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Round|Lab Grown|GIA

5.39ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 2537711923

Certificate GIA 2537711923

Diamond specifications and retailer prices

From £25,428 GBP
$34,071 USD
As of November 1, 2026
Save £5,562 GBP (18%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £30,991 GBP at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 5.39ct lab-grown round diamond

This 5.39ct lab-grown round 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 GIA 2537711923. Listed at 12 retailers as of October 31, 2026, with prices from £25,428 to £30,991, a £5,562 spread on the same certified stone. Friendly Diamonds lists it at £30,991. 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

5.39
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2537711923
Dimensions11.20 × 11.13 × 6.95 mm
L/W Ratio1.01
Top View
11.20 mm11.13 mm5.39 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537711923
Side View
Table 56.0%Crown 34.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 62.2%

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: £30,991 GBP|Low: £17,210 GBP|High: £128,197 GBP|Avg: £38,787 GBP|-12.0%
Friendly Diamonds
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
October 31, 2026
Retailer 4£17,210 GBP
Retailer 5£20,093 GBP
Retailer 12£25,428 GBP
Retailer 8£25,899 GBP
Retailer 11£27,117 GBP
Retailer 14£27,117 GBP
Retailer 15£27,334 GBP
Retailer 3£29,787 GBP
Retailer 10£30,186 GBP
Friendly Diamonds£30,991 GBP
Retailer 6£31,910 GBP
Retailer 9£42,369 GBP
Retailer 7£62,106 GBP
Retailer 2£62,406 GBP
Retailer 13£121,488 GBP

36 data points across 15 retailers

12 retailers£25,428 GBP to £30,991 GBP

Retailer 1
-
£17,210 GBP
$23,059 USD
Price last confirmed 111 days ago
B
Retailer 2
-
£25,428 GBP
$34,071 USD
View
B+
Retailer 3
-
£25,899 GBP
View
B
Retailer 4
-
£27,117 GBP
$36,334 USD
View
B+
Retailer 5
-
£27,117 GBP
$36,334 USD
View
B
Retailer 6
-
£27,334 GBP
$36,625 USD
View
B
Retailer 7
-
£29,787 GBP
$39,911 USD
View
B
Retailer 8
-
£30,186 GBP
$40,446 USD
View
Most Expensive
B+
Friendly Diamonds
6115927 · Oct 31
£30,991 GBP
$41,524 USD
View
8 more retailers have this diamond
Prices start from £25,428 GBPSave up to £5,562 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+
5.39ct Round
£25,428 GBP