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1.22ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG801688732

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801688732

Diamond specifications and retailer prices

From $237 CAD
As of November 1, 2026
Save $1,139 CAD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,376 CAD at MOH London · As of November 1, 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 LG801688732 or 801688732. Listed at 13 retailers as of November 1, 2026, with prices from $237 to $1,376, a $1,139 spread on the same certified stone. MOH London lists it at $1,376. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801688732
Dimensions6.85 × 6.81 × 4.21 mm
L/W Ratio1.01
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
6.85 mm6.81 mm1.22 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801688732
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.7°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: Nov 1
Current: $1,376 CAD|Low: $223 CAD|High: $1,392 CAD|Avg: $569 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 9$237 CAD
Retailer 10$265 CAD
Retailer 5$288 CAD
Retailer 4$295 CAD
Retailer 6$501 CAD
Retailer 8$522 CAD
Retailer 3$527 CAD
Retailer 13$536 CAD
Retailer 12$642 CAD
Retailer 2$677 CAD
Retailer 7$771 CAD
Retailer 11$824 CAD
MOH London$1,376 CAD

35 data points across 13 retailers

13 retailers$237 CAD to $1,376 CAD

A
Cheapest Retailer
-
$237 CAD
A
Retailer 2
-
$265 CAD
View
Final sale: no returns
Retailer 3
-
$288 CAD
View
Price last confirmed 52 days ago
Retailer 4
-
$295 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$501 CAD
View
A
Retailer 6
-
$522 CAD
View
A
Retailer 7
-
$527 CAD
View
A
Retailer 8
-
$536 CAD
View
B+
Retailer 9
-
$642 CAD
View
B+
Retailer 10
-
$677 CAD
View
B
Retailer 11
-
$771 CAD
View
B+
Retailer 12
-
$824 CAD
View
Most Expensive
B
MOH London
LG801688732 · Nov 1
$1,376 CAD
£776 GBP
View
12 more retailers have this diamond
Prices start from $237 CADSave up to $1,139 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
$237 CAD