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Marquise|Lab Grown|IGI

3.09ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG843603257

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843603257

Diamond specifications and retailer prices

From €365 EUR
$408 USD
As of November 1, 2026
Save €2,656 EUR (88%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €3,021 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843603257 or 843603257. Listed at 3 retailers as of October 28, 2026, with prices from €365 to €3,021, a €2,656 spread on the same certified stone. Rare Carat lists it at €3,021. 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

3.09
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843603257
Dimensions14.27 × 7.61 × 4.88 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.27 mm7.61 mm3.09 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843603257
Side View
Table 60.0%Crown 37.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €3,021 EUR|Low: €365 EUR|High: €3,021 EUR|Avg: €1,338 EUR
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3€365 EUR
Retailer 2€755 EUR
Rare Carat€3,021 EUR

20 data points across 3 retailers

3 retailers€365 EUR to €3,021 EUR

A
Cheapest Retailer
-
€365 EUR
$408 USD
Final sale: no returns
A
Retailer 2
-
€755 EUR
£664 GBP
View
Most Expensive
B
Rare Carat
843603257 · Oct 28
€3,021 EUR
$3,375 USD
View
2 more retailers have this diamond
Prices start from €365 EURSave up to €2,656 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
3.09ct Marquise
€365 EUR