Marquise|Lab Grown|IGI

1.40ct F VS2 Marquise Lab Grown Diamond

VG • F/VS2 • IGI LG846690723

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846690723

Diamond specifications and retailer prices

From $426 USD
As of November 1, 2026
Save $717 USD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,143 USD at MOH London · As of November 1, 2026
View at MOH London

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 VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG846690723 or 846690723. Listed at 6 retailers as of November 1, 2026, with prices from $426 to $1,143, a $717 spread on the same certified stone. MOH London lists it at $1,143. 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
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846690723
Dimensions10.84 × 5.85 × 3.76 mm
L/W Ratio1.85
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.84 mm5.85 mm1.40 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846690723
Side View
Table 61.0%Crown 35.6°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,143 USD|Low: $426 USD|High: $1,149 USD|Avg: $650 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$426 USD
Retailer 2$447 USD
Retailer 5$572 USD
Retailer 3$576 USD
Retailer 6$839 USD
MOH London$1,143 USD

16 data points across 6 retailers

6 retailers$426 USD to $1,143 USD

A
Cheapest Retailer
-
$426 USD
A
Retailer 2
-
$447 USD
£352 GBP
View
B+
Retailer 3
-
$572 USD
View
B+
Retailer 4
-
$576 USD
View
Retailer 5
-
$839 USD
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
LG846690723 · Nov 1
$1,143 USD
£900 GBP
View
5 more retailers have this diamond
Prices start from $426 USDSave up to $717 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
1.40ct Marquise
$426 USD