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Marquise|Lab Grown|IGI

5.56ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG640475993

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG640475993

Diamond specifications and retailer prices

From $6,749 AUD
$4,730 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $6,749 AUD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 5.56ct lab-grown marquise diamond

This 5.56ct 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 LG640475993 or 640475993. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

5.56
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640475993
Dimensions18.33 × 9.25 × 5.77 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.33 mm9.25 mm5.56 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640475993
Side View
Table 59.0%Crown 33.7°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $6,749 AUD|Low: $1,506 AUD|High: $11,829 AUD|Avg: $4,217 AUD|-42.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$1,506 AUD
Retailer 4$2,055 AUD
Retailer 5$2,119 AUD
Retailer 2$2,409 AUD
Brilliant Earth$6,749 AUD
Retailer 6$7,926 AUD

2 data points across 6 retailers

1 retailer

B
Brilliant Earth
20170499B · Nov 2
$6,749 AUD
$4,730 USD
View

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.

B
5.56ct Marquise
$6,749 AUD