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Marquise|Lab Grown|IGI

4.99ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG842648089

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842648089

Diamond specifications and retailer prices

From $814 USD
As of November 1, 2026
Save $8,636 USD (91%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,450 USD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 4.99ct lab-grown marquise diamond

This 4.99ct 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 LG842648089 or 842648089. Listed at 4 retailers as of October 27, 2026, with prices from $814 to $9,450, a $8,636 spread on the same certified stone. Brilliant Earth lists it at $9,450. 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

4.99
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842648089
Dimensions17.65 × 8.83 × 5.54 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.65 mm8.83 mm4.99 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842648089
Side View
Table 62.0%Crown 35.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

Caratlytics Score

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

Last verified: Nov 1
Current: $9,450 USD|Low: $814 USD|High: $9,460 USD|Avg: $4,739 USD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 2$814 USD
Retailer 3$1,386 USD
Retailer 4$5,035 USD
Brilliant Earth$9,450 USD

18 data points across 4 retailers

4 retailers$814 USD to $9,450 USD

A
Cheapest Retailer
-
$814 USD
Final sale: no returns
A
Retailer 2
-
$1,386 USD
£1,091 GBP
View
B
Retailer 3
-
$5,035 USD
View
Most Expensive
B
Brilliant Earth
21744668A · Oct 27
$9,450 USD
View
3 more retailers have this diamond
Prices start from $814 USDSave up to $8,636 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
4.99ct Marquise
$814 USD