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Marquise|Lab Grown|IGI

1.91ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG847671564

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847671564

Diamond specifications and retailer prices

From $499 USD
As of November 1, 2026
Save $686 USD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,185 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG847671564 or 847671564. Listed at 5 retailers as of November 1, 2026, with prices from $499 to $1,185, a $686 spread on the same certified stone. MOH London lists it at $1,185. 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

1.91
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847671564
Dimensions12.37 × 6.51 × 4.07 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.37 mm6.51 mm1.91 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847671564
Side View
Table 56.0%Crown 34.4°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,185 USD|Low: $499 USD|High: $1,191 USD|Avg: $793 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5$499 USD
Retailer 2$560 USD
Retailer 3$721 USD
Retailer 4$1,003 USD
MOH London$1,185 USD

14 data points across 5 retailers

5 retailers$499 USD to $1,185 USD

B+
Cheapest Retailer
-
$499 USD
A
Retailer 2
-
$560 USD
£441 GBP
View
B+
Retailer 3
-
$721 USD
View
B+
Retailer 4
-
$1,003 USD
View
Most Expensive
B+
MOH London
LG847671564 · Nov 1
$1,185 USD
£933 GBP
View
4 more retailers have this diamond
Prices start from $499 USDSave up to $686 USD

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.

A
1.91ct Marquise
$499 USD