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Marquise|Lab Grown|IGI

1.28ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG791649667

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791649667

Diamond specifications and retailer prices

From $1,367 SGD
$1,070 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: $1,367 SGD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG791649667 or 791649667. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791649667
Dimensions11.50 × 5.58 × 3.53 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
11.50 mm5.58 mm1.28 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791649667
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $724 SGD|Low: $590 SGD|High: $1,032 SGD|Avg: $818 SGD|-8.7%
Retailer 1
Retailer 2
Retailer 3
May 7, 2026
Retailer 3$590 SGD
Retailer 1$724 SGD
Retailer 2$895 SGD

6 data points across 3 retailers

1 retailer

B
Brilliant Earth
18669773A · Nov 4
$1,367 SGD
$1,070 USD
View

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B
1.28ct Marquise
$1,367 SGD