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Marquise|Lab Grown|IGI

3.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG836678012

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836678012

Diamond specifications and retailer prices

From $801 SGD
As of November 4, 2026
Save $3,861 SGD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,662 SGD 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 LG836678012 or 836678012. Listed at 19 retailers as of November 3, 2026, with prices from $801 to $4,662, a $3,861 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 angle35.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836678012
Dimensions15.43 × 7.55 × 4.50 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.43 mm7.55 mm3.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836678012
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 59.6%

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: $602 SGD|High: $5,518 SGD|Avg: $1,716 SGD|-9.4%
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
November 5, 2026
Retailer 8$602 SGD
Retailer 7$674 SGD
Retailer 5$801 SGD
Retailer 2$829 SGD
Retailer 16$913 SGD
Retailer 4$1,124 SGD
Retailer 12$1,143 SGD
Retailer 9$1,199 SGD
Retailer 11$1,546 SGD
Retailer 13$1,588 SGD
Retailer 14$1,966 SGD
Retailer 15$2,317 SGD
Retailer 3$2,567 SGD
Retailer 10$2,680 SGD
Retailer 6$3,270 SGD
Brilliant Earth$4,662 SGD

31 data points across 16 retailers

19 retailers$801 SGD to $4,662 SGD

Retailer 1
-
$602 SGD
Price last confirmed 20 days ago
Retailer 2
-
$674 SGD
View
Price last confirmed 22 days ago
Retailer 3
-
$746 SGD
View
Price last confirmed 21 days ago
Retailer 4
-
$746 SGD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$801 SGD
View
A
Retailer 6
-
$829 SGD
View
A
Retailer 7
-
$913 SGD
View
Retailer 8
-
$1,124 SGD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$1,143 SGD
View
A
Retailer 10
-
$1,199 SGD
View
A
Retailer 11
-
$1,546 SGD
View
A
Retailer 12
-
$1,588 SGD
View
B+
Retailer 13
-
$1,966 SGD
View
B+
Retailer 14
-
$2,317 SGD
View
Retailer 15
-
$2,399 SGD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$2,567 SGD
View
B+
Retailer 17
-
$2,680 SGD
View
Retailer 18
-
$3,270 SGD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21573143A · Nov 3
$4,662 SGD
$3,650 USD
View
18 more retailers have this diamond
Prices start from $801 SGDSave up to $3,861 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
$801 SGD