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Marquise|Lab Grown|IGI

3.56ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG819646513

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819646513

Diamond specifications and retailer prices

From £487 GBP
$653 USD
As of November 2, 2026
Save £3,634 GBP (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,121 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.56ct lab-grown marquise diamond

This 3.56ct 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 LG819646513 or 819646513. Listed at 11 retailers as of November 2, 2026, with prices from £487 to £4,121, a £3,634 spread on the same certified stone. Do Amore Diamonds lists it at £4,121. 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

3.56
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819646513
Dimensions15.65 × 7.89 × 4.99 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.65 mm7.89 mm3.56 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819646513
Side View
Table 60.0%Crown 34.7°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
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: £4,121 GBP|Low: £467 GBP|High: £4,322 GBP|Avg: £1,605 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 7£487 GBP
Retailer 3£797 GBP
Retailer 9£852 GBP
Retailer 6£853 GBP
Retailer 8£922 GBP
Retailer 5£1,443 GBP
Retailer 4£1,960 GBP
Retailer 2£2,448 GBP
Do Amore Diamonds£4,121 GBP

27 data points across 9 retailers

11 retailers£487 GBP to £4,121 GBP

A
Cheapest Retailer
-
£487 GBP
$653 USD
A
Retailer 2
-
£530 GBP
$711 USD
View
A
Retailer 3
-
£797 GBP
View
A
Retailer 4
-
£852 GBP
$1,144 USD
View
A
Retailer 5
-
£853 GBP
$1,145 USD
View
A
Retailer 6
-
£922 GBP
$1,237 USD
View
B+
Retailer 7
-
£1,443 GBP
$1,936 USD
View
B+
Retailer 8
-
£1,753 GBP
$2,352 USD
View
B+
Retailer 9
-
£1,960 GBP
$2,630 USD
View
B
Retailer 10
-
£2,448 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1787638 · Nov 2
£4,121 GBP
$5,530 USD
View
10 more retailers have this diamond
Prices start from £487 GBPSave up to £3,634 GBP

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
3.56ct Marquise
£487 GBP