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Marquise|Lab Grown|IGI

3.78ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG807620371

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807620371

Diamond specifications and retailer prices

From HK$33,424 HKD
$4,260 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: HK$33,424 HKD 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 3.78ct lab-grown marquise diamond

This 3.78ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807620371 or 807620371. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.78
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807620371
Dimensions17.02 × 8.18 × 4.93 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.02 mm8.18 mm3.78 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807620371
Side View
Table 60.0%Crown 35.3°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 60.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: HK$33,424 HKD|Low: HK$8,555 HKD|High: HK$51,392 HKD|Avg: HK$24,286 HKD|-35.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
July 14, 2026
Retailer 3HK$8,555 HKD
Retailer 2HK$18,368 HKD
Retailer 4HK$24,513 HKD
Brilliant EarthHK$33,424 HKD

18 data points across 4 retailers

1 retailer

B
Brilliant Earth
20172374A · Oct 31
HK$33,424 HKD
$4,260 USD
View

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B
3.78ct Marquise
HK$33,424 HKD