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Marquise|Lab Grown|IGI

1.25ct F VVS2 Marquise Lab Grown Diamond

EX • F/VVS2 • IGI LG621486642

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG621486642

Diamond specifications and retailer prices

From £210 GBP
As of November 4, 2026
Save £833 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,044 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG621486642 or 621486642. Listed at 20 retailers as of November 1, 2026, with prices from £210 to £1,044, a £833 spread on the same certified stone. MOH London lists it at £1,044. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621486642
Dimensions11.15 × 5.71 × 3.48 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.15 mm5.71 mm1.25 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621486642
Side View
Table 59.0%Crown 35.7°Girdle: MediumPavilion 39.4°Culet: NoneDepth 60.9%

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: £1,044 GBP|Low: £201 GBP|High: £1,057 GBP|Avg: £502 GBP
MOH London
Retailer 2
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November 5, 2026
Retailer 17£210 GBP
Retailer 5£244 GBP
Retailer 3£261 GBP
Retailer 6£261 GBP
Retailer 2£288 GBP
Retailer 9£342 GBP
Retailer 12£379 GBP
Retailer 10£391 GBP
Retailer 16£429 GBP
Retailer 7£447 GBP
Retailer 11£449 GBP
Retailer 13£477 GBP
Retailer 14£565 GBP
Retailer 18£637 GBP
Retailer 15£800 GBP
Retailer 4£837 GBP
Retailer 8£939 GBP
MOH London£1,044 GBP

42 data points across 18 retailers

20 retailers£210 GBP to £1,044 GBP

A
Cheapest Retailer
-
£210 GBP
A
Retailer 2
-
£244 GBP
View
Retailer 3
-
£257 GBP
View
Price last confirmed 42 days ago
Retailer 4
-
£261 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£261 GBP
View
A
Retailer 6
-
£288 GBP
View
Retailer 7
-
£342 GBP
View
Price last confirmed 31 days ago
A
Retailer 8
-
£379 GBP
View
A
Retailer 9
-
£391 GBP
View
B+
Retailer 10
-
£429 GBP
View
B+
Retailer 11
-
£447 GBP
View
A
Retailer 12
-
£449 GBP
View
B+
Retailer 13
-
£477 GBP
View
B+
Retailer 14
-
£565 GBP
View
Retailer 15
-
£637 GBP
View
Price last confirmed 32 days ago
B
Retailer 16
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£800 GBP
View
B
Retailer 17
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£837 GBP
View
B
Retailer 18
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£849 GBP
View
Retailer 19
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£989 GBP
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
LG621486642 · Nov 1
£1,044 GBP
View
19 more retailers have this diamond
Prices start from £210 GBPSave up to £833 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
1.25ct Marquise
£210 GBP