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Cushion|Lab Grown|GIA

5.31ct D FL Cushion Lab Grown Diamond

EX • D/FL • GIA 7521238643

Certificate GIA 7521238643

Diamond specifications and retailer prices

From £20,576 GBP
$27,570 USD
As of November 1, 2026
Save £18,113 GBP (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £38,690 GBP at Brilliance · As of November 1, 2026
View at Brilliance

About this 5.31ct lab-grown cushion diamond

This 5.31ct 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 stated by the retailer rather than the lab and certified by GIA 7521238643. Listed at 10 retailers as of November 1, 2026, with prices from £20,576 to £38,690, a £18,113 spread on the same certified stone. Brilliance lists it at £38,690. 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

5.31
Carat
D
Colour
FL
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7521238643
Dimensions11.71 × 9.31 × 6.22 mm
L/W Ratio1.26
Culet sizeNone
Top View
11.71 mm9.31 mm5.31 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521238643
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £38,690 GBP|Low: £18,519 GBP|High: £223,038 GBP|Avg: £55,547 GBP|-8.5%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7£20,576 GBP
Retailer 3£23,940 GBP
Retailer 8£25,042 GBP
Retailer 10£27,449 GBP
Retailer 11£31,098 GBP
Retailer 6£33,090 GBP
Retailer 2£38,598 GBP
Brilliance£38,690 GBP
Retailer 5£52,815 GBP
Retailer 12£65,069 GBP
Retailer 9£86,838 GBP
Retailer 4£223,038 GBP

24 data points across 12 retailers

10 retailers£20,576 GBP to £38,690 GBP

B+
Cheapest Retailer
-
£20,576 GBP
$27,570 USD
B+
Retailer 2
-
£25,042 GBP
$33,553 USD
View
B
Retailer 3
-
£27,449 GBP
$36,778 USD
View
B
Retailer 4
-
£31,098 GBP
$41,668 USD
View
Retailer 5
-
£33,090 GBP
View
Price last confirmed 9 days ago
B
Retailer 6
-
£38,598 GBP
View
Most Expensive
B
Brilliance
D42113076 · Nov 1
£38,690 GBP
$51,840 USD
View
6 more retailers have this diamond
Prices start from £20,576 GBPSave up to £18,113 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.

B+
5.31ct Cushion
£20,576 GBP