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Marquise|Lab Grown|IGI

4.89ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG844658204

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844658204

Diamond specifications and retailer prices

From $1,139 AUD
$798 USD
As of November 1, 2026
Save $808 AUD (42%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,406 AUD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 4.89ct lab-grown marquise diamond

This 4.89ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844658204 or 844658204. Listed at 4 retailers as of November 1, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.89
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844658204
Dimensions17.68 × 8.99 × 5.52 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.68 mm8.99 mm4.89 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844658204
Side View
Table 60.0%Crown 34.5°Girdle: THN-STKPavilion 40.3°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $7,406 AUD|Low: $1,139 AUD|High: $7,406 AUD|Avg: $4,242 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$1,139 AUD
Retailer 2$1,947 AUD
Retailer 4$5,686 AUD
Brilliant Earth$7,406 AUD

18 data points across 4 retailers

4 retailers$1,139 AUD to $1,947 AUD

A
Cheapest Retailer
-
$1,139 AUD
$798 USD
Final sale: no returns
A
Retailer 2
-
$1,947 AUD
£1,074 GBP
View
Retailer 3
-
$5,686 AUD
$3,985 USD
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
22003365A · Oct 23
$7,406 AUD
$5,190 USD
View
Price last confirmed 10 days ago
3 more retailers have this diamond
Prices start from $1,139 AUDSave up to $808 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
4.89ct Marquise
$1,139 AUD