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Marquise|Lab Grown|IGI

6.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG717578690

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG717578690

Diamond specifications and retailer prices

From €2,017 EUR
CA$3,142 CAD
As of November 2, 2026
Save €893 EUR (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €2,910 EUR at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 6.09ct lab-grown marquise diamond

This 6.09ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG717578690 or 717578690. Listed at 2 retailers as of November 1, 2026, with prices from €2,017 to €2,910, a €893 spread on the same certified stone. The Diamond Guys lists it at €2,910. 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

6.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717578690
Dimensions18.97 × 9.44 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Top View
18.97 mm9.44 mm6.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717578690
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,026 EUR|Low: €729 EUR|High: €5,011 EUR|Avg: €2,258 EUR|-14.9%
Retailer 1
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
The Diamond Guys
September 16, 2026
Retailer 8€729 EUR
Retailer 1€1,026 EUR
Retailer 5€1,036 EUR
Retailer 3€1,146 EUR
Retailer 2€1,162 EUR
Retailer 14€1,461 EUR
Retailer 7€1,679 EUR
Retailer 12€1,926 EUR
Retailer 13€2,017 EUR
Retailer 10€2,276 EUR
Retailer 6€2,446 EUR
The Diamond Guys€2,910 EUR
Retailer 4€3,844 EUR
Retailer 9€4,315 EUR
Retailer 11€4,768 EUR

56 data points across 15 retailers

2 retailers€2,017 EUR to €2,910 EUR

B+
Cheapest Retailer
-
€2,017 EUR
CA$3,142 CAD
Most Expensive
B
The Diamond Guys
1954435164 · Nov 1
€2,910 EUR
$3,264 USD
View
1 more retailer has this diamond
Prices start from €2,017 EURSave up to €893 EUR

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.

B+
6.09ct Marquise
€2,017 EUR