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Marquise|Lab Grown|IGI

3.51ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG843641551

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843641551

Diamond specifications and retailer prices

From €480 EUR
$536 USD
As of October 29, 2026
Save €2,537 EUR (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,016 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.51ct lab-grown marquise diamond

This 3.51ct 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 LG843641551 or 843641551. Listed at 14 retailers as of October 29, 2026, with prices from €480 to €3,016, a €2,537 spread on the same certified stone. Brilliant Earth lists it at €3,016. 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

3.51
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843641551
Dimensions15.66 × 7.75 × 4.87 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.66 mm7.75 mm3.51 ctF / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG843641551
Side View
Table 59.0%Crown 35.3°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €3,016 EUR|Low: €480 EUR|High: €5,039 EUR|Avg: €1,582 EUR|-40.1%
Brilliant Earth
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
October 31, 2026
Retailer 3€480 EUR
Retailer 9€638 EUR
Retailer 8€658 EUR
Retailer 6€712 EUR
Retailer 11€794 EUR
Retailer 10€877 EUR
Retailer 7€1,179 EUR
Retailer 2€1,202 EUR
Retailer 4€1,734 EUR
Retailer 14€1,831 EUR
Retailer 13€1,865 EUR
Retailer 12€1,955 EUR
Retailer 5€2,421 EUR
Brilliant Earth€3,016 EUR

12 data points across 14 retailers

14 retailers€480 EUR to €3,016 EUR

A
Cheapest Retailer
-
€480 EUR
$536 USD
Final sale: no returns
A
Retailer 2
-
€638 EUR
£561 GBP
View
A
Retailer 3
-
€658 EUR
$735 USD
View
B+
Retailer 4
-
€712 EUR
$795 USD
View
A
Retailer 5
-
€794 EUR
View
A
Retailer 6
-
€877 EUR
£772 GBP
View
A
Retailer 7
-
€1,179 EUR
$1,317 USD
View
A
Retailer 8
-
€1,202 EUR
$1,343 USD
View
B+
Retailer 9
-
€1,734 EUR
$1,938 USD
View
B+
Retailer 10
-
€1,831 EUR
$2,046 USD
View
Retailer 11
-
€1,865 EUR
$2,084 USD
View
Price last confirmed 7 days ago
Retailer 12
-
€1,955 EUR
£1,720 GBP
View
Price last confirmed 7 days ago
B
Retailer 13
-
€2,421 EUR
$2,705 USD
View
Most Expensive
B
Brilliant Earth
22183942A · Oct 31
€3,016 EUR
$3,370 USD
View
13 more retailers have this diamond
Prices start from €480 EURSave up to €2,537 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
3.51ct Marquise
€480 EUR