CaratHunter
Plans
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 $824 CAD
$590 USD
As of October 30, 2026
Save $3,609 CAD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,433 CAD 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 October 30, 2026, with prices from $824 to $4,433, a $3,609 spread on the same certified stone. MOH London lists it at $4,433. 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
Color
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: Oct 30
Current: $4,433 CAD|Low: $791 CAD|High: $4,487 CAD|Avg: $2,116 CAD|-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 1, 2026
Retailer 11$824 CAD
Retailer 14$922 CAD
Retailer 15$922 CAD
Retailer 2$1,137 CAD
Retailer 6$1,331 CAD
Retailer 13$1,570 CAD
Retailer 9$1,572 CAD
Retailer 7$1,694 CAD
Retailer 8$2,156 CAD
Retailer 5$2,309 CAD
Retailer 10$2,534 CAD
Retailer 12$2,686 CAD
Retailer 4$2,980 CAD
Retailer 3$3,617 CAD
MOH London$4,433 CAD

24 data points across 15 retailers

10 retailers$824 CAD to $4,433 CAD

A
Cheapest Retailer
-
$824 CAD
$590 USD
A
Retailer 2
-
$922 CAD
$660 USD
View
A
Retailer 3
-
$922 CAD
$660 USD
View
Final sale: no returns
A
Retailer 4
-
$1,137 CAD
£641 GBP
View
A
Retailer 5
-
$1,570 CAD
$1,124 USD
View
A
Retailer 6
-
$1,572 CAD
$1,125 USD
View
B+
Retailer 7
-
$2,156 CAD
A$2,375 AUD
View
B+
Retailer 8
-
$2,534 CAD
$1,814 USD
View
B+
Retailer 9
-
$2,686 CAD
$1,923 USD
View
Most Expensive
B
MOH London
LG735549045 · Nov 1
$4,433 CAD
£2,499 GBP
View
9 more retailers have this diamond
Prices start from $824 CADSave up to $3,609 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
3.51ct Marquise
$824 CAD