Marquise|Lab Grown|IGI

4.90ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG831649013

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831649013

Diamond specifications and retailer prices

From $720 USD
£567 GBP
As of October 27, 2026
Save $4,480 USD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,200 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.9ct lab-grown marquise diamond

This 4.9ct 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 LG831649013 or 831649013. Listed at 24 retailers as of October 27, 2026, with prices from $720 to $5,200, a $4,480 spread on the same certified stone. Brilliant Earth lists it at $5,200. 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

4.90
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831649013
Dimensions17.46 × 9.14 × 5.51 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.46 mm9.14 mm4.90 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831649013
Side View
Table 63.0%Crown 32.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $5,200 USD|Low: $718 USD|High: $9,280 USD|Avg: $2,573 USD|-44.0%
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 18$720 USD
Retailer 7$776 USD
Retailer 13$922 USD
Retailer 5$980 USD
Retailer 17$1,245 USD
Retailer 19$1,281 USD
Retailer 8$1,308 USD
Retailer 6$1,694 USD
Retailer 21$1,734 USD
Retailer 2$1,772 USD
Retailer 3$2,037 USD
Retailer 12$2,530 USD
Retailer 9$2,640 USD
Retailer 15$2,652 USD
Retailer 4$2,744 USD
Retailer 10$2,775 USD
Retailer 20$3,164 USD
Retailer 14$3,518 USD
Retailer 16$3,736 USD
Retailer 11$4,940 USD
Brilliant Earth$5,200 USD

29 data points across 21 retailers

24 retailers$720 USD to $5,200 USD

Retailer 1
-
$701 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$720 USD
£567 GBP
View
Retailer 3
-
$763 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$813 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
$922 USD
HK$7,200 HKD
View
Retailer 6
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$980 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
$1,245 USD
€1,186 EUR
View
A
Retailer 8
-
$1,281 USD
£1,009 GBP
View
Retailer 9
-
$1,308 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$1,694 USD
ZAR 27,361 ZAR
View
Price last confirmed 14 days ago
Retailer 11
-
$1,734 USD
A$2,668 AUD
View
Price last confirmed 12 days ago
A
Retailer 12
-
$1,772 USD
View
A
Retailer 13
-
$2,037 USD
View
Retailer 14
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$2,286 USD
View
Price last confirmed 16 days ago
Retailer 15
-
$2,530 USD
£1,992 GBP
View
Price last confirmed 17 days ago
Retailer 16
-
$2,640 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$2,652 USD
SGD 3,584 SGD
View
Retailer 18
-
$2,744 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
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$2,775 USD
View
B+
Retailer 20
-
$3,164 USD
£2,491 GBP
View
Retailer 21
-
$3,518 USD
A$5,412 AUD
View
Price last confirmed 30 days ago
B
Retailer 22
-
$3,736 USD
View
B
Retailer 23
-
$4,940 USD
View
Most Expensive
B
Brilliant Earth
21633447A · Nov 2
$5,200 USD
View
23 more retailers have this diamond
Prices start from $720 USDSave up to $4,480 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
4.90ct Marquise
$720 USD