Heart|Lab Grown|IGI

13.79ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG618403856

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG618403856

Diamond specifications and retailer prices

From £4,223 GBP

As of November 2, 2026

Save £14,086 GBP (77%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £18,309 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 13.79ct lab-grown heart diamond

This 13.79ct 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 LG618403856 or 618403856. Listed at 18 retailers as of October 31, 2026, with prices from £4,223 to £18,309, a £14,086 spread on the same certified stone. Taylor and Hart lists it at £18,309. 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

13.79

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle42.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG618403856

Dimensions16.95 × 14.61 × 9.73 mm

L/W Ratio1.16

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG618403856

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 2

Current: £12,686 GBP|Low: £4,221 GBP|High: £14,629 GBP|Avg: £6,863 GBP|+21.5%

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

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Retailer 16

Retailer 17

November 3, 2026

Retailer 12£4,223 GBP

Retailer 3£4,533 GBP

Retailer 2£4,750 GBP

Retailer 6£5,076 GBP

Retailer 9£5,122 GBP

Retailer 5£5,250 GBP

Retailer 8£5,258 GBP

Retailer 15£5,258 GBP

Retailer 11£5,927 GBP

Retailer 16£6,242 GBP

Retailer 10£6,525 GBP

Retailer 4£8,114 GBP

Retailer 14£8,139 GBP

Retailer 17£9,138 GBP

Retailer 13£10,054 GBP

Retailer 1£12,686 GBP

Retailer 7£14,629 GBP

38 data points across 17 retailers

18 retailers£4,223 GBP to £18,309 GBP

Cheapest Retailer

£4,223 GBP

Retailer 2

£4,533 GBP

$6,083 USD

View

Retailer 3

£4,750 GBP

$6,374 USD

View

B+

Retailer 4

£5,076 GBP

$6,812 USD

View

Final sale: no returns

B+

Retailer 5

£5,122 GBP

$6,874 USD

View

B+

Retailer 6

£5,250 GBP

$7,045 USD

View

B+

Retailer 7

£5,258 GBP

$7,056 USD

View

Retailer 8

£5,258 GBP

$7,056 USD

View

Price last confirmed 21 days ago

B+

Retailer 9

£5,927 GBP

$7,954 USD

View

B+

Retailer 10

£6,242 GBP

$8,376 USD

View

B+

Retailer 11

£6,525 GBP

View

Retailer 12

£8,114 GBP

$10,888 USD

View

B+

Retailer 13

£8,139 GBP

ZAR 176,441 ZAR

View

Retailer 14

£9,138 GBP

$12,263 USD

View

Retailer 15

£10,054 GBP

A$20,757 AUD

View

Retailer 16

£12,686 GBP

$17,024 USD

View

Retailer 17

£14,629 GBP

$19,631 USD

View

Most Expensive

Taylor and Hart

06Z63LM · Oct 31

£18,309 GBP

$24,569 USD

View

17 more retailers have this diamond

Prices start from £4,223 GBPSave up to £14,086 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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13.79ct Heart

£4,223 GBP