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Marquise|Lab Grown|IGI

1.51ct G VVS1 Marquise Lab Grown Diamond

VG • G/VVS1 • IGI LG850685518

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850685518

Diamond specifications and retailer prices

From $684 CAD
As of November 4, 2026
Save $932 CAD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,616 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG850685518 or 850685518. Listed at 6 retailers as of November 4, 2026, with prices from $684 to $1,616, a $932 spread on the same certified stone. MOH London lists it at $1,616. 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

1.51
Carat
G
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850685518
Dimensions11.47 × 6.04 × 3.82 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
11.47 mm6.04 mm1.51 ctG / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850685518
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.2%

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 4
Current: $1,616 CAD|Low: $684 CAD|High: $1,619 CAD|Avg: $1,090 CAD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5$684 CAD
Retailer 2$755 CAD
Retailer 4$888 CAD
Retailer 6$1,371 CAD
Retailer 3$1,491 CAD
MOH London$1,616 CAD

8 data points across 6 retailers

6 retailers$684 CAD to $1,616 CAD

A
Cheapest Retailer
-
$684 CAD
A
Retailer 2
-
$755 CAD
View
B+
Retailer 3
-
$888 CAD
View
B+
Retailer 4
-
$1,371 CAD
View
B
Retailer 5
-
$1,491 CAD
View
Most Expensive
B
MOH London
LG850685518 · Nov 5
$1,616 CAD
£913 GBP
View
5 more retailers have this diamond
Prices start from $684 CADSave up to $932 CAD

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
1.51ct Marquise
$684 CAD