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Marquise|Lab Grown|IGI

6.20ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2

Diamond specifications and retailer prices

From $1,838 CAD
£1,036 GBP
As of October 30, 2026
Save $4,588 CAD (71%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,426 CAD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 6.2ct lab-grown marquise diamond

This 6.2ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 30, 2026, with prices from $1,838 to $6,426, a $4,588 spread on the same certified stone. Blue Nile lists it at $6,426. 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

6.20
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions18.46 × 9.62 × 0.00 mm
L/W Ratio1.92
Top View
18.46 mm9.62 mm6.20 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $6,426 CAD|Low: $1,386 CAD|High: $6,426 CAD|Avg: $2,969 CAD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$1,386 CAD
Retailer 5$1,507 CAD
Retailer 2$1,838 CAD
Retailer 3$3,325 CAD
Blue Nile$6,426 CAD

32 data points across 5 retailers

2 retailers$1,838 CAD to $6,426 CAD

A
Cheapest Retailer
-
$1,838 CAD
£1,036 GBP
Most Expensive
B
Blue Nile
26529093 · Oct 31
$6,426 CAD
$4,600 USD
View
1 more retailer has this diamond
Prices start from $1,838 CADSave up to $4,588 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
6.20ct Marquise
$1,838 CAD