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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 $694 CAD
$497 USD
As of October 30, 2026
Save $2,918 CAD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,612 CAD at MOH London · As of October 29, 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 29, 2026, with prices from $694 to $3,612, a $2,918 spread on the same certified stone. MOH London lists it at $3,612. 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
Color
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

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: Oct 30
Current: $3,612 CAD|Low: $666 CAD|High: $3,679 CAD|Avg: $1,723 CAD|-1.5%
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
October 31, 2026
Retailer 6$694 CAD
Retailer 4$777 CAD
Retailer 8$777 CAD
Retailer 18$860 CAD
Retailer 10$869 CAD
Retailer 11$985 CAD
Retailer 17$1,055 CAD
Retailer 15$1,337 CAD
Retailer 13$1,379 CAD
Retailer 5$1,432 CAD
Retailer 12$1,818 CAD
Retailer 14$1,868 CAD
Retailer 2$2,027 CAD
Retailer 3$2,263 CAD
Retailer 7$2,729 CAD
Retailer 16$2,803 CAD
Retailer 9$2,947 CAD
MOH London$3,612 CAD

32 data points across 18 retailers

18 retailers$694 CAD to $3,612 CAD

A
Cheapest Retailer
-
$694 CAD
$497 USD
A
Retailer 2
-
$777 CAD
$556 USD
View
A
Retailer 3
-
$777 CAD
$556 USD
View
Final sale: no returns
A
Retailer 4
-
$860 CAD
$616 USD
View
Retailer 5
-
$869 CAD
$622 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$985 CAD
£555 GBP
View
A
Retailer 7
-
$1,055 CAD
$755 USD
View
A
Retailer 8
-
$1,337 CAD
$957 USD
View
A
Retailer 9
-
$1,379 CAD
$987 USD
View
A
Retailer 10
-
$1,432 CAD
$1,025 USD
View
A
Retailer 11
-
$1,818 CAD
A$2,002 AUD
View
A
Retailer 12
-
$1,868 CAD
ZAR 21,602 ZAR
View
A
Retailer 13
-
$2,027 CAD
$1,451 USD
View
A
Retailer 14
-
$2,263 CAD
$1,620 USD
View
B+
Retailer 15
-
$2,729 CAD
SGD 2,640 SGD
View
B+
Retailer 16
-
$2,803 CAD
$2,007 USD
View
B+
Retailer 17
-
$2,947 CAD
$2,110 USD
View
Most Expensive
B+
MOH London
LG818639599 · Oct 29
$3,612 CAD
£2,036 GBP
View
17 more retailers have this diamond
Prices start from $694 CADSave up to $2,918 CAD

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
$694 CAD