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Marquise|Lab Grown|IGI

0.51ct F VS1 Marquise Lab Grown Diamond

VG • F/VS1 • IGI LG786608868

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786608868

Diamond specifications and retailer prices

From $291 AUD
As of November 1, 2026
Save $1,611 AUD (85%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,902 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG786608868 or 786608868. Listed at 7 retailers as of November 1, 2026, with prices from $291 to $1,902, a $1,611 spread on the same certified stone. MOH London lists it at $1,902. 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

0.51
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786608868
Dimensions8.40 × 4.20 × 2.64 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.40 mm4.20 mm0.51 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786608868
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.9%

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: $1,902 AUD|Low: $284 AUD|High: $43,809 AUD|Avg: $6,547 AUD|+2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$291 AUD
Retailer 8$354 AUD
Retailer 2$377 AUD
Retailer 6$435 AUD
Retailer 3$550 AUD
Retailer 5$1,509 AUD
MOH London$1,902 AUD
Retailer 7$43,809 AUD

20 data points across 8 retailers

7 retailers$291 AUD to $1,902 AUD

A
Cheapest Retailer
-
$291 AUD
A
Retailer 2
-
$377 AUD
View
B+
Retailer 3
-
$435 AUD
View
B+
Retailer 4
-
$550 AUD
View
B
Retailer 5
-
$1,509 AUD
View
Most Expensive
B
MOH London
LG786608868 · Nov 5
$1,902 AUD
£1,029 GBP
View
5 more retailers have this diamond
Prices start from $291 AUDSave up to $1,611 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
0.51ct Marquise
$291 AUD