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 $798 USD
As of November 1, 2026
Save $566 USD (42%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,190 USD 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
Color
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: $5,190 USD|Low: $798 USD|High: $5,190 USD|Avg: $2,973 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$798 USD
Retailer 2$1,364 USD
Retailer 4$3,985 USD
Brilliant Earth$5,190 USD

18 data points across 4 retailers

4 retailers$798 USD to $1,364 USD

A
Cheapest Retailer
-
$798 USD
Final sale: no returns
A
Retailer 2
-
$1,364 USD
£1,074 GBP
View
Retailer 3
-
$3,985 USD
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
22003365A · Oct 23
$5,190 USD
View
Price last confirmed 10 days ago
3 more retailers have this diamond
Prices start from $798 USDSave up to $566 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
$798 USD