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Marquise|Lab Grown|IGI

1.40ct F VVS2 Marquise Lab Grown Diamond

F/VVS2 • IGI LG778646312

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778646312

Diamond specifications and retailer prices

From HK$9,180 HKD
$1,170 USD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: HK$9,180 HKD at Brilliant Earth
View at Brilliant Earth

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included) and certified by IGI LG778646312 or 778646312. Listed at 2 retailers as of November 2, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.40
Carat
F
Colour
VVS2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778646312
Dimensions11.91 × 5.93 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.91 mm5.93 mm1.40 ctF / VVS2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778646312
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.0%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: HK$9,180 HKD|Low: HK$1,146 HKD|High: HK$844,524 HKD|Avg: HK$8,681 HKD|-30.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
June 19, 2026
Retailer 2HK$4,599 HKD
Retailer 4HK$5,328 HKD
Retailer 9HK$5,618 HKD
Retailer 5HK$6,089 HKD
Retailer 8HK$6,465 HKD
Retailer 3HK$7,349 HKD
Retailer 6HK$7,713 HKD
Retailer 7HK$8,157 HKD
Brilliant EarthHK$9,180 HKD
Retailer 10HK$9,686 HKD

64 data points across 10 retailers

2 retailers

Retailer 1
-
HK$7,349 HKD
A$1,441 AUD
Price last confirmed 139 days ago
Most Expensive
C
Brilliant Earth
18447750A · Nov 2
HK$9,180 HKD
$1,170 USD
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.

C
1.40ct Marquise
HK$9,180 HKD