Round|Lab Grown|GIA

11.78ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • GIA 3475895617

Certificate GIA 3475895617

Diamond specifications and retailer prices

From £5,959 GBP

$7,984 USD

As of October 29, 2026

Save £13,491 GBP (69%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: £19,449 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 11.78ct lab-grown round diamond

This 11.78ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 3475895617. Listed at 13 retailers as of October 29, 2026, with prices from £5,959 to £19,449, a £13,491 spread on the same certified stone. Brilliant Earth lists it at £19,449. 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

11.78

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle40.8°

OriginLab Grown

Grading LabGIA

CertificateGIA 3475895617

Dimensions14.66 × 14.58 × 9.03 mm

L/W Ratio1.01

Star length50%

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 3475895617

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 29

Current: £19,449 GBP|Low: £5,721 GBP|High: £37,182 GBP|Avg: £12,007 GBP|-2.7%

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

Retailer 16

Retailer 17

Retailer 18

November 1, 2026

Retailer 14£5,959 GBP

Retailer 16£6,197 GBP

Retailer 11£6,299 GBP

Retailer 4£6,645 GBP

Retailer 18£6,674 GBP

Retailer 13£6,859 GBP

Retailer 5£7,013 GBP

Retailer 12£7,689 GBP

Retailer 9£7,929 GBP

Retailer 15£8,001 GBP

Retailer 17£8,581 GBP

Retailer 8£10,930 GBP

Retailer 3£12,088 GBP

Retailer 2£12,268 GBP

Retailer 10£17,726 GBP

Brilliant Earth£19,449 GBP

Retailer 6£24,124 GBP

Retailer 7£37,182 GBP

16 data points across 18 retailers

13 retailers£5,959 GBP to £19,449 GBP

B+

Cheapest Retailer

£5,959 GBP

$7,984 USD

B+

Retailer 2

£6,197 GBP

$8,303 USD

View

Retailer 3

£6,299 GBP

$8,440 USD

View

Price last confirmed 14 days ago

B+

Retailer 4

£6,674 GBP

$8,942 USD

View

Final sale: no returns

B+

Retailer 5

£6,859 GBP

$9,190 USD

View

B+

Retailer 6

£7,013 GBP

$9,397 USD

View

B+

Retailer 7

£7,689 GBP

$10,302 USD

View

B+

Retailer 8

£7,929 GBP

HK$83,000 HKD

View

B+

Retailer 9

£8,001 GBP

$10,720 USD

View

Retailer 10

£8,581 GBP

$11,497 USD

View

Retailer 11

£12,268 GBP

A$25,289 AUD

View

Most Expensive

Brilliant Earth

15270189Y · Oct 31

£19,449 GBP

$26,060 USD

View

11 more retailers have this diamond

Prices start from £5,959 GBPSave up to £13,491 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+

11.78ct Round

£5,959 GBP