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Marquise|Lab Grown|IGI

1.20ct F VVS2 Marquise Lab Grown Diamond

EX • F/VVS2 • IGI LG811659731

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811659731

Diamond specifications and retailer prices

From £141 GBP
As of November 4, 2026
Save £1,211 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,352 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811659731 or 811659731. Listed at 17 retailers as of November 4, 2026, with prices from £141 to £1,352, a £1,211 spread on the same certified stone. Do Amore Diamonds lists it at £1,352. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811659731
Dimensions11.14 × 5.63 × 3.35 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
11.14 mm5.63 mm1.20 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811659731
Side View
Table 61.0%Crown 33.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.5%

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: Nov 4
Current: £1,352 GBP|Low: £135 GBP|High: £1,352 GBP|Avg: £509 GBP
Do Amore Diamonds
Retailer 2
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Retailer 18
November 5, 2026
Retailer 17£141 GBP
Retailer 5£163 GBP
Retailer 2£212 GBP
Retailer 8£266 GBP
Retailer 6£273 GBP
Retailer 7£287 GBP
Retailer 4£307 GBP
Retailer 16£400 GBP
Retailer 12£471 GBP
Retailer 13£516 GBP
Retailer 15£563 GBP
Retailer 14£574 GBP
Retailer 18£602 GBP
Retailer 3£620 GBP
Retailer 10£638 GBP
Retailer 11£770 GBP
Retailer 9£773 GBP
Do Amore Diamonds£1,352 GBP

34 data points across 18 retailers

17 retailers£141 GBP to £1,352 GBP

A
Cheapest Retailer
-
£141 GBP
A
Retailer 2
-
£163 GBP
View
A
Retailer 3
-
£212 GBP
View
A
Retailer 4
-
£266 GBP
View
A
Retailer 5
-
£273 GBP
View
A
Retailer 6
-
£307 GBP
View
A
Retailer 7
-
£400 GBP
View
B+
Retailer 8
-
£471 GBP
View
B+
Retailer 9
-
£502 GBP
View
B+
Retailer 10
-
£516 GBP
View
B+
Retailer 11
-
£563 GBP
View
Retailer 12
-
£574 GBP
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£602 GBP
View
B
Retailer 14
-
£620 GBP
View
B
Retailer 15
-
£770 GBP
View
B
Retailer 16
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£773 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6A8AED75A · Nov 4
£1,352 GBP
$1,820 USD
View
16 more retailers have this diamond
Prices start from £141 GBPSave up to £1,211 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
1.20ct Marquise
£141 GBP