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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 $1,867 AUD
£1,033 GBP
As of November 1, 2026
Save $4,681 AUD (71%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,549 AUD 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 31, 2026, with prices from $1,867 to $6,549, a $4,681 spread on the same certified stone. Blue Nile lists it at $6,549. 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
Colour
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: Nov 1
Current: $6,549 AUD|Low: $1,412 AUD|High: $6,549 AUD|Avg: $3,023 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$1,412 AUD
Retailer 5$1,536 AUD
Retailer 2$1,867 AUD
Retailer 3$3,388 AUD
Blue Nile$6,549 AUD

33 data points across 5 retailers

2 retailers$1,867 AUD to $6,549 AUD

A
Cheapest Retailer
-
$1,867 AUD
£1,033 GBP
Most Expensive
B
Blue Nile
26529093 · Oct 31
$6,549 AUD
$4,600 USD
View
1 more retailer has this diamond
Prices start from $1,867 AUDSave up to $4,681 AUD

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
$1,867 AUD