1,282 CAD

B+
Cheapest Retailer
-
$374 CAD
A
Retailer 2
-
$461 CAD
View
A
Retailer 3
-
$478 CAD
View
A
Retailer 4
-
$531 CAD
View
B+
Retailer 5
-
$626 CAD
View
Most Expensive
B
MOH London
LG779630515 · Nov 4
$1,282 CAD
£723 GBP
View
5 more retailers have this diamond
Prices start from $374 CADSave up to $908 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
1.22ct Round
$374 CAD