Heart|Lab Grown|IGI

3.47ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836612676

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836612676

Diamond specifications and retailer prices

From £990 GBP

$1,329 USD

As of November 2, 2026

Save £3,727 GBP (79%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £4,717 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 3.47ct lab-grown heart diamond

This 3.47ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836612676 or 836612676. Listed at 21 retailers as of November 2, 2026, with prices from £990 to £4,717, a £3,727 spread on the same certified stone. Brilliant Earth lists it at £4,717. 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

3.47

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle37.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836612676

Dimensions9.29 × 10.61 × 5.96 mm

L/W Ratio1.14

Girdle conditionFaceted

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG836612676

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: £4,717 GBP|Low: £990 GBP|High: £7,735 GBP|Avg: £2,556 GBP|-39.0%

Brilliant Earth

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

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

November 3, 2026

Retailer 20£990 GBP

Retailer 12£1,078 GBP

Retailer 9£1,110 GBP

Retailer 6£1,149 GBP

Retailer 14£1,156 GBP

Retailer 7£1,278 GBP

Retailer 3£1,331 GBP

Retailer 15£1,470 GBP

Retailer 2£1,620 GBP

Retailer 21£1,818 GBP

Retailer 13£1,973 GBP

Retailer 5£2,035 GBP

Retailer 8£2,154 GBP

Retailer 17£2,595 GBP

Retailer 19£2,669 GBP

Retailer 18£3,177 GBP

Retailer 16£3,692 GBP

Retailer 10£3,870 GBP

Retailer 4£4,037 GBP

Retailer 11£4,201 GBP

Brilliant Earth£4,717 GBP

31 data points across 21 retailers

21 retailers£990 GBP to £4,717 GBP

Cheapest Retailer

£990 GBP

$1,329 USD

Retailer 2

£1,078 GBP

$1,446 USD

View

Retailer 3

£1,110 GBP

$1,489 USD

View

Final sale: no returns

Retailer 4

£1,149 GBP

$1,542 USD

View

Retailer 5

£1,156 GBP

$1,551 USD

View

Price last confirmed 21 days ago

B+

Retailer 6

£1,278 GBP

$1,715 USD

View

B+

Retailer 7

£1,331 GBP

$1,786 USD

View

B+

Retailer 8

£1,470 GBP

View

B+

Retailer 9

£1,620 GBP

View

B+

Retailer 10

£1,818 GBP

$2,439 USD

View

B+

Retailer 11

£1,973 GBP

$2,647 USD

View

B+

Retailer 12

£2,035 GBP

$2,731 USD

View

B+

Retailer 13

£2,154 GBP

$2,891 USD

View

Retailer 14

£2,595 GBP

A$5,358 AUD

View

B+

Retailer 15

£2,669 GBP

ZAR 57,852 ZAR

View

Retailer 16

£3,177 GBP

$4,263 USD

View

Retailer 17

£3,692 GBP

View

Retailer 18

£3,870 GBP

SGD 7,018 SGD

View

Retailer 19

£4,037 GBP

$5,418 USD

View

Retailer 20

£4,201 GBP

$5,637 USD

View

Most Expensive

Brilliant Earth

21621268A · Nov 2

£4,717 GBP

$6,330 USD

View

20 more retailers have this diamond

Prices start from £990 GBPSave up to £3,727 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.

Similar diamonds

3.47ct Heart

£990 GBP