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Cushion|Lab Grown|IGI

4.24ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784645273

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784645273

Diamond specifications and retailer prices

From £3,080 GBP
$4,127 USD
As of October 29, 2026
Save £16,026 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £19,106 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.24ct lab-grown cushion diamond

This 4.24ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645273 or 784645273. Listed at 10 retailers as of October 29, 2026, with prices from £3,080 to £19,106, a £16,026 spread on the same certified stone. Do Amore Diamonds lists it at £19,106. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.24
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645273
Dimensions10.86 × 8.74 × 5.58 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
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
10.86 mm8.74 mm4.24 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645273
Side View
Table 59.0%Crown 33.8°Girdle: MED-THKPavilion 34.6°Culet: NoneDepth 63.8%

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: Oct 29
Current: £19,106 GBP|Low: £3,080 GBP|High: £24,472 GBP|Avg: £9,244 GBP|-21.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9£3,080 GBP
Retailer 6£3,336 GBP
Retailer 4£3,513 GBP
Retailer 10£4,227 GBP
Retailer 8£5,027 GBP
Retailer 5£6,141 GBP
Retailer 11£6,343 GBP
Retailer 7£7,656 GBP
Retailer 2£9,807 GBP
Do Amore Diamonds£19,106 GBP
Retailer 3£20,387 GBP

26 data points across 11 retailers

10 retailers£3,080 GBP to £19,106 GBP

A+
Cheapest Retailer
-
£3,080 GBP
$4,127 USD
A
Retailer 2
-
£3,336 GBP
$4,470 USD
View
A
Retailer 3
-
£3,513 GBP
$4,707 USD
View
A
Retailer 4
-
£4,227 GBP
$5,664 USD
View
Final sale: no returns
A
Retailer 5
-
£5,027 GBP
$6,735 USD
View
A
Retailer 6
-
£6,141 GBP
€7,836 EUR
View
Retailer 7
-
£6,343 GBP
$8,499 USD
View
Price last confirmed 81 days ago
B+
Retailer 8
-
£7,656 GBP
View
B+
Retailer 9
-
£9,807 GBP
$13,140 USD
View
Most Expensive
B
Do Amore Diamonds
27-AD22E72E5 · Oct 30
£19,106 GBP
$25,600 USD
View
9 more retailers have this diamond
Prices start from £3,080 GBPSave up to £16,026 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+
4.24ct Cushion
£3,080 GBP