Heart|Lab Grown|IGI

10.03ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG742508562

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG742508562

Diamond specifications and retailer prices

From £1,390 GBP

As of November 1, 2026

Save £4,070 GBP (75%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £5,460 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 10.03ct lab-grown heart diamond

This 10.03ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG742508562 or 742508562. Listed at 17 retailers as of October 31, 2026, with prices from £1,390 to £5,460, a £4,070 spread on the same certified stone. Taylor and Hart lists it at £5,460. 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

10.03

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.6°

Pavilion angle36.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG742508562

Dimensions14.20 × 14.35 × 8.02 mm

L/W Ratio1.01

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG742508562

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: £1,390 GBP|Low: £1,365 GBP|High: £5,641 GBP|Avg: £2,441 GBP|-6.4%

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

Retailer 14

Retailer 15

Taylor and Hart

November 1, 2026

Retailer 7£1,388 GBP

Retailer 1£1,390 GBP

Retailer 14£1,504 GBP

Retailer 4£1,510 GBP

Retailer 5£1,610 GBP

Retailer 6£1,610 GBP

Retailer 10£1,683 GBP

Retailer 13£1,959 GBP

Retailer 9£2,209 GBP

Retailer 11£2,411 GBP

Retailer 2£2,443 GBP

Retailer 3£2,620 GBP

Retailer 8£2,886 GBP

Retailer 15£4,197 GBP

Retailer 12£4,478 GBP

Taylor and Hart£5,460 GBP

35 data points across 16 retailers

17 retailers£1,390 GBP to £5,460 GBP

Retailer 1

£1,388 GBP

$1,860 USD

Price last confirmed 24 days ago

Retailer 2

£1,390 GBP

View

Retailer 3

£1,504 GBP

$2,015 USD

View

Final sale: no returns

Retailer 4

£1,510 GBP

$2,023 USD

View

Price last confirmed 18 days ago

Retailer 5

£1,610 GBP

$2,157 USD

View

Price last confirmed 24 days ago

Retailer 6

£1,610 GBP

$2,157 USD

View

Price last confirmed 20 days ago

Retailer 7

£1,683 GBP

$2,255 USD

View

Retailer 8

£1,959 GBP

$2,625 USD

View

Retailer 9

£2,209 GBP

View

Retailer 10

£2,411 GBP

ZAR 52,194 ZAR

View

Retailer 11

£2,443 GBP

$3,273 USD

View

Retailer 12

£2,620 GBP

$3,511 USD

View

Retailer 13

£2,886 GBP

A$5,949 AUD

View

Retailer 14

£3,018 GBP

$4,044 USD

View

Price last confirmed 22 days ago

B+

Retailer 15

£4,197 GBP

$5,624 USD

View

B+

Retailer 16

£4,478 GBP

$6,000 USD

View

Most Expensive

B+

Taylor and Hart

T5M6DJG · Oct 31

£5,460 GBP

$7,316 USD

View

16 more retailers have this diamond

Prices start from £1,390 GBPSave up to £4,070 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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10.03ct Heart

£1,390 GBP