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Cushion|Lab Grown|IGI

1.25ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG651441898

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG651441898

Diamond specifications and retailer prices

From £203 GBP
As of November 2, 2026
Save £592 GBP (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £795 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.25ct lab-grown cushion diamond

This 1.25ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG651441898 or 651441898. Listed at 13 retailers as of October 26, 2026, with prices from £203 to £795, a £592 spread on the same certified stone. MOH London lists it at £795. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651441898
Dimensions6.28 × 6.19 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.28 mm6.19 mm1.25 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651441898
Side View
Table 63.0%Crown 35.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 68.7%

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: £795 GBP|Low: £170 GBP|High: £804 GBP|Avg: £408 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 12£170 GBP
Retailer 2£203 GBP
Retailer 8£293 GBP
Retailer 5£300 GBP
Retailer 7£305 GBP
Retailer 9£305 GBP
Retailer 3£343 GBP
Retailer 13£411 GBP
Retailer 6£414 GBP
Retailer 11£493 GBP
Retailer 10£530 GBP
Retailer 4£587 GBP
MOH London£795 GBP

24 data points across 13 retailers

13 retailers£203 GBP to £795 GBP

Retailer 1
-
£170 GBP
$228 USD
Price last confirmed 16 days ago
A
Retailer 2
-
£203 GBP
View
A
Retailer 3
-
£293 GBP
ZAR 6,350 ZAR
View
A
Retailer 4
-
£300 GBP
$402 USD
View
A
Retailer 5
-
£305 GBP
View
A
Retailer 6
-
£305 GBP
€389 EUR
View
B+
Retailer 7
-
£343 GBP
$459 USD
View
B+
Retailer 8
-
£411 GBP
$551 USD
View
B+
Retailer 9
-
£414 GBP
A$854 AUD
View
B
Retailer 10
-
£493 GBP
$660 USD
View
B+
Retailer 11
-
£530 GBP
$710 USD
View
B
Retailer 12
-
£587 GBP
$786 USD
View
Most Expensive
B
MOH London
LG651441898 · Oct 26
£795 GBP
View
12 more retailers have this diamond
Prices start from £203 GBPSave up to £592 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 Cushion
£203 GBP