Radiant|Lab Grown|IGI

1.86ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG741524303

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

Certificate IGI LG741524303

Diamond specifications and retailer prices

From £261 GBP

$347 USD

As of October 30, 2026

Save £2,518 GBP (91%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: £2,778 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.86ct lab-grown radiant diamond

This 1.86ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG741524303 or 741524303. Listed at 30 retailers as of October 29, 2026, with prices from £261 to £2,778, a £2,518 spread on the same certified stone. Brilliant Earth lists it at £2,778. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.1°

Pavilion angle33.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG741524303

Dimensions9.04 × 6.07 × 4.07 mm

L/W Ratio1.49

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 LG741524303

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: £2,778 GBP|Low: £261 GBP|High: £2,778 GBP|Avg: £914 GBP

Brilliant Earth

Retailer 2

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Retailer 21

October 30, 2026

Retailer 3£261 GBP

Retailer 17£291 GBP

Retailer 18£375 GBP

Retailer 21£436 GBP

Retailer 5£457 GBP

Retailer 19£523 GBP

Retailer 9£525 GBP

Retailer 16£555 GBP

Retailer 2£580 GBP

Retailer 10£737 GBP

Retailer 15£749 GBP

Retailer 20£947 GBP

Retailer 11£1,070 GBP

Retailer 12£1,083 GBP

Retailer 6£1,123 GBP

Retailer 8£1,220 GBP

Retailer 7£1,248 GBP

Retailer 13£1,268 GBP

Retailer 4£1,375 GBP

Retailer 14£1,452 GBP

Brilliant Earth£2,778 GBP

36 data points across 21 retailers

30 retailers£261 GBP to £2,778 GBP

Cheapest Retailer

£261 GBP

$347 USD

Retailer 2

£261 GBP

$347 USD

View

Price last confirmed 21 days ago

Retailer 3

£272 GBP

$362 USD

View

Price last confirmed 30 days ago

Retailer 4

£291 GBP

$388 USD

View

Final sale: no returns

Retailer 5

£315 GBP

$419 USD

View

Price last confirmed 32 days ago

Retailer 6

£323 GBP

$430 USD

View

Price last confirmed 27 days ago

Retailer 7

£333 GBP

$443 USD

View

Price last confirmed 31 days ago

Retailer 8

£375 GBP

HK$3,900 HKD

View

Retailer 9

£436 GBP

$580 USD

View

Retailer 10

£457 GBP

$608 USD

View

Retailer 11

£523 GBP

€663 EUR

View

Retailer 12

£525 GBP

$699 USD

View

Retailer 13

£555 GBP

ZAR 11,936 ZAR

View

Retailer 14

£580 GBP

View

Retailer 15

£737 GBP

$982 USD

View

Retailer 16

£749 GBP

A$1,535 AUD

View

Retailer 17

£947 GBP

$1,261 USD

View

Retailer 18

£1,038 GBP

$1,382 USD

View

Price last confirmed 19 days ago

B+

Retailer 19

£1,038 GBP

$1,382 USD

View

B+

Retailer 20

£1,070 GBP

$1,424 USD

View

Retailer 21

£1,082 GBP

$1,441 USD

View

Price last confirmed 29 days ago

B+

Retailer 22

£1,083 GBP

SGD 1,949 SGD

View

B+

Retailer 23

£1,123 GBP

$1,496 USD

View

B+

Retailer 24

£1,220 GBP

$1,624 USD

View

B+

Retailer 25

£1,248 GBP

$1,662 USD

View

B+

Retailer 26

£1,268 GBP

View

Retailer 27

£1,375 GBP

A$2,816 AUD

View

Price last confirmed 22 days ago

B+

Retailer 28

£1,452 GBP

$1,934 USD

View

Retailer 29

£2,008 GBP

$2,674 USD

View

Price last confirmed 71 days ago

Most Expensive

Brilliant Earth

16164077A · Oct 29

£2,778 GBP

$3,700 USD

View

29 more retailers have this diamond

Prices start from £261 GBPSave up to £2,518 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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