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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 $590 SGD
As of November 4, 2026
Save $4,072 SGD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,662 SGD at Brilliant Earth · As of November 4, 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 4, 2026, with prices from $590 to $4,662, a $4,072 spread on the same certified stone. Brilliant Earth lists it at $4,662. 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
Colour
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

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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: $4,662 SGD|Low: $590 SGD|High: $4,969 SGD|Avg: $1,786 SGD|-6.2%
Brilliant Earth
Retailer 2
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Retailer 6
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Retailer 20
November 5, 2026
Retailer 10$590 SGD
Retailer 19$660 SGD
Retailer 3$732 SGD
Retailer 2$829 SGD
Retailer 6$913 SGD
Retailer 8$981 SGD
Retailer 20$1,114 SGD
Retailer 13$1,199 SGD
Retailer 11$1,325 SGD
Retailer 14$1,546 SGD
Retailer 5$1,579 SGD
Retailer 18$1,588 SGD
Retailer 17$1,966 SGD
Retailer 4$2,352 SGD
Retailer 9$2,390 SGD
Retailer 15$2,567 SGD
Retailer 16$2,686 SGD
Retailer 7$2,776 SGD
Retailer 12$3,270 SGD
Brilliant Earth$4,662 SGD

30 data points across 20 retailers

21 retailers$590 SGD to $4,662 SGD

A
Cheapest Retailer
-
$590 SGD
A
Retailer 2
-
$660 SGD
View
A
Retailer 3
-
$732 SGD
View
Retailer 4
-
$765 SGD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$829 SGD
View
A
Retailer 6
-
$913 SGD
View
B+
Retailer 7
-
$981 SGD
View
A
Retailer 8
-
$1,114 SGD
View
A
Retailer 9
-
$1,199 SGD
View
Retailer 10
-
$1,325 SGD
View
Price last confirmed 10 days ago
A
Retailer 11
-
$1,546 SGD
View
A
Retailer 12
-
$1,579 SGD
View
A
Retailer 13
-
$1,588 SGD
View
B+
Retailer 14
-
$1,966 SGD
View
B+
Retailer 15
-
$2,352 SGD
View
B+
Retailer 16
-
$2,390 SGD
View
B+
Retailer 17
-
$2,567 SGD
View
B+
Retailer 18
-
$2,686 SGD
View
B+
Retailer 19
-
$2,776 SGD
View
Retailer 20
-
$3,270 SGD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21622796A · Nov 4
$4,662 SGD
$3,650 USD
View
20 more retailers have this diamond
Prices start from $590 SGDSave up to $4,072 SGD

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
$590 SGD