Round|Lab Grown|GIA

6.03ct E FL Round Lab Grown Diamond

EX • E/FL • GIA 2538693345

Certificate GIA 2538693345

Diamond specifications and retailer prices

From £13,709 GBP

$18,368 USD

As of November 1, 2026

Save £25,604 GBP (65%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £39,312 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 6.03ct lab-grown round diamond

This 6.03ct lab-grown round sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2538693345. Listed at 17 retailers as of October 31, 2026, with prices from £13,709 to £39,312, a £25,604 spread on the same certified stone. Taylor and Hart lists it at £39,312. 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

6.03

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle41.2°

OriginLab Grown

Grading LabGIA

CertificateGIA 2538693345

Dimensions11.62 × 11.70 × 7.22 mm

L/W Ratio1.01

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2538693345

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: £17,530 GBP|Low: £13,327 GBP|High: £41,971 GBP|Avg: £20,694 GBP|+0.7%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

November 1, 2026

Retailer 5£13,709 GBP

Retailer 13£14,196 GBP

Retailer 12£15,044 GBP

Retailer 7£15,898 GBP

Retailer 3£16,280 GBP

Retailer 2£16,467 GBP

Retailer 4£16,467 GBP

Retailer 1£17,530 GBP

Retailer 11£22,047 GBP

Retailer 10£25,414 GBP

Retailer 8£27,787 GBP

Retailer 6£30,649 GBP

Retailer 9£31,867 GBP

41 data points across 13 retailers

17 retailers£13,709 GBP to £39,312 GBP

Cheapest Retailer

£13,709 GBP

$18,368 USD

Retailer 2

£14,196 GBP

$19,021 USD

View

B+

Retailer 3

£14,309 GBP

$19,173 USD

View

B+

Retailer 4

£15,044 GBP

$20,157 USD

View

B+

Retailer 5

£15,433 GBP

$20,679 USD

View

B+

Retailer 6

£15,898 GBP

$21,302 USD

View

Final sale: no returns

B+

Retailer 7

£16,280 GBP

$21,814 USD

View

B+

Retailer 8

£16,467 GBP

$22,064 USD

View

Retailer 9

£16,467 GBP

$22,064 USD

View

Price last confirmed 15 days ago

B+

Retailer 10

£16,596 GBP

$22,237 USD

View

B+

Retailer 11

£17,530 GBP

View

B+

Retailer 12

£22,047 GBP

$29,540 USD

View

B+

Retailer 13

£25,414 GBP

View

B+

Retailer 14

£27,787 GBP

€35,458 EUR

View

B+

Retailer 15

£30,649 GBP

$41,066 USD

View

B+

Retailer 16

£31,867 GBP

ZAR 689,785 ZAR

View

Most Expensive

Taylor and Hart

DPBWQR5 · Oct 31

£39,312 GBP

$52,674 USD

View

16 more retailers have this diamond

Prices start from £13,709 GBPSave up to £25,604 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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6.03ct Round

£13,709 GBP