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Marquise|Lab Grown|IGI

3.09ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG800686713

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800686713

Diamond specifications and retailer prices

From $1,116 CAD
£629 GBP
As of October 30, 2026
Save $3,529 CAD (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,645 CAD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

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 LG800686713 or 800686713. Listed at 3 retailers as of October 30, 2026, with prices from $1,116 to $4,645, a $3,529 spread on the same certified stone. Helzberg Diamonds lists it at $4,645. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800686713
Dimensions14.60 × 7.61 × 4.88 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.60 mm7.61 mm3.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800686713
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,645 CAD|Low: $859 CAD|High: $4,645 CAD|Avg: $1,706 CAD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$859 CAD
Retailer 4$939 CAD
Retailer 5$1,013 CAD
Retailer 3$1,116 CAD
Retailer 6$1,267 CAD
Retailer 10$1,362 CAD
Retailer 9$1,632 CAD
Retailer 7$2,010 CAD
Retailer 2$3,241 CAD
Helzberg Diamonds$4,645 CAD

3 data points across 10 retailers

3 retailers$1,116 CAD to $4,645 CAD

A
Cheapest Retailer
-
$1,116 CAD
£629 GBP
B+
Retailer 2
-
$3,241 CAD
$2,320 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOGGMOMNHJ · Nov 1
$4,645 CAD
$3,325 USD
View
2 more retailers have this diamond
Prices start from $1,116 CADSave up to $3,529 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
$1,116 CAD