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Cushion|Lab Grown|IGI

5.22ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG799648083

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG799648083

Diamond specifications and retailer prices

From £5,543 GBP
$7,427 USD
As of October 30, 2026
Save £31,586 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £37,129 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.22ct lab-grown cushion diamond

This 5.22ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799648083 or 799648083. Listed at 20 retailers as of October 30, 2026, with prices from £5,543 to £37,129, a £31,586 spread on the same certified stone. With Clarity lists it at £37,129. 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

5.22
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648083
Dimensions10.17 × 9.71 × 6.42 mm
L/W Ratio1.05
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
10.17 mm9.71 mm5.22 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648083
Side View
Table 61.0%Crown 34.1°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 66.1%

Caratlytics Score

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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: Oct 30
Current: £12,027 GBP|Low: £5,543 GBP|High: £38,817 GBP|Avg: £13,488 GBP|-18.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
With Clarity
October 31, 2026
Retailer 3£5,543 GBP
Retailer 10£5,992 GBP
Retailer 2£6,172 GBP
Retailer 8£6,206 GBP
Retailer 6£7,189 GBP
Retailer 11£7,637 GBP
Retailer 4£7,870 GBP
Retailer 16£8,004 GBP
Retailer 5£8,883 GBP
Retailer 15£11,512 GBP
Retailer 1£12,027 GBP
Retailer 14£12,250 GBP
Retailer 12£12,262 GBP
Retailer 13£12,608 GBP
Retailer 9£21,029 GBP
Retailer 7£24,916 GBP
Retailer 17£25,425 GBP
With Clarity£37,129 GBP

30 data points across 18 retailers

20 retailers£5,543 GBP to £37,129 GBP

A
Cheapest Retailer
-
£5,543 GBP
$7,427 USD
A
Retailer 2
-
£5,992 GBP
$8,028 USD
View
Final sale: no returns
A
Retailer 3
-
£6,172 GBP
$8,270 USD
View
Retailer 4
-
£6,206 GBP
$8,315 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£7,189 GBP
$9,633 USD
View
A
Retailer 6
-
£7,637 GBP
View
A
Retailer 7
-
£7,870 GBP
$10,545 USD
View
Retailer 8
-
£8,004 GBP
$10,725 USD
View
Price last confirmed 12 days ago
A
Retailer 9
-
£8,883 GBP
View
A
Retailer 10
-
£11,335 GBP
$15,188 USD
View
B+
Retailer 11
-
£11,512 GBP
$15,425 USD
View
B+
Retailer 12
-
£12,027 GBP
€15,347 EUR
View
A
Retailer 13
-
£12,250 GBP
View
B+
Retailer 14
-
£12,262 GBP
$16,430 USD
View
B+
Retailer 15
-
£12,608 GBP
ZAR 272,920 ZAR
View
B+
Retailer 16
-
£21,029 GBP
$28,176 USD
View
Retailer 17
-
£22,173 GBP
$29,710 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
£24,916 GBP
$33,385 USD
View
B+
Retailer 19
-
£25,425 GBP
SGD 46,036 SGD
View
Most Expensive
B
With Clarity
799648083 · Oct 31
£37,129 GBP
$49,749 USD
View
19 more retailers have this diamond
Prices start from £5,543 GBPSave up to £31,586 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
5.22ct Cushion
£5,543 GBP