Heart|Lab Grown|IGI

6.51ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG835612605

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835612605

Diamond specifications and retailer prices

From £819 GBP

$1,099 USD

As of November 2, 2026

Save £4,546 GBP (85%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £5,365 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 6.51ct lab-grown heart diamond

This 6.51ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835612605 or 835612605. Listed at 23 retailers as of October 31, 2026, with prices from £819 to £5,365, a £4,546 spread on the same certified stone. Brilliant Earth lists it at £5,365. 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

6.51

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.5°

Pavilion angle38.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG835612605

Dimensions11.82 × 12.70 × 7.37 mm

L/W Ratio1.07

Girdle conditionFaceted

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG835612605

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: £983 GBP|Low: £819 GBP|High: £3,916 GBP|Avg: £1,747 GBP|-2.9%

Retailer 1

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November 2, 2026

Retailer 9£819 GBP

Retailer 6£891 GBP

Retailer 21£950 GBP

Retailer 15£967 GBP

Retailer 1£983 GBP

Retailer 8£1,081 GBP

Retailer 10£1,097 GBP

Retailer 2£1,244 GBP

Retailer 5£1,360 GBP

Retailer 12£1,377 GBP

Retailer 17£1,513 GBP

Retailer 20£1,706 GBP

Retailer 19£1,760 GBP

Retailer 4£1,781 GBP

Retailer 22£1,838 GBP

Retailer 7£2,294 GBP

Retailer 3£2,751 GBP

Retailer 11£3,186 GBP

Retailer 16£3,222 GBP

Retailer 14£3,321 GBP

Retailer 13£3,436 GBP

Retailer 18£3,916 GBP

25 data points across 22 retailers

23 retailers£819 GBP to £5,365 GBP

Cheapest Retailer

£819 GBP

$1,099 USD

Retailer 2

£891 GBP

$1,196 USD

View

Retailer 3

£950 GBP

$1,275 USD

View

Retailer 4

£967 GBP

$1,298 USD

View

Price last confirmed 16 days ago

Retailer 5

£983 GBP

View

Retailer 6

£1,081 GBP

$1,450 USD

View

Retailer 7

£1,097 GBP

HK$11,500 HKD

View

Retailer 8

£1,244 GBP

$1,670 USD

View

B+

Retailer 9

£1,360 GBP

$1,825 USD

View

Retailer 10

£1,377 GBP

View

Retailer 11

£1,513 GBP

€1,934 EUR

View

Retailer 12

£1,706 GBP

$2,289 USD

View

B+

Retailer 13

£1,760 GBP

A$3,634 AUD

View

Retailer 14

£1,781 GBP

$2,390 USD

View

B+

Retailer 15

£1,838 GBP

ZAR 39,851 ZAR

View

B+

Retailer 16

£2,294 GBP

$3,078 USD

View

B+

Retailer 17

£2,751 GBP

$3,692 USD

View

B+

Retailer 18

£3,186 GBP

SGD 5,777 SGD

View

Retailer 19

£3,222 GBP

View

B+

Retailer 20

£3,321 GBP

$4,457 USD

View

Retailer 21

£3,436 GBP

$4,611 USD

View

Retailer 22

£3,916 GBP

A$8,085 AUD

View

Most Expensive

Brilliant Earth

21291996A · Oct 31

£5,365 GBP

$7,200 USD

View

22 more retailers have this diamond

Prices start from £819 GBPSave up to £4,546 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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