Radiant|Lab Grown|IGI

1.17ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG644488403

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG644488403

Diamond specifications and retailer prices

From £210 GBP

$281 USD

As of October 30, 2026

Save £1,656 GBP (89%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £1,866 GBP at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 1.17ct lab-grown radiant diamond

This 1.17ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644488403 or 644488403. Listed at 23 retailers as of October 30, 2026, with prices from £210 to £1,866, a £1,656 spread on the same certified stone. Do Amore Diamonds lists it at £1,866. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.8°

Pavilion angle37.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG644488403

Dimensions7.54 × 5.23 × 3.45 mm

L/W Ratio1.44

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG644488403

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 30

Current: £305 GBP|Low: £202 GBP|High: £1,709 GBP|Avg: £619 GBP|-0.6%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

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Retailer 15

Retailer 16

October 30, 2026

Retailer 7£210 GBP

Retailer 12£235 GBP

Retailer 6£243 GBP

Retailer 3£260 GBP

Retailer 5£260 GBP

Retailer 1£305 GBP

Retailer 14£351 GBP

Retailer 13£494 GBP

Retailer 9£511 GBP

Retailer 11£701 GBP

Retailer 4£800 GBP

Retailer 10£800 GBP

Retailer 8£924 GBP

Retailer 2£989 GBP

Retailer 15£1,154 GBP

Retailer 16£1,657 GBP

30 data points across 16 retailers

23 retailers£210 GBP to £1,866 GBP

Cheapest Retailer

£210 GBP

$281 USD

Retailer 2

£235 GBP

$315 USD

View

Final sale: no returns

Retailer 3

£243 GBP

$326 USD

View

Retailer 4

£260 GBP

$349 USD

View

Retailer 5

£260 GBP

$349 USD

View

Retailer 6

£305 GBP

View

Retailer 7

£348 GBP

$466 USD

View

Retailer 8

£351 GBP

$470 USD

View

Retailer 9

£378 GBP

$506 USD

View

Retailer 10

£437 GBP

$586 USD

View

Retailer 11

£494 GBP

ZAR 10,691 ZAR

View

Retailer 12

£511 GBP

View

B+

Retailer 13

£701 GBP

A$1,445 AUD

View

B+

Retailer 14

£800 GBP

$1,072 USD

View

B+

Retailer 15

£800 GBP

A$1,650 AUD

View

B+

Retailer 16

£924 GBP

$1,238 USD

View

Retailer 17

£989 GBP

$1,325 USD

View

Price last confirmed 13 days ago

Retailer 18

£1,046 GBP

$1,401 USD

View

Retailer 19

£1,082 GBP

$1,450 USD

View

Retailer 20

£1,115 GBP

View

B+

Retailer 21

£1,154 GBP

View

Retailer 22

£1,657 GBP

$2,220 USD

View

Price last confirmed 9 days ago

Most Expensive

Do Amore Diamonds

27-9A8EDB788 · Oct 31

£1,866 GBP

$2,500 USD

View

22 more retailers have this diamond

Prices start from £210 GBPSave up to £1,656 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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