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Marquise|Lab Grown|IGI

3.50ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG844614688

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844614688

Diamond specifications and retailer prices

From €669 EUR
$750 USD
As of November 1, 2026
Save €1,734 EUR (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,403 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.5ct lab-grown marquise diamond

This 3.5ct 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 LG844614688 or 844614688. Listed at 8 retailers as of October 28, 2026, with prices from €669 to €2,403, a €1,734 spread on the same certified stone. Rare Carat lists it at €2,403. 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

3.50
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844614688
Dimensions15.99 × 7.38 × 4.70 mm
L/W Ratio2.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.99 mm7.38 mm3.50 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844614688
Side View
Table 60.0%Crown 36.3°Girdle: THK-VTKPavilion 37.8°Culet: NoneDepth 63.7%

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 1
Current: €2,403 EUR|Low: €669 EUR|High: €2,403 EUR|Avg: €1,261 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8€669 EUR
Retailer 4€793 EUR
Retailer 2€818 EUR
Retailer 6€848 EUR
Retailer 5€1,144 EUR
Retailer 7€1,630 EUR
Retailer 3€1,830 EUR
Rare Carat€2,403 EUR

14 data points across 8 retailers

8 retailers€669 EUR to €2,403 EUR

B+
Cheapest Retailer
-
€669 EUR
$750 USD
A
Retailer 2
-
€793 EUR
View
A
Retailer 3
-
€818 EUR
£722 GBP
View
A
Retailer 4
-
€848 EUR
$951 USD
View
A
Retailer 5
-
€1,144 EUR
$1,283 USD
View
B+
Retailer 6
-
€1,630 EUR
$1,828 USD
View
B+
Retailer 7
-
€1,830 EUR
£1,616 GBP
View
Most Expensive
B
Rare Carat
VDC-75-38_l_844614688 · Oct 28
€2,403 EUR
$2,695 USD
View
7 more retailers have this diamond
Prices start from €669 EURSave up to €1,734 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
3.50ct Marquise
€669 EUR