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Cushion|Lab Grown|IGI

1.25ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG575379919

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG575379919

Diamond specifications and retailer prices

From £221 GBP
As of November 2, 2026
Save £1,077 GBP (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,299 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 top-tier cut grade and certified by IGI LG575379919 or 575379919. Listed at 6 retailers as of November 2, 2026, with prices from £221 to £1,299, a £1,077 spread on the same certified stone. Do Amore Diamonds lists it at £1,299. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575379919
Dimensions7.42 × 5.91 × 3.89 mm
L/W Ratio1.26
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.42 mm5.91 mm1.25 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575379919
Side View
Table 62.0%Crown 34.3°Girdle: THN-STKPavilion 39°CuletDepth 65.8%

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: £1,299 GBP|Low: £221 GBP|High: £1,343 GBP|Avg: £641 GBP|-3.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2£221 GBP
Retailer 5£296 GBP
Retailer 4£452 GBP
Retailer 3£864 GBP
Do Amore Diamonds£1,299 GBP

33 data points across 5 retailers

6 retailers£221 GBP to £1,299 GBP

A
Cheapest Retailer
-
£221 GBP
A
Retailer 2
-
£296 GBP
$397 USD
View
B+
Retailer 3
-
£362 GBP
$485 USD
View
B+
Retailer 4
-
£452 GBP
A$931 AUD
View
B
Retailer 5
-
£864 GBP
View
Most Expensive
B
Do Amore Diamonds
27-74613538F · Nov 2
£1,299 GBP
$1,740 USD
View
5 more retailers have this diamond
Prices start from £221 GBPSave up to £1,077 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
£221 GBP