Round|Lab Grown|IGI

1.24ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG799670980

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799670980

Diamond specifications and retailer prices

From $237 CAD
As of November 1, 2026
Save $1,141 CAD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,378 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.24ct lab-grown round diamond

This 1.24ct 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 LG799670980 or 799670980. Listed at 12 retailers as of November 1, 2026, with prices from $237 to $1,378, a $1,141 spread on the same certified stone. MOH London lists it at $1,378. 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

1.24
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799670980
Dimensions6.82 × 6.78 × 4.28 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
6.82 mm6.78 mm1.24 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG799670980
Side View
Table 54.0%Crown 35.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.9%

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: $1,378 CAD|Low: $149 CAD|High: $1,396 CAD|Avg: $560 CAD|-1.3%
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 5$149 CAD
Retailer 9$237 CAD
Retailer 10$267 CAD
Retailer 4$295 CAD
Retailer 6$503 CAD
Retailer 7$524 CAD
Retailer 3$527 CAD
Retailer 13$550 CAD
Retailer 12$644 CAD
Retailer 2$677 CAD
Retailer 8$765 CAD
Retailer 11$824 CAD
MOH London$1,378 CAD

36 data points across 13 retailers

12 retailers$237 CAD to $1,378 CAD

A
Cheapest Retailer
-
$237 CAD
A
Retailer 2
-
$267 CAD
View
Final sale: no returns
Retailer 3
-
$295 CAD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$503 CAD
View
A
Retailer 5
-
$524 CAD
View
A
Retailer 6
-
$527 CAD
View
B+
Retailer 7
-
$550 CAD
View
B+
Retailer 8
-
$644 CAD
View
B+
Retailer 9
-
$677 CAD
View
B
Retailer 10
-
$765 CAD
View
B+
Retailer 11
-
$824 CAD
View
Most Expensive
B
MOH London
LG799670980 · Nov 2
$1,378 CAD
£777 GBP
View
11 more retailers have this diamond
Prices start from $237 CADSave up to $1,141 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
1.24ct Round
$237 CAD