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Cushion|Lab Grown|IGI

5.22ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811634639

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811634639

Diamond specifications and retailer prices

From £4,790 GBP
$6,418 USD
As of October 30, 2026
Save £26,713 GBP (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £31,503 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG811634639 or 811634639. Listed at 9 retailers as of October 30, 2026, with prices from £4,790 to £31,503, a £26,713 spread on the same certified stone. Do Amore Diamonds lists it at £31,503. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634639
Dimensions11.82 × 9.14 × 5.98 mm
L/W Ratio1.29
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
11.82 mm9.14 mm5.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634639
Side View
Table 59.0%Crown 34°Girdle: THK-VTKPavilion 34.5°Culet: NoneDepth 65.4%

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: Oct 30
Current: £31,503 GBP|Low: £4,790 GBP|High: £36,369 GBP|Avg: £12,427 GBP|-13.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 3£4,790 GBP
Retailer 6£5,224 GBP
Retailer 5£5,945 GBP
Retailer 9£7,773 GBP
Retailer 8£8,249 GBP
Retailer 2£10,269 GBP
Retailer 7£11,784 GBP
Retailer 4£12,262 GBP
Do Amore Diamonds£31,503 GBP

29 data points across 9 retailers

9 retailers£4,790 GBP to £31,503 GBP

A
Cheapest Retailer
-
£4,790 GBP
$6,418 USD
A
Retailer 2
-
£5,224 GBP
$7,000 USD
View
A
Retailer 3
-
£5,945 GBP
$7,965 USD
View
Retailer 4
-
£7,773 GBP
$10,415 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
£8,249 GBP
$11,053 USD
View
A
Retailer 6
-
£10,269 GBP
€13,104 EUR
View
A
Retailer 7
-
£11,784 GBP
View
B+
Retailer 8
-
£12,262 GBP
$16,430 USD
View
Most Expensive
B
Do Amore Diamonds
27-7929E9180 · Oct 31
£31,503 GBP
$42,210 USD
View
8 more retailers have this diamond
Prices start from £4,790 GBPSave up to £26,713 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
£4,790 GBP