Round|Lab Grown|GIA

5.25ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 1515142415

Certificate GIA 1515142415

Diamond specifications and retailer prices

From £18,096 GBP

$24,247 USD

As of October 31, 2026

Save £16,294 GBP (47%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £34,390 GBP at MOH London · As of October 29, 2026

View at MOH London

About this 5.25ct lab-grown round diamond

This 5.25ct 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 1515142415. Listed at 17 retailers as of October 29, 2026, with prices from £18,096 to £34,390, a £16,294 spread on the same certified stone. MOH London lists it at £34,390. 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

5.25

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle40.8°

OriginLab Grown

Grading LabGIA

CertificateGIA 1515142415

Dimensions11.27 × 11.19 × 6.86 mm

L/W Ratio1.01

Star length50%

Lower girdle80%

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1515142415

Side View

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: Oct 31

Current: £34,390 GBP|Low: £18,096 GBP|High: £85,962 GBP|Avg: £32,897 GBP|-10.2%

MOH London

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

November 1, 2026

Retailer 9£18,096 GBP

Retailer 6£18,133 GBP

Retailer 14£19,189 GBP

Retailer 15£19,189 GBP

Retailer 12£19,342 GBP

Retailer 3£21,376 GBP

Retailer 17£21,929 GBP

Retailer 16£22,259 GBP

Retailer 2£24,932 GBP

Retailer 11£26,644 GBP

Retailer 13£27,450 GBP

Retailer 5£28,008 GBP

MOH London£34,390 GBP

Retailer 10£41,943 GBP

Retailer 7£53,744 GBP

Retailer 4£56,766 GBP

Retailer 8£85,962 GBP

36 data points across 17 retailers

17 retailers£18,096 GBP to £34,390 GBP

B+

Cheapest Retailer

£18,096 GBP

$24,247 USD

B+

Retailer 2

£18,133 GBP

$24,296 USD

View

B+

Retailer 3

£19,189 GBP

$25,711 USD

View

B+

Retailer 4

£19,189 GBP

$25,711 USD

View

B+

Retailer 5

£19,342 GBP

$25,916 USD

View

B+

Retailer 6

£21,376 GBP

$28,642 USD

View

B+

Retailer 7

£21,929 GBP

$29,383 USD

View

B+

Retailer 8

£22,259 GBP

$29,824 USD

View

B+

Retailer 9

£24,932 GBP

View

B+

Retailer 10

£26,644 GBP

$35,700 USD

View

Final sale: no returns

B+

Retailer 11

£27,450 GBP

$36,780 USD

View

B+

Retailer 12

£28,008 GBP

$37,527 USD

View

Most Expensive

MOH London

1515142415 · Oct 29

£34,390 GBP

View

12 more retailers have this diamond

Prices start from £18,096 GBPSave up to £16,294 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.

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B+

5.25ct Round

£18,096 GBP