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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 €528 EUR
$590 USD
As of November 2, 2026
Save €2,313 EUR (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,841 EUR 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 €528 to €2,841, a €2,313 spread on the same certified stone. MOH London lists it at €2,841. 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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €2,841 EUR|Low: €507 EUR|High: €2,875 EUR|Avg: €1,354 EUR|-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€528 EUR
Retailer 14€591 EUR
Retailer 15€591 EUR
Retailer 2€728 EUR
Retailer 6€853 EUR
Retailer 13€1,006 EUR
Retailer 9€1,007 EUR
Retailer 7€1,086 EUR
Retailer 8€1,382 EUR
Retailer 5€1,480 EUR
Retailer 10€1,624 EUR
Retailer 12€1,721 EUR
Retailer 4€1,910 EUR
Retailer 3€2,317 EUR
MOH London€2,841 EUR

25 data points across 15 retailers

10 retailers€528 EUR to €2,841 EUR

A
Cheapest Retailer
-
€528 EUR
$590 USD
A
Retailer 2
-
€591 EUR
$660 USD
View
A
Retailer 3
-
€591 EUR
$660 USD
View
Final sale: no returns
A
Retailer 4
-
€728 EUR
£641 GBP
View
A
Retailer 5
-
€1,006 EUR
$1,124 USD
View
A
Retailer 6
-
€1,007 EUR
$1,125 USD
View
B+
Retailer 7
-
€1,382 EUR
A$2,375 AUD
View
B+
Retailer 8
-
€1,624 EUR
$1,814 USD
View
B+
Retailer 9
-
€1,721 EUR
$1,923 USD
View
Most Expensive
B
MOH London
LG735549045 · Nov 1
€2,841 EUR
£2,499 GBP
View
9 more retailers have this diamond
Prices start from €528 EURSave up to €2,313 EUR

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
€528 EUR