Heart|Lab Grown|IGI

3.12ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG705519311

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG705519311

Diamond specifications and retailer prices

From £577 GBP

$773 USD

As of October 29, 2026

Save £4,006 GBP (87%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £5,150 GBP at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 3.12ct lab-grown heart diamond

This 3.12ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG705519311 or 705519311. Listed at 19 retailers as of October 29, 2026, with a 694% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.12

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle38.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG705519311

Dimensions10.29 × 10.29 × 8.70 mm

L/W Ratio1.00

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 LG705519311

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: Oct 29

Current: £5,150 GBP|Low: £419 GBP|High: £5,150 GBP|Avg: £1,550 GBP

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 30, 2026

Retailer 4£419 GBP

Retailer 12£577 GBP

Retailer 11£737 GBP

Retailer 8£739 GBP

Retailer 3£828 GBP

Retailer 2£1,009 GBP

Retailer 6£1,362 GBP

Retailer 7£1,473 GBP

Retailer 9£1,820 GBP

Retailer 10£2,040 GBP

Retailer 5£2,488 GBP

Do Amore Diamonds£5,150 GBP

41 data points across 12 retailers

19 retailers£577 GBP to £4,582 GBP

Retailer 1

£495 GBP

$663 USD

Price last confirmed 28 days ago

Retailer 2

£561 GBP

$752 USD

View

Price last confirmed 32 days ago

Retailer 3

£577 GBP

$773 USD

View

Final sale: no returns

Retailer 4

£598 GBP

$801 USD

View

Price last confirmed 27 days ago

Retailer 5

£737 GBP

$987 USD

View

Retailer 6

£739 GBP

$990 USD

View

Retailer 7

£761 GBP

$1,020 USD

View

Retailer 8

£828 GBP

$1,110 USD

View

Retailer 9

£1,009 GBP

View

B+

Retailer 10

£1,362 GBP

A$2,808 AUD

View

B+

Retailer 11

£1,473 GBP

$1,974 USD

View

Retailer 12

£1,820 GBP

A$3,751 AUD

View

Price last confirmed 23 days ago

Retailer 13

£1,856 GBP

$2,487 USD

View

Price last confirmed 30 days ago

Retailer 14

£2,040 GBP

$2,734 USD

View

Retailer 15

£2,043 GBP

$2,738 USD

View

Retailer 16

£2,361 GBP

$3,163 USD

View

Retailer 17

£2,488 GBP

View

Retailer 18

£4,582 GBP

$6,140 USD

View

Most Expensive

Do Amore Diamonds

23-705519311 · Oct 29

£5,150 GBP

$6,900 USD

View

Price under review

18 more retailers have this diamond

Prices start from £577 GBPSave up to £4,006 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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3.12ct Heart

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