Round|Lab Grown|IGI

1.22ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG786633814

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786633814

Diamond specifications and retailer prices

From £296 GBP

$396 USD

As of October 29, 2026

Save £1,742 GBP (85%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £2,037 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786633814 or 786633814. Listed at 22 retailers as of October 29, 2026, with prices from £296 to £2,037, a £1,742 spread on the same certified stone. Brilliant Earth lists it at £2,037. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG786633814

Dimensions6.88 × 6.91 × 4.18 mm

L/W Ratio1.00

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 LG786633814

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: £2,037 GBP|Low: £331 GBP|High: £2,037 GBP|Avg: £752 GBP

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

October 30, 2026

Retailer 4£331 GBP

Retailer 12£366 GBP

Retailer 10£478 GBP

Retailer 5£493 GBP

Retailer 3£540 GBP

Retailer 2£584 GBP

Retailer 6£600 GBP

Retailer 9£630 GBP

Retailer 8£642 GBP

Retailer 11£881 GBP

Retailer 13£1,168 GBP

Retailer 7£1,441 GBP

Brilliant Earth£2,037 GBP

41 data points across 13 retailers

22 retailers£296 GBP to £2,037 GBP

Cheapest Retailer

£296 GBP

$396 USD

Retailer 2

£331 GBP

$444 USD

View

Final sale: no returns

Retailer 3

£331 GBP

$444 USD

View

Retailer 4

£366 GBP

$491 USD

View

Retailer 5

£366 GBP

$491 USD

View

Retailer 6

£401 GBP

HK$4,200 HKD

View

B+

Retailer 7

£478 GBP

$640 USD

View

B+

Retailer 8

£493 GBP

$660 USD

View

B+

Retailer 9

£540 GBP

$723 USD

View

B+

Retailer 10

£575 GBP

$771 USD

View

B+

Retailer 11

£584 GBP

View

B+

Retailer 12

£600 GBP

View

B+

Retailer 13

£630 GBP

ZAR 13,643 ZAR

View

B+

Retailer 14

£642 GBP

€819 EUR

View

Retailer 15

£881 GBP

$1,181 USD

View

Retailer 16

£1,168 GBP

SGD 2,114 SGD

View

Retailer 17

£1,179 GBP

$1,580 USD

View

Retailer 18

£1,206 GBP

$1,616 USD

View

Retailer 19

£1,344 GBP

$1,801 USD

View

Retailer 20

£1,358 GBP

$1,820 USD

View

Retailer 21

£1,441 GBP

View

Most Expensive

Brilliant Earth

19001461A · Oct 29

£2,037 GBP

$2,730 USD

View

21 more retailers have this diamond

Prices start from £296 GBPSave up to £1,742 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.

Where to buy this spec

See every retailer carrying 1.22ct D FL round lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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