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Marquise|Lab Grown|IGI

5.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG831681233

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831681233

Diamond specifications and retailer prices

From $661 USD
As of November 2, 2026
Save $4,739 USD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,400 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831681233 or 831681233. Listed at 20 retailers as of October 31, 2026, with prices from $661 to $5,400, a $4,739 spread on the same certified stone. Brilliant Earth lists it at $5,400. 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

5.09
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831681233
Dimensions18.25 × 8.90 × 5.43 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
18.25 mm8.90 mm5.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831681233
Side View
Table 65.0%Crown 34.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,400 USD|Low: $661 USD|High: $5,400 USD|Avg: $2,079 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 19
Retailer 20
November 2, 2026
Retailer 20$661 USD
Retailer 14$720 USD
Retailer 3$767 USD
Retailer 2$831 USD
Retailer 4$945 USD
Retailer 18$1,153 USD
Retailer 13$1,227 USD
Retailer 11$1,251 USD
Retailer 19$1,555 USD
Retailer 6$1,559 USD
Retailer 17$1,960 USD
Retailer 10$2,023 USD
Retailer 8$2,157 USD
Retailer 7$2,464 USD
Retailer 5$2,571 USD
Retailer 12$2,647 USD
Retailer 15$3,232 USD
Retailer 16$3,654 USD
Retailer 9$4,465 USD
Brilliant Earth$5,400 USD

8 data points across 20 retailers

20 retailers$661 USD to $5,400 USD

A
Cheapest Retailer
-
$661 USD
A
Retailer 2
-
$720 USD
View
A
Retailer 3
-
$767 USD
View
A
Retailer 4
-
$831 USD
£654 GBP
View
A
Retailer 5
-
$945 USD
View
A
Retailer 6
-
$1,153 USD
View
A
Retailer 7
-
$1,227 USD
£966 GBP
View
B+
Retailer 8
-
$1,251 USD
View
A
Retailer 9
-
$1,555 USD
A$2,392 AUD
View
A
Retailer 10
-
$1,559 USD
ZAR 25,182 ZAR
View
B+
Retailer 11
-
$1,960 USD
View
B+
Retailer 12
-
$2,023 USD
View
B+
Retailer 13
-
$2,157 USD
View
B+
Retailer 14
-
$2,464 USD
View
B+
Retailer 15
-
$2,571 USD
SGD 3,474 SGD
View
B+
Retailer 16
-
$2,647 USD
View
B
Retailer 17
-
$3,232 USD
£2,545 GBP
View
B
Retailer 18
-
$3,654 USD
A$5,621 AUD
View
B
Retailer 19
-
$4,465 USD
View
Most Expensive
B
Brilliant Earth
22347597A · Oct 31
$5,400 USD
View
19 more retailers have this diamond
Prices start from $661 USDSave up to $4,739 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
5.09ct Marquise
$661 USD