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Marquise|Lab Grown|IGI

3.11ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG788684019

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788684019

Diamond specifications and retailer prices

From HK$25,108 HKD
$3,200 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: HK$25,108 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 3.11ct lab-grown marquise diamond

This 3.11ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788684019 or 788684019. Listed at a single retailer as of November 2, 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

3.11
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788684019
Dimensions14.93 × 7.64 × 4.64 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.93 mm7.64 mm3.11 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788684019
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.7%

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: HK$25,108 HKD|Low: HK$5,712 HKD|High: HK$41,349 HKD|Avg: HK$14,657 HKD|-33.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
July 30, 2026
Retailer 7HK$5,759 HKD
Retailer 6HK$6,500 HKD
Retailer 8HK$7,004 HKD
Retailer 3HK$8,544 HKD
Retailer 2HK$9,063 HKD
Retailer 5HK$9,855 HKD
Retailer 10HK$13,620 HKD
Retailer 4HK$16,234 HKD
Retailer 9HK$19,874 HKD
Brilliant EarthHK$25,108 HKD

55 data points across 10 retailers

1 retailer

B
Brilliant Earth
18805950A · Nov 2
HK$25,108 HKD
$3,200 USD
View

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B
3.11ct Marquise
HK$25,108 HKD