Heart|Lab Grown|IGI

6.06ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG600318667

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG600318667

Diamond specifications and retailer prices

From £14,262 GBP

$19,109 USD

As of October 31, 2026

Save £26,977 GBP (65%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: £41,239 GBP at Novita Diamonds · As of November 1, 2026

View at Novita Diamonds

About this 6.06ct lab-grown heart diamond

This 6.06ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG600318667 or 600318667. Listed at 27 retailers as of October 31, 2026, with prices from £14,262 to £41,239, a £26,977 spread on the same certified stone. Novita Diamonds lists it at £41,239. 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

6.06

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.7°

Pavilion angle38.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG600318667

Dimensions12.55 × 11.24 × 7.39 mm

L/W Ratio1.12

Girdle conditionFaceted

Culet sizePointed

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 LG600318667

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 31

Current: £41,239 GBP|Low: £14,262 GBP|High: £87,504 GBP|Avg: £37,444 GBP|-1.3%

Novita Diamonds

Retailer 2

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November 1, 2026

Retailer 19£14,262 GBP

Retailer 7£16,001 GBP

Retailer 18£16,631 GBP

Retailer 15£19,007 GBP

Retailer 17£19,063 GBP

Retailer 13£23,066 GBP

Retailer 3£23,651 GBP

Retailer 10£25,517 GBP

Retailer 12£30,571 GBP

Retailer 5£34,698 GBP

Retailer 11£39,319 GBP

Retailer 14£39,857 GBP

Retailer 2£41,208 GBP

Novita Diamonds£41,239 GBP

Retailer 9£47,951 GBP

Retailer 4£53,085 GBP

Retailer 8£59,700 GBP

Retailer 6£74,506 GBP

Retailer 16£79,613 GBP

26 data points across 19 retailers

27 retailers£14,262 GBP to £41,239 GBP

Cheapest Retailer

£14,262 GBP

$19,109 USD

Retailer 2

£16,001 GBP

$21,440 USD

View

Retailer 3

£16,631 GBP

$22,284 USD

View

Retailer 4

£16,631 GBP

$22,284 USD

View

Price last confirmed 22 days ago

Retailer 5

£16,631 GBP

$22,284 USD

View

Retailer 6

£16,631 GBP

$22,284 USD

View

Price last confirmed 24 days ago

Retailer 7

£16,631 GBP

$22,284 USD

View

Price last confirmed 21 days ago

Retailer 8

£18,280 GBP

$24,493 USD

View

Price last confirmed 32 days ago

Retailer 9

£18,280 GBP

$24,493 USD

View

Price last confirmed 31 days ago

Retailer 10

£18,426 GBP

$24,689 USD

View

Price last confirmed 33 days ago

B+

Retailer 11

£19,007 GBP

$25,467 USD

View

B+

Retailer 12

£19,063 GBP

$25,542 USD

View

Retailer 13

£19,292 GBP

$25,849 USD

View

Price last confirmed 29 days ago

Retailer 14

£19,292 GBP

$25,849 USD

View

Price last confirmed 21 days ago

Retailer 15

£20,912 GBP

$28,020 USD

View

Price last confirmed 35 days ago

B+

Retailer 16

£23,066 GBP

$30,906 USD

View

Final sale: no returns

B+

Retailer 17

£23,651 GBP

$31,690 USD

View

B+

Retailer 18

£30,571 GBP

View

Retailer 19

£34,698 GBP

$46,492 USD

View

Retailer 20

£39,857 GBP

A$82,160 AUD

View

Price last confirmed 10 days ago

Retailer 21

£41,208 GBP

ZAR 891,998 ZAR

View

Most Expensive

Novita Diamonds

cert_600318667 · Nov 1

£41,239 GBP

A$85,008 AUD

View

21 more retailers have this diamond

Prices start from £14,262 GBPSave up to £26,977 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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