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Marquise|Lab Grown|IGI

3.97ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG816666902

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816666902

Diamond specifications and retailer prices

From €642 EUR
$720 USD
As of November 2, 2026
Save €3,602 EUR (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,244 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.97ct lab-grown marquise diamond

This 3.97ct 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 LG816666902 or 816666902. Listed at 12 retailers as of November 2, 2026, with prices from €642 to €4,244, a €3,602 spread on the same certified stone. Do Amore Diamonds lists it at €4,244. 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

3.97
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816666902
Dimensions16.63 × 8.21 × 5.16 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.63 mm8.21 mm3.97 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816666902
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

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: Nov 2
Current: €4,244 EUR|Low: €642 EUR|High: €4,244 EUR|Avg: €1,808 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
November 2, 2026
Retailer 7€642 EUR
Retailer 12€772 EUR
Retailer 2€782 EUR
Retailer 8€784 EUR
Retailer 9€950 EUR
Retailer 3€969 EUR
Retailer 11€1,145 EUR
Retailer 10€1,528 EUR
Retailer 6€2,435 EUR
Retailer 5€2,839 EUR
Retailer 4€3,664 EUR
Do Amore Diamonds€4,244 EUR

17 data points across 12 retailers

12 retailers€642 EUR to €4,244 EUR

A
Cheapest Retailer
-
€642 EUR
$720 USD
A
Retailer 2
-
€772 EUR
$865 USD
View
A
Retailer 3
-
€782 EUR
£691 GBP
View
B+
Retailer 4
-
€784 EUR
$879 USD
View
Retailer 5
-
€950 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
€1,145 EUR
$1,284 USD
View
B+
Retailer 7
-
€1,528 EUR
$1,714 USD
View
B+
Retailer 8
-
€1,719 EUR
$1,928 USD
View
B+
Retailer 9
-
€2,435 EUR
A$4,202 AUD
View
B
Retailer 10
-
€2,839 EUR
£2,507 GBP
View
Retailer 11
-
€3,664 EUR
$4,110 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Do Amore Diamonds
27-AAC206A1F · Nov 2
€4,244 EUR
$4,760 USD
View
11 more retailers have this diamond
Prices start from €642 EURSave up to €3,602 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
3.97ct Marquise
€642 EUR