Round|Lab Grown|IGI

11.51ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG694581056

Shape and cutting style on the report: Round brilliant

Certificate IGI LG694581056

Diamond specifications and retailer prices

From £5,090 GBP

$6,820 USD

As of November 1, 2026

Save £18,375 GBP (78%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £23,465 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 11.51ct lab-grown round diamond

This 11.51ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG694581056 or 694581056. Listed at 19 retailers as of October 31, 2026, with prices from £5,090 to £23,465, a £18,375 spread on the same certified stone. Brilliant Earth lists it at £23,465. 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

11.51

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.6°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG694581056

Dimensions14.58 × 14.52 × 8.89 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG694581056

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: £23,465 GBP|Low: £4,887 GBP|High: £24,189 GBP|Avg: £8,598 GBP|-3.0%

Brilliant Earth

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 13£5,090 GBP

Retailer 4£5,294 GBP

Retailer 3£5,477 GBP

Retailer 6£5,700 GBP

Retailer 14£5,905 GBP

Retailer 10£5,907 GBP

Retailer 11£6,787 GBP

Retailer 12£6,842 GBP

Retailer 5£7,010 GBP

Retailer 8£7,392 GBP

Retailer 7£7,639 GBP

Retailer 9£9,140 GBP

Retailer 2£11,277 GBP

Retailer 15£15,080 GBP

Brilliant Earth£23,465 GBP

43 data points across 15 retailers

19 retailers£5,090 GBP to £23,465 GBP

Cheapest Retailer

£5,090 GBP

$6,820 USD

Retailer 2

£5,294 GBP

$7,093 USD

View

B+

Retailer 3

£5,477 GBP

$7,339 USD

View

B+

Retailer 4

£5,700 GBP

$7,638 USD

View

Final sale: no returns

Retailer 5

£5,905 GBP

$7,912 USD

View

Price last confirmed 20 days ago

B+

Retailer 6

£5,905 GBP

$7,912 USD

View

B+

Retailer 7

£5,907 GBP

$7,915 USD

View

B+

Retailer 8

£6,787 GBP

$9,094 USD

View

B+

Retailer 9

£6,842 GBP

$9,168 USD

View

B+

Retailer 10

£7,010 GBP

$9,392 USD

View

B+

Retailer 11

£7,136 GBP

HK$74,700 HKD

View

B+

Retailer 12

£7,392 GBP

View

B+

Retailer 13

£7,639 GBP

$10,235 USD

View

B+

Retailer 14

£9,140 GBP

ZAR 197,851 ZAR

View

Retailer 15

£11,277 GBP

A$23,247 AUD

View

Retailer 16

£15,080 GBP

$20,205 USD

View

Retailer 17

£16,435 GBP

$22,021 USD

View

Retailer 18

£20,216 GBP

$27,087 USD

View

Most Expensive

Brilliant Earth

14985430A · Oct 31

£23,465 GBP

$31,440 USD

View

18 more retailers have this diamond

Prices start from £5,090 GBPSave up to £18,375 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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11.51ct Round

£5,090 GBP