Heart|Lab Grown|IGI

12.27ct G VS2 Heart Lab Grown Diamond

ID • G/VS2 • IGI LG627422836

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG627422836

Diamond specifications and retailer prices

From £3,172 GBP

As of November 1, 2026

Save £10,944 GBP (78%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £14,116 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 12.27ct lab-grown heart diamond

This 12.27ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627422836 or 627422836. Listed at 17 retailers as of October 31, 2026, with prices from £3,172 to £14,116, a £10,944 spread on the same certified stone. Taylor and Hart lists it at £14,116. 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

12.27

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle31.9°

Pavilion angle37.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG627422836

Dimensions14.99 × 16.65 × 8.81 mm

L/W Ratio1.11

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 LG627422836

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: £3,172 GBP|Low: £3,171 GBP|High: £10,977 GBP|Avg: £5,156 GBP|-1.2%

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

Retailer 16

November 1, 2026

Retailer 1£3,172 GBP

Retailer 2£3,405 GBP

Retailer 14£3,568 GBP

Retailer 5£3,813 GBP

Retailer 7£3,950 GBP

Retailer 11£3,950 GBP

Retailer 15£3,952 GBP

Retailer 8£4,012 GBP

Retailer 3£4,685 GBP

Retailer 12£4,935 GBP

Retailer 10£5,087 GBP

Retailer 4£6,109 GBP

Retailer 9£6,425 GBP

Retailer 13£7,022 GBP

Retailer 16£7,401 GBP

Retailer 6£10,977 GBP

36 data points across 16 retailers

17 retailers£3,172 GBP to £14,116 GBP

Cheapest Retailer

£3,172 GBP

Retailer 2

£3,405 GBP

$4,562 USD

View

Retailer 3

£3,568 GBP

$4,781 USD

View

Retailer 4

£3,813 GBP

$5,109 USD

View

Final sale: no returns

Retailer 5

£3,950 GBP

$5,292 USD

View

Retailer 6

£3,950 GBP

$5,292 USD

View

Price last confirmed 19 days ago

Retailer 7

£3,952 GBP

$5,295 USD

View

Retailer 8

£4,012 GBP

$5,376 USD

View

B+

Retailer 9

£4,685 GBP

$6,277 USD

View

B+

Retailer 10

£4,935 GBP

$6,613 USD

View

B+

Retailer 11

£5,087 GBP

View

Retailer 12

£6,109 GBP

$8,186 USD

View

B+

Retailer 13

£6,425 GBP

€8,199 EUR

View

B+

Retailer 14

£7,022 GBP

$9,409 USD

View

B+

Retailer 15

£7,401 GBP

$9,917 USD

View

Retailer 16

£10,977 GBP

$14,708 USD

View

Most Expensive

Taylor and Hart

W9WHQIR · Oct 31

£14,116 GBP

$18,915 USD

View

16 more retailers have this diamond

Prices start from £3,172 GBPSave up to £10,944 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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12.27ct Heart

£3,172 GBP