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Marquise|Lab Grown|IGI

3.09ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG843684714

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843684714

Diamond specifications and retailer prices

From €540 EUR
$601 USD
As of October 29, 2026
Save €2,757 EUR (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,297 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843684714 or 843684714. Listed at 16 retailers as of October 26, 2026, with prices from €540 to €3,297, a €2,757 spread on the same certified stone. Brilliant Earth lists it at €3,297. 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
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843684714
Dimensions15.25 × 7.65 × 4.60 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.25 mm7.65 mm3.09 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843684714
Side View
Table 56.0%Crown 30.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.1%

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 29
Current: €928 EUR|Low: €540 EUR|High: €2,508 EUR|Avg: €1,352 EUR|+0.2%
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
Retailer 15
October 29, 2026
Retailer 5€540 EUR
Retailer 11€656 EUR
Retailer 2€719 EUR
Retailer 7€801 EUR
Retailer 10€908 EUR
Retailer 1€928 EUR
Retailer 14€1,212 EUR
Retailer 12€1,271 EUR
Retailer 9€1,298 EUR
Retailer 13€1,542 EUR
Retailer 6€1,892 EUR
Retailer 3€1,924 EUR
Retailer 4€1,941 EUR
Retailer 15€2,037 EUR
Retailer 8€2,508 EUR

19 data points across 15 retailers

16 retailers€540 EUR to €3,297 EUR

A
Cheapest Retailer
-
€540 EUR
$601 USD
Final sale: no returns
A
Retailer 2
-
€656 EUR
HK$5,700 HKD
View
A
Retailer 3
-
€719 EUR
$800 USD
View
B+
Retailer 4
-
€801 EUR
$892 USD
View
A
Retailer 5
-
€908 EUR
View
A
Retailer 6
-
€928 EUR
£813 GBP
View
A
Retailer 7
-
€1,212 EUR
$1,349 USD
View
Retailer 8
-
€1,271 EUR
A$2,177 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€1,298 EUR
ZAR 23,338 ZAR
View
B+
Retailer 10
-
€1,542 EUR
$1,716 USD
View
B+
Retailer 11
-
€1,892 EUR
SGD 2,845 SGD
View
B+
Retailer 12
-
€1,924 EUR
$2,141 USD
View
B+
Retailer 13
-
€1,941 EUR
$2,160 USD
View
B+
Retailer 14
-
€2,037 EUR
$2,267 USD
View
B
Retailer 15
-
€2,508 EUR
£2,198 GBP
View
Most Expensive
B
Brilliant Earth
21775701A · Oct 26
€3,297 EUR
$3,670 USD
View
15 more retailers have this diamond
Prices start from €540 EURSave up to €2,757 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
€540 EUR