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Marquise|Lab Grown|IGI

3.91ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG811657843

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811657843

Diamond specifications and retailer prices

From €633 EUR
$710 USD
As of November 2, 2026
Save €3,548 EUR (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,182 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.91ct lab-grown marquise diamond

This 3.91ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811657843 or 811657843. Listed at 12 retailers as of November 2, 2026, with prices from €633 to €4,182, a €3,548 spread on the same certified stone. Do Amore Diamonds lists it at €4,182. 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

3.91
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811657843
Dimensions17.05 × 8.28 × 4.97 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.05 mm8.28 mm3.91 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811657843
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €4,182 EUR|Low: €633 EUR|High: €4,182 EUR|Avg: €1,886 EUR
Do Amore Diamonds
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
November 1, 2026
Retailer 9€633 EUR
Retailer 13€760 EUR
Retailer 7€774 EUR
Retailer 10€937 EUR
Retailer 14€945 EUR
Retailer 12€1,113 EUR
Retailer 11€1,506 EUR
Retailer 4€1,861 EUR
Retailer 5€2,311 EUR
Retailer 8€2,397 EUR
Retailer 2€2,797 EUR
Retailer 6€2,935 EUR
Retailer 3€3,611 EUR
Do Amore Diamonds€4,182 EUR

16 data points across 14 retailers

12 retailers€633 EUR to €4,182 EUR

A
Cheapest Retailer
-
€633 EUR
$710 USD
A
Retailer 2
-
€760 EUR
$852 USD
View
B+
Retailer 3
-
€774 EUR
$868 USD
View
Retailer 4
-
€937 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€1,113 EUR
$1,248 USD
View
B+
Retailer 6
-
€1,506 EUR
$1,689 USD
View
B+
Retailer 7
-
€1,695 EUR
$1,901 USD
View
B+
Retailer 8
-
€2,397 EUR
A$4,136 AUD
View
B
Retailer 9
-
€2,797 EUR
£2,470 GBP
View
Retailer 10
-
€2,935 EUR
$3,292 USD
View
Price last confirmed 98 days ago
Retailer 11
-
€3,611 EUR
$4,050 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Do Amore Diamonds
27-704C2A69A · Nov 2
€4,182 EUR
$4,690 USD
View
11 more retailers have this diamond
Prices start from €633 EURSave up to €3,548 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
3.91ct Marquise
€633 EUR