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Marquise|Lab Grown|IGI

2.21ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG851664816

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851664816

Diamond specifications and retailer prices

From £294 GBP
$395 USD
As of October 30, 2026
Save £1,132 GBP (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,426 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.21ct lab-grown marquise diamond

This 2.21ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851664816 or 851664816. Listed at 10 retailers as of October 30, 2026, with prices from £294 to £1,426, a £1,132 spread on the same certified stone. MOH London lists it at £1,426. 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

2.21
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851664816
Dimensions13.71 × 6.77 × 4.22 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
13.71 mm6.77 mm2.21 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851664816
Side View
Table 62.0%Crown 37.5°Girdle: STK-THKPavilion 40°Culet: NoneDepth 62.3%

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: Oct 30
Current: £1,426 GBP|Low: £294 GBP|High: £1,426 GBP|Avg: £660 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7£294 GBP
Retailer 9£401 GBP
Retailer 2£406 GBP
Retailer 3£477 GBP
Retailer 5£579 GBP
Retailer 4£621 GBP
Retailer 6£1,023 GBP
Retailer 8£1,161 GBP
MOH London£1,426 GBP

3 data points across 9 retailers

10 retailers£294 GBP to £1,426 GBP

A
Cheapest Retailer
-
£294 GBP
$395 USD
A
Retailer 2
-
£401 GBP
HK$4,200 HKD
View
A
Retailer 3
-
£406 GBP
View
A
Retailer 4
-
£477 GBP
$640 USD
View
A
Retailer 5
-
£579 GBP
$777 USD
View
A
Retailer 6
-
£621 GBP
$834 USD
View
B+
Retailer 7
-
£1,023 GBP
A$2,112 AUD
View
B
Retailer 8
-
£1,161 GBP
SGD 2,106 SGD
View
B
Retailer 9
-
£1,297 GBP
$1,740 USD
View
Most Expensive
B
MOH London
LG851664816 · Nov 1
£1,426 GBP
View
9 more retailers have this diamond
Prices start from £294 GBPSave up to £1,132 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
2.21ct Marquise
£294 GBP