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Marquise|Lab Grown|IGI

4.88ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG851607577

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851607577

Diamond specifications and retailer prices

From $1,691 AUD
£936 GBP
As of November 1, 2026
Save $4,117 AUD (71%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,808 AUD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 4.88ct lab-grown marquise diamond

This 4.88ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851607577 or 851607577. Listed at 2 retailers as of November 1, 2026, with prices from $1,691 to $5,808, a $4,117 spread on the same certified stone. Brilliant Earth lists it at $5,808. 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

4.88
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851607577
Dimensions18.40 × 8.96 × 5.38 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.40 mm8.96 mm4.88 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851607577
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $5,808 AUD|Low: $1,691 AUD|High: $5,808 AUD|Avg: $3,750 AUD
Brilliant Earth
Retailer 2
November 1, 2026
Retailer 2$1,691 AUD
Brilliant Earth$5,808 AUD

1 data point across 2 retailers

2 retailers$1,691 AUD to $5,808 AUD

B+
Cheapest Retailer
-
$1,691 AUD
£936 GBP
Most Expensive
Brilliant Earth
22429618A · Nov 1
$5,808 AUD
$4,080 USD
View
1 more retailer has this diamond
Prices start from $1,691 AUDSave up to $4,117 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.

B+
4.88ct Marquise
$1,691 AUD