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Cushion|Lab Grown|IGI

1.25ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG794625419

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG794625419

Diamond specifications and retailer prices

From £346 GBP
As of November 2, 2026
Save £1,837 GBP (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,183 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794625419 or 794625419. Listed at 9 retailers as of November 2, 2026, with prices from £346 to £2,183, a £1,837 spread on the same certified stone. Do Amore Diamonds lists it at £2,183. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794625419
Dimensions7.92 × 5.36 × 3.56 mm
L/W Ratio1.48
Girdle conditionFaceted
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
7.92 mm5.36 mm1.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794625419
Side View
Table 60.0%Crown 33°Girdle: THN-MEDPavilion 33.7°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,183 GBP|Low: £290 GBP|High: £2,467 GBP|Avg: £967 GBP|-11.5%
Do Amore Diamonds
Retailer 2
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November 2, 2026
Retailer 7£290 GBP
Retailer 18£319 GBP
Retailer 2£346 GBP
Retailer 14£493 GBP
Retailer 11£499 GBP
Retailer 3£624 GBP
Retailer 8£680 GBP
Retailer 17£752 GBP
Retailer 4£821 GBP
Retailer 12£838 GBP
Retailer 10£862 GBP
Retailer 16£939 GBP
Retailer 5£1,206 GBP
Retailer 15£1,334 GBP
Retailer 6£1,340 GBP
Retailer 9£1,613 GBP
Retailer 13£1,729 GBP
Do Amore Diamonds£2,183 GBP

22 data points across 18 retailers

9 retailers£346 GBP to £2,183 GBP

A+
Cheapest Retailer
-
£346 GBP
A
Retailer 2
-
£493 GBP
$662 USD
View
A
Retailer 3
-
£499 GBP
$670 USD
View
B+
Retailer 4
-
£838 GBP
$1,125 USD
View
B+
Retailer 5
-
£939 GBP
$1,260 USD
View
Retailer 6
-
£1,206 GBP
$1,618 USD
View
Price last confirmed 54 days ago
B+
Retailer 7
-
£1,334 GBP
View
B+
Retailer 8
-
£1,729 GBP
$2,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-11ECD3D53 · Nov 2
£2,183 GBP
$2,930 USD
View
8 more retailers have this diamond
Prices start from £346 GBPSave up to £1,837 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
£346 GBP