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Marquise|Lab Grown|IGI

1.22ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG795667860

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795667860

Diamond specifications and retailer prices

From £465 GBP
As of November 6, 2026
4 retailers carry this diamond
Most expensive: £960 GBP at Michael Trio · As of October 14, 2026
View at Michael Trio

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG795667860 or 795667860. Listed at 4 retailers as of November 6, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795667860
Dimensions11.64 × 5.62 × 3.30 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.64 mm5.62 mm1.22 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795667860
Side View
Table 59.0%Crown 32.3°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 58.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £960 GBP|Low: £240 GBP|High: £960 GBP|Avg: £526 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 19, 2026
Retailer 11£240 GBP
Retailer 4£248 GBP
Retailer 9£275 GBP
Retailer 10£338 GBP
Retailer 12£365 GBP
Retailer 2£465 GBP
Retailer 6£504 GBP
Retailer 7£566 GBP
Retailer 13£639 GBP
Retailer 5£671 GBP
Retailer 8£740 GBP
Retailer 3£803 GBP
Michael Trio£960 GBP

10 data points across 13 retailers

4 retailers

B+
Cheapest Retailer
-
£465 GBP
Retailer 2
-
£504 GBP
View
Price last confirmed 24 days ago
Retailer 3
-
£566 GBP
View
Price last confirmed 38 days ago
Most Expensive
Michael Trio
6625015270 · Oct 14
£960 GBP
SGD 1,737 SGD
View
Price last confirmed 23 days ago
3 more retailers have this diamond
Prices start from £465 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.

B+
1.22ct Marquise
£465 GBP