Radiant|Lab Grown|IGI

1.58ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG743593869

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

Certificate IGI LG743593869

Diamond specifications and retailer prices

From £226 GBP

As of November 2, 2026

Save £1,981 GBP (90%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: £2,207 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743593869 or 743593869. Listed at 31 retailers as of October 30, 2026, with prices from £226 to £2,207, a £1,981 spread on the same certified stone. Brilliant Earth lists it at £2,207. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.2°

Pavilion angle31.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG743593869

Dimensions5.72 × 5.72 × 3.66 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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG743593869

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: Nov 2

Current: £2,207 GBP|Low: £226 GBP|High: £2,543 GBP|Avg: £897 GBP|-13.2%

Brilliant Earth

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November 4, 2026

Retailer 10£226 GBP

Retailer 14£271 GBP

Retailer 18£312 GBP

Retailer 2£395 GBP

Retailer 5£410 GBP

Retailer 11£434 GBP

Retailer 15£475 GBP

Retailer 13£481 GBP

Retailer 23£532 GBP

Retailer 21£547 GBP

Retailer 12£639 GBP

Retailer 19£668 GBP

Retailer 4£720 GBP

Retailer 7£860 GBP

Retailer 17£1,032 GBP

Retailer 20£1,073 GBP

Retailer 9£1,130 GBP

Retailer 16£1,183 GBP

Retailer 22£1,237 GBP

Retailer 3£1,268 GBP

Retailer 6£1,834 GBP

Retailer 8£2,006 GBP

Brilliant Earth£2,207 GBP

36 data points across 23 retailers

31 retailers£226 GBP to £2,207 GBP

Cheapest Retailer

£226 GBP

Retailer 2

£226 GBP

View

Price last confirmed 27 days ago

Retailer 3

£240 GBP

View

Price last confirmed 35 days ago

Retailer 4

£271 GBP

View

Final sale: no returns

Retailer 5

£278 GBP

View

Price last confirmed 38 days ago

Retailer 6

£280 GBP

View

Price last confirmed 32 days ago

Retailer 7

£294 GBP

View

Price last confirmed 36 days ago

Retailer 8

£312 GBP

View

Retailer 9

£395 GBP

View

Retailer 10

£410 GBP

View

Retailer 11

£434 GBP

View

Retailer 12

£475 GBP

View

Retailer 13

£481 GBP

View

Retailer 14

£532 GBP

View

Retailer 15

£547 GBP

View

Retailer 16

£639 GBP

View

Retailer 17

£668 GBP

View

Retailer 18

£720 GBP

View

B+

Retailer 19

£860 GBP

View

Retailer 20

£993 GBP

View

Price last confirmed 25 days ago

B+

Retailer 21

£993 GBP

View

B+

Retailer 22

£1,032 GBP

View

Retailer 23

£1,056 GBP

View

Price last confirmed 35 days ago

B+

Retailer 24

£1,073 GBP

View

B+

Retailer 25

£1,130 GBP

View

B+

Retailer 26

£1,183 GBP

View

B+

Retailer 27

£1,237 GBP

View

B+

Retailer 28

£1,268 GBP

View

Retailer 29

£1,834 GBP

View

Retailer 30

£2,006 GBP

View

Most Expensive

Brilliant Earth

17456705Y · Oct 30

£2,207 GBP

$2,960 USD

View

30 more retailers have this diamond

Prices start from £226 GBPSave up to £1,981 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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