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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 $701 AUD
As of November 4, 2026
Save $955 AUD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,656 AUD 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 $701 to $1,656, a $955 spread on the same certified stone. MOH London lists it at $1,656. 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
Colour
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: $1,656 AUD|Low: $701 AUD|High: $1,660 AUD|Avg: $1,117 AUD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5$701 AUD
Retailer 2$774 AUD
Retailer 4$910 AUD
Retailer 6$1,406 AUD
Retailer 3$1,528 AUD
MOH London$1,656 AUD

8 data points across 6 retailers

6 retailers$701 AUD to $1,656 AUD

A
Cheapest Retailer
-
$701 AUD
A
Retailer 2
-
$774 AUD
View
B+
Retailer 3
-
$910 AUD
View
B+
Retailer 4
-
$1,406 AUD
View
B
Retailer 5
-
$1,528 AUD
View
Most Expensive
B
MOH London
LG850685518 · Nov 5
$1,656 AUD
£913 GBP
View
5 more retailers have this diamond
Prices start from $701 AUDSave up to $955 AUD

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
$701 AUD