CaratHunter
Plans
Cushion|Lab Grown|IGI

1.24ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG849658513

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG849658513

Diamond specifications and retailer prices

From £238 GBP
As of November 4, 2026
Save £691 GBP (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,137 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.24ct lab-grown cushion diamond

This 1.24ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG849658513 or 849658513. Listed at 7 retailers as of November 2, 2026, with a 291% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849658513
Dimensions7.67 × 5.40 × 3.53 mm
L/W Ratio1.42
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
7.67 mm5.40 mm1.24 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849658513
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 31.1°CuletDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
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 4
Current: £1,137 GBP|Low: £238 GBP|High: £2,384 GBP|Avg: £661 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 2£238 GBP
Retailer 7£352 GBP
Retailer 6£388 GBP
Retailer 3£568 GBP
Retailer 4£606 GBP
Retailer 5£929 GBP
Rare Carat£1,137 GBP

13 data points across 7 retailers

7 retailers£238 GBP to £929 GBP

A
Cheapest Retailer
-
£238 GBP
A
Retailer 2
-
£352 GBP
View
A
Retailer 3
-
£388 GBP
View
A
Retailer 4
-
£568 GBP
View
A
Retailer 5
-
£606 GBP
View
B+
Retailer 6
-
£929 GBP
View
Most Expensive
Rare Carat
ME-770-186-B · Oct 28
£1,137 GBP
$1,535 USD
View
Price last confirmed 7 days ago
6 more retailers have this diamond
Prices start from £238 GBPSave up to £691 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
1.24ct Cushion
£238 GBP