Heart|Lab Grown|IGI

12.03ct G VVS2 Heart Lab Grown Diamond

ID • G/VVS2 • IGI LG791639502

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791639502

Diamond specifications and retailer prices

From £2,815 GBP

As of November 1, 2026

Save £13,694 GBP (83%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £16,509 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 12.03ct lab-grown heart diamond

This 12.03ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG791639502 or 791639502. Listed at 22 retailers as of October 31, 2026, with prices from £2,815 to £16,509, a £13,694 spread on the same certified stone. Brilliant Earth lists it at £16,509. 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

12.03

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.9°

Pavilion angle37.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG791639502

Dimensions14.80 × 15.38 × 8.79 mm

L/W Ratio1.04

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 LG791639502

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: £16,509 GBP|Low: £2,814 GBP|High: £16,509 GBP|Avg: £5,584 GBP

Brilliant Earth

Retailer 2

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Retailer 19

November 2, 2026

Retailer 13£2,815 GBP

Retailer 7£3,022 GBP

Retailer 3£3,167 GBP

Retailer 8£3,383 GBP

Retailer 4£3,505 GBP

Retailer 6£3,505 GBP

Retailer 15£3,508 GBP

Retailer 11£4,136 GBP

Retailer 19£4,208 GBP

Retailer 9£4,380 GBP

Retailer 2£4,605 GBP

Retailer 17£5,088 GBP

Retailer 16£5,425 GBP

Retailer 14£5,670 GBP

Retailer 18£6,592 GBP

Retailer 12£6,598 GBP

Retailer 10£7,828 GBP

Retailer 5£9,735 GBP

Brilliant Earth£16,509 GBP

36 data points across 19 retailers

22 retailers£2,815 GBP to £16,509 GBP

Cheapest Retailer

£2,815 GBP

Retailer 2

£3,022 GBP

$4,049 USD

View

Retailer 3

£3,167 GBP

$4,243 USD

View

Retailer 4

£3,383 GBP

$4,533 USD

View

Final sale: no returns

B+

Retailer 5

£3,505 GBP

$4,696 USD

View

Retailer 6

£3,505 GBP

$4,696 USD

View

Price last confirmed 20 days ago

Retailer 7

£3,508 GBP

$4,700 USD

View

B+

Retailer 8

£3,564 GBP

$4,775 USD

View

B+

Retailer 9

£4,136 GBP

HK$43,300 HKD

View

B+

Retailer 10

£4,208 GBP

$5,638 USD

View

B+

Retailer 11

£4,380 GBP

$5,869 USD

View

B+

Retailer 12

£4,605 GBP

View

B+

Retailer 13

£5,088 GBP

$6,818 USD

View

B+

Retailer 14

£5,425 GBP

ZAR 117,432 ZAR

View

B+

Retailer 15

£5,670 GBP

€7,235 EUR

View

Retailer 16

£6,592 GBP

$8,833 USD

View

Retailer 17

£6,598 GBP

A$13,600 AUD

View

Retailer 18

£7,828 GBP

$10,488 USD

View

Retailer 19

£9,735 GBP

$13,044 USD

View

Retailer 20

£11,985 GBP

SGD 21,701 SGD

View

Retailer 21

£12,445 GBP

$16,675 USD

View

Most Expensive

Brilliant Earth

20043300A · Oct 31

£16,509 GBP

$22,120 USD

View

21 more retailers have this diamond

Prices start from £2,815 GBPSave up to £13,694 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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