Round|Lab Grown|GIA

6.00ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 1529227615

Certificate GIA 1529227615

Diamond specifications and retailer prices

From £21,293 GBP

$28,530 USD

As of November 1, 2026

Save £21,985 GBP (51%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £43,278 GBP at Brilliance · As of November 1, 2026

View at Brilliance

About this 6ct lab-grown round diamond

This 6ct 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 1529227615. Listed at 15 retailers as of November 1, 2026, with prices from £21,293 to £43,278, a £21,985 spread on the same certified stone. Brilliance lists it at £43,278. 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

6.00

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle41°

OriginLab Grown

Grading LabGIA

CertificateGIA 1529227615

Dimensions11.58 × 11.52 × 7.23 mm

L/W Ratio1.01

Star length50%

Lower girdle80%

Girdle conditionFaceted

Cert comments

This is a man-made diamond.

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1529227615

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: Nov 1

Current: £43,278 GBP|Low: £12,865 GBP|High: £129,488 GBP|Avg: £42,931 GBP|-8.0%

Brilliance

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

November 1, 2026

Retailer 2£21,293 GBP

Retailer 13£26,301 GBP

Retailer 3£26,604 GBP

Retailer 9£26,604 GBP

Retailer 11£26,816 GBP

Retailer 12£30,404 GBP

Retailer 6£30,446 GBP

Retailer 14£33,988 GBP

Retailer 15£35,018 GBP

Retailer 4£42,735 GBP

Brilliance£43,278 GBP

Retailer 7£51,497 GBP

Retailer 8£58,720 GBP

Retailer 5£77,032 GBP

Retailer 10£119,181 GBP

32 data points across 15 retailers

15 retailers£21,293 GBP to £43,278 GBP

Cheapest Retailer

£21,293 GBP

$28,530 USD

B+

Retailer 2

£26,301 GBP

$35,241 USD

View

B+

Retailer 3

£26,604 GBP

$35,646 USD

View

Retailer 4

£26,604 GBP

$35,646 USD

View

B+

Retailer 5

£26,816 GBP

$35,931 USD

View

B+

Retailer 6

£30,404 GBP

$40,738 USD

View

B+

Retailer 7

£30,446 GBP

$40,794 USD

View

B+

Retailer 8

£33,988 GBP

$45,540 USD

View

Retailer 9

£35,018 GBP

$46,920 USD

View

Final sale: no returns

Retailer 10

£42,735 GBP

View

Most Expensive

Brilliance

D45235256 · Nov 1

£43,278 GBP

$57,988 USD

View

10 more retailers have this diamond

Prices start from £21,293 GBPSave up to £21,985 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+

6.00ct Round

£21,293 GBP