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Marquise|Lab Grown|IGI

3.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG839699121

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839699121

Diamond specifications and retailer prices

From $462 USD
As of November 4, 2026
Save $3,188 USD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,650 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.09ct lab-grown marquise diamond

This 3.09ct 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 LG839699121 or 839699121. Listed at 21 retailers as of November 3, 2026, with prices from $462 to $3,650, a $3,188 spread on the same certified stone. Brilliant Earth lists it at $3,650. 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

3.09
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839699121
Dimensions14.88 × 7.79 × 4.75 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
14.88 mm7.79 mm3.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839699121
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 40.8°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 4
Current: $3,650 USD|Low: $462 USD|High: $3,890 USD|Avg: $1,391 USD|-6.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 4, 2026
Retailer 9$462 USD
Retailer 18$517 USD
Retailer 20$573 USD
Retailer 14$652 USD
Retailer 5$715 USD
Retailer 7$768 USD
Retailer 19$872 USD
Retailer 2$939 USD
Retailer 11$1,037 USD
Retailer 4$1,236 USD
Retailer 17$1,243 USD
Retailer 10$1,264 USD
Retailer 16$1,539 USD
Retailer 3$1,841 USD
Retailer 8$1,871 USD
Retailer 13$2,010 USD
Retailer 15$2,103 USD
Retailer 6$2,173 USD
Retailer 12$2,560 USD
Brilliant Earth$3,650 USD

30 data points across 20 retailers

21 retailers$462 USD to $3,650 USD

A
Cheapest Retailer
-
$462 USD
A
Retailer 2
-
$517 USD
View
A
Retailer 3
-
$573 USD
View
Retailer 4
-
$599 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$652 USD
View
A
Retailer 6
-
$715 USD
View
B+
Retailer 7
-
$768 USD
View
A
Retailer 8
-
$872 USD
View
A
Retailer 9
-
$939 USD
View
Retailer 10
-
$1,037 USD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$1,236 USD
View
A
Retailer 12
-
$1,243 USD
View
A
Retailer 13
-
$1,264 USD
View
B+
Retailer 14
-
$1,539 USD
View
B+
Retailer 15
-
$1,841 USD
View
B+
Retailer 16
-
$1,871 USD
View
B+
Retailer 17
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$2,010 USD
View
B+
Retailer 18
-
$2,103 USD
View
B+
Retailer 19
-
$2,173 USD
View
B
Retailer 20
-
$2,560 USD
View
Most Expensive
B
Brilliant Earth
21622796A · Nov 3
$3,650 USD
View
20 more retailers have this diamond
Prices start from $462 USDSave up to $3,188 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
3.09ct Marquise
$462 USD