Cushion|Lab Grown|IGI

1.25ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG843638890

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843638890

Diamond specifications and retailer prices

From £238 GBP
As of November 2, 2026
Save £1,156 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,394 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 very-good cut grade and certified by IGI LG843638890 or 843638890. Listed at 13 retailers as of November 2, 2026, with prices from £238 to £1,394, a £1,156 spread on the same certified stone. Do Amore Diamonds lists it at £1,394. 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 angle35.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843638890
Dimensions7.73 × 5.56 × 3.77 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.73 mm5.56 mm1.25 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843638890
Side View
Table 60.0%Crown 35.1°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 67.8%

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: £1,394 GBP|Low: £238 GBP|High: £1,401 GBP|Avg: £525 GBP|+24.7%
Do Amore Diamonds
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 6£238 GBP
Retailer 11£243 GBP
Retailer 5£268 GBP
Retailer 8£343 GBP
Retailer 7£365 GBP
Retailer 10£420 GBP
Retailer 2£485 GBP
Retailer 3£496 GBP
Retailer 4£527 GBP
Retailer 12£766 GBP
Retailer 9£796 GBP
Retailer 13£909 GBP
Do Amore Diamonds£1,394 GBP

17 data points across 13 retailers

13 retailers£238 GBP to £1,394 GBP

A
Cheapest Retailer
-
£238 GBP
B+
Retailer 2
-
£243 GBP
$326 USD
View
A
Retailer 3
-
£268 GBP
$360 USD
View
A
Retailer 4
-
£343 GBP
ZAR 7,430 ZAR
View
B+
Retailer 5
-
£365 GBP
View
B+
Retailer 6
-
£420 GBP
$563 USD
View
B+
Retailer 7
-
£485 GBP
A$1,002 AUD
View
B
Retailer 8
-
£496 GBP
$665 USD
View
B+
Retailer 9
-
£527 GBP
A$1,089 AUD
View
B
Retailer 10
-
£766 GBP
$1,029 USD
View
B
Retailer 11
-
£796 GBP
View
B
Retailer 12
-
£909 GBP
$1,220 USD
View
Most Expensive
C
Do Amore Diamonds
27-8742D81DF · Nov 2
£1,394 GBP
$1,870 USD
View
12 more retailers have this diamond
Prices start from £238 GBPSave up to £1,156 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
£238 GBP