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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 €715 EUR
£629 GBP
As of October 30, 2026
Save €2,261 EUR (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €2,976 EUR 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 €715 to €2,976, a €2,261 spread on the same certified stone. Helzberg Diamonds lists it at €2,976. 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: €2,976 EUR|Low: €550 EUR|High: €2,976 EUR|Avg: €1,093 EUR
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€550 EUR
Retailer 4€602 EUR
Retailer 5€649 EUR
Retailer 3€715 EUR
Retailer 6€812 EUR
Retailer 10€873 EUR
Retailer 9€1,045 EUR
Retailer 7€1,288 EUR
Retailer 2€2,077 EUR
Helzberg Diamonds€2,976 EUR

3 data points across 10 retailers

3 retailers€715 EUR to €2,976 EUR

A
Cheapest Retailer
-
€715 EUR
£629 GBP
B+
Retailer 2
-
€2,077 EUR
$2,320 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOGGMOMNHJ · Nov 1
€2,976 EUR
$3,325 USD
View
2 more retailers have this diamond
Prices start from €715 EURSave up to €2,261 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.

A
3.09ct Marquise
€715 EUR