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Marquise|Lab Grown|IGI

4.89ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG850632073

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850632073

Diamond specifications and retailer prices

From $1,392 USD
£1,096 GBP
As of November 2, 2026
Save $3,798 USD (73%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,190 USD at Brilliant Earth · As of October 31, 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 LG850632073 or 850632073. Listed at 2 retailers as of October 31, 2026, with prices from $1,392 to $5,190, a $3,798 spread on the same certified stone. Brilliant Earth lists it at $5,190. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850632073
Dimensions18.06 × 8.82 × 5.46 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
18.06 mm8.82 mm4.89 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850632073
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $5,190 USD|Low: $1,380 USD|High: $5,190 USD|Avg: $3,289 USD
Brilliant Earth
Retailer 2
November 2, 2026
Retailer 2$1,392 USD
Brilliant Earth$5,190 USD

3 data points across 2 retailers

2 retailers$1,392 USD to $5,190 USD

A
Cheapest Retailer
-
$1,392 USD
£1,096 GBP
Most Expensive
B
Brilliant Earth
22378893A · Oct 31
$5,190 USD
View
1 more retailer has this diamond
Prices start from $1,392 USDSave up to $3,798 USD

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
$1,392 USD