Marquise|Lab Grown|IGI

3.38ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG839646347

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839646347

Diamond specifications and retailer prices

From $437 USD
As of October 31, 2026
Save $2,243 USD (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,680 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.38ct lab-grown marquise diamond

This 3.38ct 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 LG839646347 or 839646347. Listed at 3 retailers as of October 28, 2026, with prices from $437 to $2,680, a $2,243 spread on the same certified stone. Rare Carat lists it at $2,680. 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

3.38
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839646347
Dimensions14.70 × 7.82 × 5.03 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
14.70 mm7.82 mm3.38 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839646347
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,680 USD|Low: $437 USD|High: $2,710 USD|Avg: $1,681 USD|-1.1%
Rare Carat
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$437 USD
Retailer 2$828 USD
Rare Carat$2,680 USD

27 data points across 3 retailers

3 retailers$437 USD to $2,680 USD

A
Cheapest Retailer
-
$437 USD
Final sale: no returns
A
Retailer 2
-
$828 USD
£652 GBP
View
Most Expensive
B
Rare Carat
839646347 · Oct 28
$2,680 USD
View
2 more retailers have this diamond
Prices start from $437 USDSave up to $2,243 USD

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
3.38ct Marquise
$437 USD