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Marquise|Lab Grown|IGI

1.28ct D VVS1 Marquise Lab Grown Diamond

ID • D/VVS1 • IGI LG837672605

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837672605

Diamond specifications and retailer prices

From $311 CAD
As of November 4, 2026
Save $1,747 CAD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,492 CAD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837672605 or 837672605. Listed at 22 retailers as of November 4, 2026, with a 562% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837672605
Dimensions11.44 × 5.55 × 3.50 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm5.55 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837672605
Side View
Table 60.0%Crown 37.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $439 CAD|Low: $311 CAD|High: $2,074 CAD|Avg: $913 CAD|-2.2%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
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Retailer 20
Retailer 21
November 4, 2026
Retailer 15$311 CAD
Retailer 12$348 CAD
Retailer 18$361 CAD
Retailer 3$386 CAD
Retailer 11$390 CAD
Retailer 1$439 CAD
Retailer 17$518 CAD
Retailer 13$628 CAD
Retailer 6$667 CAD
Retailer 19$711 CAD
Retailer 8$832 CAD
Retailer 10$902 CAD
Retailer 5$946 CAD
Retailer 16$1,240 CAD
Retailer 21$1,244 CAD
Retailer 2$1,313 CAD
Retailer 20$1,329 CAD
Retailer 14$1,533 CAD
Retailer 7$1,551 CAD
Retailer 9$1,564 CAD
Retailer 4$2,058 CAD

20 data points across 21 retailers

22 retailers$311 CAD to $2,058 CAD

A+
Cheapest Retailer
-
$311 CAD
A
Retailer 2
-
$348 CAD
View
Final sale: no returns
A
Retailer 3
-
$361 CAD
View
A
Retailer 4
-
$386 CAD
View
Retailer 5
-
$390 CAD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$439 CAD
View
B+
Retailer 7
-
$518 CAD
View
Retailer 8
-
$628 CAD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$667 CAD
View
A
Retailer 10
-
$711 CAD
View
A
Retailer 11
-
$832 CAD
View
A
Retailer 12
-
$902 CAD
View
B+
Retailer 13
-
$946 CAD
View
B+
Retailer 14
-
$1,240 CAD
View
B+
Retailer 15
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$1,244 CAD
View
B+
Retailer 16
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$1,313 CAD
View
B+
Retailer 17
-
$1,329 CAD
View
B
Retailer 18
-
$1,533 CAD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
$1,551 CAD
View
B
Retailer 20
-
$1,564 CAD
View
B
Retailer 21
-
$2,058 CAD
View
Most Expensive
Helzberg Diamonds
ZXZOJNMNIMGL · Oct 13
$2,492 CAD
$1,788 USD
View
Price last confirmed 22 days ago
21 more retailers have this diamond
Prices start from $311 CADSave up to $1,747 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
$311 CAD