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Marquise|Lab Grown|IGI

3.09ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG818639599

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818639599

Diamond specifications and retailer prices

From $635 SGD
$497 USD
As of October 30, 2026
Save $2,652 SGD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,288 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818639599 or 818639599. Listed at 18 retailers as of October 30, 2026, with prices from $635 to $3,288, a $2,652 spread on the same certified stone. MOH London lists it at $3,288. 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
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818639599
Dimensions15.45 × 7.59 × 4.66 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
15.45 mm7.59 mm3.09 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818639599
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.4%

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: Oct 30
Current: $3,288 SGD|Low: $610 SGD|High: $3,367 SGD|Avg: $1,574 SGD|-2.1%
MOH London
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
November 1, 2026
Retailer 6$635 SGD
Retailer 4$711 SGD
Retailer 8$711 SGD
Retailer 18$787 SGD
Retailer 10$795 SGD
Retailer 2$898 SGD
Retailer 17$965 SGD
Retailer 15$1,223 SGD
Retailer 13$1,262 SGD
Retailer 5$1,310 SGD
Retailer 12$1,664 SGD
Retailer 14$1,709 SGD
Retailer 11$1,855 SGD
Retailer 3$2,071 SGD
Retailer 7$2,497 SGD
Retailer 16$2,566 SGD
Retailer 9$2,697 SGD
MOH London$3,288 SGD

32 data points across 18 retailers

18 retailers$635 SGD to $3,288 SGD

A
Cheapest Retailer
-
$635 SGD
$497 USD
A
Retailer 2
-
$711 SGD
$556 USD
View
A
Retailer 3
-
$711 SGD
$556 USD
View
Final sale: no returns
A
Retailer 4
-
$787 SGD
$616 USD
View
Retailer 5
-
$795 SGD
$622 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$898 SGD
£553 GBP
View
A
Retailer 7
-
$965 SGD
$755 USD
View
A
Retailer 8
-
$1,223 SGD
$957 USD
View
A
Retailer 9
-
$1,262 SGD
$987 USD
View
A
Retailer 10
-
$1,310 SGD
$1,025 USD
View
A
Retailer 11
-
$1,664 SGD
A$2,002 AUD
View
A
Retailer 12
-
$1,709 SGD
ZAR 21,602 ZAR
View
A
Retailer 13
-
$1,855 SGD
$1,451 USD
View
A
Retailer 14
-
$2,071 SGD
$1,620 USD
View
B+
Retailer 15
-
$2,497 SGD
View
B+
Retailer 16
-
$2,566 SGD
$2,007 USD
View
B+
Retailer 17
-
$2,697 SGD
$2,110 USD
View
Most Expensive
B+
MOH London
LG818639599 · Nov 1
$3,288 SGD
£2,025 GBP
View
17 more retailers have this diamond
Prices start from $635 SGDSave up to $2,652 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
$635 SGD