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Marquise|Lab Grown|IGI

3.81ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG844640332

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844640332

Diamond specifications and retailer prices

From $812 AUD
$569 USD
As of November 1, 2026
Save $4,396 AUD (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,208 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.81ct lab-grown marquise diamond

This 3.81ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844640332 or 844640332. Listed at 3 retailers as of November 1, 2026, with prices from $812 to $5,208, a $4,396 spread on the same certified stone. Brilliant Earth lists it at $5,208. 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

3.81
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844640332
Dimensions15.73 × 8.26 × 5.15 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.73 mm8.26 mm3.81 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844640332
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,449 AUD|Low: $812 AUD|High: $1,496 AUD|Avg: $1,192 AUD|-3.2%
Retailer 1
Retailer 2
November 2, 2026
Retailer 2$812 AUD
Retailer 1$1,449 AUD

17 data points across 2 retailers

3 retailers$812 AUD to $5,208 AUD

A
Cheapest Retailer
-
$812 AUD
$569 USD
Final sale: no returns
A
Retailer 2
-
$1,449 AUD
£800 GBP
View
Most Expensive
B
Brilliant Earth
22003660A · Nov 2
$5,208 AUD
$3,650 USD
View
2 more retailers have this diamond
Prices start from $812 AUDSave up to $4,396 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
3.81ct Marquise
$812 AUD