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Marquise|Lab Grown|IGI

5.09ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG791609888

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791609888

Diamond specifications and retailer prices

From $2,600 USD
As of October 31, 2026
Save $4,084 USD (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $13,760 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 D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG791609888 or 791609888. Listed at 6 retailers as of October 31, 2026, with a 157% 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

5.09
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791609888
Dimensions17.36 × 9.07 × 5.69 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.36 mm9.07 mm5.09 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791609888
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $6,684 USD|Low: $2,600 USD|High: $9,880 USD|Avg: $4,664 USD|-11.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$2,600 USD
Retailer 2$2,863 USD
Retailer 10$2,966 USD
Retailer 5$2,979 USD
Retailer 6$3,034 USD
Retailer 7$4,224 USD
Retailer 9$5,608 USD
Retailer 4$6,285 USD
Retailer 1$6,684 USD
Retailer 8$9,880 USD

7 data points across 10 retailers

6 retailers$2,600 USD to $6,684 USD

A
Cheapest Retailer
-
$2,600 USD
B+
Retailer 2
-
$2,979 USD
View
B+
Retailer 3
-
$3,034 USD
View
B
Retailer 4
-
$6,285 USD
A$9,669 AUD
View
B
Retailer 5
-
$6,684 USD
£5,263 GBP
View
Most Expensive
Brilliant Earth
22407411A · Oct 31
$13,760 USD
View
Price under review
5 more retailers have this diamond
Prices start from $2,600 USDSave up to $4,084 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
$2,600 USD