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Marquise|Lab Grown|IGI

1.28ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1

Diamond specifications and retailer prices

From $1,048 USD
CA$1,456 CAD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $1,048 USD at Diamond Exchange Canada
View at Diamond Exchange Canada

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.78 × 5.61 × 3.45 mm
L/W Ratio2.10
Top View
11.78 mm5.61 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $1,048 USD|Low: $305 USD|High: $1,048 USD|Avg: $615 USD
Diamond Exchange Canada
Retailer 2
Retailer 3
October 1, 2026
Retailer 3$305 USD
Retailer 2$491 USD
Diamond Exchange Canada$1,048 USD

2 data points across 3 retailers

2 retailers

Retailer 1
-
$491 USD
Price last confirmed 40 days ago
Most Expensive
B
Diamond Exchange Canada
1986488088 · Nov 2
$1,048 USD
CA$1,456 CAD
View
1 more retailer has this diamond

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.

B
1.28ct Marquise
$1,048 USD