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Marquise|Lab Grown|IGI

3.98ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG847606300

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847606300

Diamond specifications and retailer prices

From $763 AUD
$535 USD
As of November 1, 2026
Save $4,202 AUD (85%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,966 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.98ct lab-grown marquise diamond

This 3.98ct 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 LG847606300 or 847606300. Listed at 4 retailers as of November 1, 2026, with prices from $763 to $4,966, a $4,202 spread on the same certified stone. Brilliant Earth lists it at $4,966. 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

3.98
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847606300
Dimensions17.01 × 8.13 × 5.09 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.01 mm8.13 mm3.98 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847606300
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,454 AUD|Low: $763 AUD|High: $1,479 AUD|Avg: $1,202 AUD|-1.7%
Retailer 1
Retailer 2
November 2, 2026
Retailer 2$763 AUD
Retailer 1$1,454 AUD

12 data points across 2 retailers

4 retailers$763 AUD to $4,966 AUD

A
Cheapest Retailer
-
$763 AUD
$535 USD
Final sale: no returns
A
Retailer 2
-
$1,454 AUD
£802 GBP
View
B
Retailer 3
-
$3,803 AUD
$2,665 USD
View
Most Expensive
B
Brilliant Earth
22306916A · Nov 2
$4,966 AUD
$3,480 USD
View
3 more retailers have this diamond
Prices start from $763 AUDSave up to $4,202 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
3.98ct Marquise
$763 AUD