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Marquise|Lab Grown|IGI

3.43ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG847629493

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847629493

Diamond specifications and retailer prices

From €382 EUR
$427 USD
As of November 1, 2026
Save €1,958 EUR (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €2,341 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.43ct lab-grown marquise diamond

This 3.43ct 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 LG847629493 or 847629493. Listed at 3 retailers as of October 28, 2026, with prices from €382 to €2,341, a €1,958 spread on the same certified stone. Rare Carat lists it at €2,341. 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

3.43
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847629493
Dimensions14.82 × 7.91 × 5.08 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.82 mm7.91 mm3.43 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847629493
Side View
Table 63.0%Crown 37°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €721 EUR|Low: €382 EUR|High: €728 EUR|Avg: €620 EUR|-0.7%
Retailer 1
Retailer 2
November 1, 2026
Retailer 2€382 EUR
Retailer 1€721 EUR

9 data points across 2 retailers

3 retailers€382 EUR to €2,341 EUR

A
Cheapest Retailer
-
€382 EUR
$427 USD
Final sale: no returns
A
Retailer 2
-
€721 EUR
£634 GBP
View
Most Expensive
B
Rare Carat
847629493 · Oct 28
€2,341 EUR
$2,615 USD
View
2 more retailers have this diamond
Prices start from €382 EURSave up to €1,958 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
3.43ct Marquise
€382 EUR