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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 $3,200 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $3,200 USD 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 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

3.11
Carat
G
Color
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: Oct 31
Current: $3,200 USD|Low: $728 USD|High: $5,270 USD|Avg: $1,868 USD|-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 7$734 USD
Retailer 6$828 USD
Retailer 8$893 USD
Retailer 3$1,089 USD
Retailer 2$1,155 USD
Retailer 5$1,256 USD
Retailer 10$1,736 USD
Retailer 4$2,069 USD
Retailer 9$2,533 USD
Brilliant Earth$3,200 USD

55 data points across 10 retailers

1 retailer

B
Brilliant Earth
18805950A · Oct 31
$3,200 USD
View

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
3.11ct Marquise
$3,200 USD