Round|Lab Grown|GIA

5.26ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 6511142598

Certificate GIA 6511142598

Diamond specifications and retailer prices

From £20,280 GBP

$27,173 USD

As of October 31, 2026

Save £15,496 GBP (43%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £35,776 GBP at MOH London · As of October 29, 2026

View at MOH London

About this 5.26ct lab-grown round diamond

This 5.26ct 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 6511142598. Listed at 21 retailers as of October 29, 2026, with prices from £20,280 to £35,776, a £15,496 spread on the same certified stone. MOH London lists it at £35,776. 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

5.26

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle40.8°

OriginLab Grown

Grading LabGIA

CertificateGIA 6511142598

Dimensions11.30 × 11.24 × 6.77 mm

L/W Ratio1.01

Star length50%

Lower girdle75%

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6511142598

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: £35,776 GBP|Low: £13,034 GBP|High: £96,881 GBP|Avg: £35,691 GBP|-6.8%

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

November 1, 2026

Retailer 8£13,034 GBP

Retailer 5£20,280 GBP

Retailer 16£20,395 GBP

Retailer 7£21,391 GBP

Retailer 13£24,083 GBP

Retailer 12£24,715 GBP

Retailer 6£27,451 GBP

Retailer 2£28,116 GBP

Retailer 11£28,435 GBP

Retailer 10£30,032 GBP

Retailer 15£31,418 GBP

MOH London£35,776 GBP

Retailer 9£47,275 GBP

Retailer 3£59,264 GBP

Retailer 14£63,975 GBP

Retailer 4£96,881 GBP

34 data points across 16 retailers

21 retailers£20,280 GBP to £35,776 GBP

B+

Cheapest Retailer

£20,280 GBP

$27,173 USD

B+

Retailer 2

£20,395 GBP

$27,327 USD

View

Retailer 3

£21,798 GBP

$29,207 USD

View

Price last confirmed 18 days ago

Retailer 4

£21,798 GBP

$29,207 USD

View

Price last confirmed 25 days ago

Retailer 5

£23,995 GBP

$32,151 USD

View

Price last confirmed 31 days ago

Retailer 6

£23,995 GBP

$32,151 USD

View

Price last confirmed 33 days ago

B+

Retailer 7

£24,083 GBP

$32,269 USD

View

Retailer 8

£24,187 GBP

$32,408 USD

View

Price last confirmed 38 days ago

B+

Retailer 9

£24,715 GBP

$33,115 USD

View

B+

Retailer 10

£25,086 GBP

$33,612 USD

View

Retailer 11

£25,086 GBP

$33,612 USD

View

Price last confirmed 29 days ago

Retailer 12

£27,451 GBP

$36,781 USD

View

Price last confirmed 32 days ago

B+

Retailer 13

£28,116 GBP

View

B+

Retailer 14

£28,435 GBP

$38,100 USD

View

Retailer 15

£30,032 GBP

$40,239 USD

View

Final sale: no returns

B+

Retailer 16

£31,418 GBP

$42,097 USD

View

Most Expensive

MOH London

6511142598 · Oct 29

£35,776 GBP

View

16 more retailers have this diamond

Prices start from £20,280 GBPSave up to £15,496 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.

Similar diamonds

B+

5.26ct Round

£20,280 GBP