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Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG839664801

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839664801

Diamond specifications and retailer prices

From $300 CAD
As of November 4, 2026
Save $1,192 CAD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,492 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839664801 or 839664801. Listed at 11 retailers as of November 2, 2026, with prices from $300 to $1,492, a $1,192 spread on the same certified stone. MOH London lists it at $1,492. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839664801
Dimensions10.92 × 5.82 × 3.56 mm
L/W Ratio1.88
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
10.92 mm5.82 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839664801
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 40.6°CuletDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
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: Nov 4
Current: $1,492 CAD|Low: $294 CAD|High: $1,672 CAD|Avg: $889 CAD|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 7$300 CAD
Retailer 11$348 CAD
Retailer 2$496 CAD
Retailer 10$637 CAD
Retailer 8$693 CAD
Retailer 5$910 CAD
Retailer 6$1,014 CAD
Retailer 3$1,059 CAD
Retailer 9$1,197 CAD
Retailer 4$1,198 CAD
MOH London$1,492 CAD

39 data points across 11 retailers

11 retailers$300 CAD to $1,492 CAD

A
Cheapest Retailer
-
$300 CAD
A
Retailer 2
-
$348 CAD
View
A
Retailer 3
-
$496 CAD
View
A
Retailer 4
-
$637 CAD
View
Retailer 5
-
$693 CAD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$910 CAD
View
B+
Retailer 7
-
$1,014 CAD
View
Retailer 8
-
$1,059 CAD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$1,197 CAD
View
B
Retailer 10
-
$1,198 CAD
View
Most Expensive
B
MOH London
LG839664801 · Nov 2
$1,492 CAD
£843 GBP
View
10 more retailers have this diamond
Prices start from $300 CADSave up to $1,192 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
1.28ct Marquise
$300 CAD