Radiant|Lab Grown|IGI

2.91ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG622492935

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

Certificate IGI LG622492935

Diamond specifications and retailer prices

From £906 GBP

$1,214 USD

As of October 30, 2026

Save £6,983 GBP (89%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £7,889 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.91ct lab-grown radiant diamond

This 2.91ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG622492935 or 622492935. Listed at 25 retailers as of October 29, 2026, with prices from £906 to £7,889, a £6,983 spread on the same certified stone. Brilliant Earth lists it at £7,889. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.91

Carat

Colour

Clarity

Very Good

Cut

Specifications

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.3°

Pavilion angle33.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG622492935

Dimensions6.75 × 6.75 × 4.86 mm

L/W Ratio1.00

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

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG622492935

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: £7,889 GBP|Low: £906 GBP|High: £7,933 GBP|Avg: £3,074 GBP|-0.5%

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 18£906 GBP

Retailer 10£986 GBP

Retailer 12£1,014 GBP

Retailer 4£1,051 GBP

Retailer 17£1,179 GBP

Retailer 23£1,213 GBP

Retailer 20£1,231 GBP

Retailer 19£1,504 GBP

Retailer 2£1,522 GBP

Retailer 21£1,889 GBP

Retailer 5£1,970 GBP

Retailer 22£2,502 GBP

Retailer 3£2,536 GBP

Retailer 13£2,711 GBP

Retailer 14£2,736 GBP

Retailer 8£2,911 GBP

Retailer 7£3,305 GBP

Retailer 6£3,381 GBP

Retailer 9£3,520 GBP

Retailer 11£3,684 GBP

Retailer 16£3,981 GBP

Retailer 15£4,126 GBP

Brilliant Earth£7,889 GBP

30 data points across 23 retailers

25 retailers£906 GBP to £7,889 GBP

Cheapest Retailer

£906 GBP

$1,214 USD

Retailer 2

£986 GBP

$1,321 USD

View

Retailer 3

£1,014 GBP

$1,359 USD

View

Final sale: no returns

Retailer 4

£1,051 GBP

$1,408 USD

View

Retailer 5

£1,179 GBP

$1,580 USD

View

Retailer 6

£1,213 GBP

HK$12,700 HKD

View

Retailer 7

£1,231 GBP

$1,650 USD

View

Retailer 8

£1,504 GBP

$2,015 USD

View

Retailer 9

£1,522 GBP

View

Retailer 10

£1,735 GBP

$2,325 USD

View

Price last confirmed 19 days ago

Retailer 11

£1,889 GBP

$2,531 USD

View

Retailer 12

£1,970 GBP

$2,639 USD

View

B+

Retailer 13

£2,502 GBP

$3,352 USD

View

B+

Retailer 14

£2,536 GBP

View

B+

Retailer 15

£2,711 GBP

ZAR 58,690 ZAR

View

B+

Retailer 16

£2,736 GBP

€3,491 EUR

View

Price last confirmed 7 days ago

B+

Retailer 17

£2,911 GBP

$3,900 USD

View

B+

Retailer 18

£3,190 GBP

$4,274 USD

View

B+

Retailer 19

£3,305 GBP

$4,429 USD

View

B+

Retailer 20

£3,381 GBP

View

Retailer 21

£3,520 GBP

SGD 6,374 SGD

View

Retailer 22

£3,684 GBP

$4,936 USD

View

Retailer 23

£3,981 GBP

A$8,206 AUD

View

Price last confirmed 21 days ago

Retailer 24

£4,126 GBP

A$8,506 AUD

View

Price last confirmed 8 days ago

Most Expensive

Brilliant Earth

18469353A · Oct 29

£7,889 GBP

$10,570 USD

View

24 more retailers have this diamond

Prices start from £906 GBPSave up to £6,983 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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