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Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG735549045

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG735549045

Diamond specifications and retailer prices

From $842 AUD
$590 USD
As of November 2, 2026
Save $3,687 AUD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,529 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct lab-grown marquise diamond

This 3.51ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG735549045 or 735549045. Listed at 10 retailers as of November 1, 2026, with prices from $842 to $4,529, a $3,687 spread on the same certified stone. MOH London lists it at $4,529. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735549045
Dimensions16.19 × 7.84 × 4.89 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.19 mm7.84 mm3.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735549045
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $4,529 AUD|Low: $808 AUD|High: $4,583 AUD|Avg: $2,158 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 11$842 AUD
Retailer 14$942 AUD
Retailer 15$942 AUD
Retailer 2$1,161 AUD
Retailer 6$1,359 AUD
Retailer 13$1,604 AUD
Retailer 9$1,605 AUD
Retailer 7$1,731 AUD
Retailer 8$2,203 AUD
Retailer 5$2,359 AUD
Retailer 10$2,588 AUD
Retailer 12$2,744 AUD
Retailer 4$3,044 AUD
Retailer 3$3,694 AUD
MOH London$4,529 AUD

25 data points across 15 retailers

10 retailers$842 AUD to $4,529 AUD

A
Cheapest Retailer
-
$842 AUD
$590 USD
A
Retailer 2
-
$942 AUD
$660 USD
View
A
Retailer 3
-
$942 AUD
$660 USD
View
Final sale: no returns
A
Retailer 4
-
$1,161 AUD
£641 GBP
View
A
Retailer 5
-
$1,604 AUD
$1,124 USD
View
A
Retailer 6
-
$1,605 AUD
$1,125 USD
View
B+
Retailer 7
-
$2,203 AUD
View
B+
Retailer 8
-
$2,588 AUD
$1,814 USD
View
B+
Retailer 9
-
$2,744 AUD
$1,923 USD
View
Most Expensive
B
MOH London
LG735549045 · Nov 1
$4,529 AUD
£2,499 GBP
View
9 more retailers have this diamond
Prices start from $842 AUDSave up to $3,687 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
3.51ct Marquise
$842 AUD