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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 €445 EUR
$497 USD
As of October 30, 2026
Save €1,857 EUR (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,302 EUR 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 €445 to €2,302, a €1,857 spread on the same certified stone. MOH London lists it at €2,302. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,302 EUR|Low: €427 EUR|High: €2,358 EUR|Avg: €1,102 EUR|-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€445 EUR
Retailer 4€498 EUR
Retailer 8€498 EUR
Retailer 18€551 EUR
Retailer 10€557 EUR
Retailer 2€629 EUR
Retailer 17€676 EUR
Retailer 15€857 EUR
Retailer 13€883 EUR
Retailer 5€917 EUR
Retailer 12€1,165 EUR
Retailer 14€1,197 EUR
Retailer 11€1,299 EUR
Retailer 3€1,450 EUR
Retailer 7€1,749 EUR
Retailer 16€1,796 EUR
Retailer 9€1,889 EUR
MOH London€2,302 EUR

32 data points across 18 retailers

18 retailers€445 EUR to €2,302 EUR

A
Cheapest Retailer
-
€445 EUR
$497 USD
A
Retailer 2
-
€498 EUR
$556 USD
View
A
Retailer 3
-
€498 EUR
$556 USD
View
Final sale: no returns
A
Retailer 4
-
€551 EUR
$616 USD
View
Retailer 5
-
€557 EUR
$622 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€629 EUR
£553 GBP
View
A
Retailer 7
-
€676 EUR
$755 USD
View
A
Retailer 8
-
€857 EUR
$957 USD
View
A
Retailer 9
-
€883 EUR
$987 USD
View
A
Retailer 10
-
€917 EUR
$1,025 USD
View
A
Retailer 11
-
€1,165 EUR
A$2,002 AUD
View
A
Retailer 12
-
€1,197 EUR
ZAR 21,602 ZAR
View
A
Retailer 13
-
€1,299 EUR
$1,451 USD
View
A
Retailer 14
-
€1,450 EUR
$1,620 USD
View
B+
Retailer 15
-
€1,749 EUR
SGD 2,640 SGD
View
B+
Retailer 16
-
€1,796 EUR
$2,007 USD
View
B+
Retailer 17
-
€1,889 EUR
$2,110 USD
View
Most Expensive
B+
MOH London
LG818639599 · Nov 1
€2,302 EUR
£2,025 GBP
View
17 more retailers have this diamond
Prices start from €445 EURSave up to €1,857 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
€445 EUR