Radiant|Lab Grown|IGI

1.62ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818654485

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

Certificate IGI LG818654485

Diamond specifications and retailer prices

From £615 GBP

$825 USD

As of November 2, 2026

Save £3,052 GBP (83%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £3,666 GBP at Do Amore Diamonds · As of November 2, 2026

View at Do Amore Diamonds

About this 1.62ct lab-grown radiant diamond

This 1.62ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654485 or 818654485. Listed at 14 retailers as of November 2, 2026, with prices from £615 to £3,666, a £3,052 spread on the same certified stone. Do Amore Diamonds lists it at £3,666. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.62

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.2°

Pavilion angle36.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818654485

Dimensions8.21 × 5.76 × 4.02 mm

L/W Ratio1.43

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 LG818654485

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2

Current: £3,666 GBP|Low: £563 GBP|High: £3,979 GBP|Avg: £1,875 GBP

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

November 2, 2026

Retailer 9£615 GBP

Retailer 12£730 GBP

Retailer 10£789 GBP

Retailer 7£875 GBP

Retailer 2£905 GBP

Retailer 11£1,320 GBP

Retailer 3£1,782 GBP

Retailer 5£2,452 GBP

Retailer 4£2,615 GBP

Retailer 6£2,683 GBP

Retailer 8£2,880 GBP

Do Amore Diamonds£3,666 GBP

29 data points across 12 retailers

14 retailers£615 GBP to £3,666 GBP

Retailer 1

£445 GBP

$597 USD

Price last confirmed 16 days ago

Retailer 2

£499 GBP

$669 USD

View

Price last confirmed 20 days ago

Retailer 3

£615 GBP

$825 USD

View

Retailer 4

£730 GBP

$979 USD

View

Retailer 5

£788 GBP

$1,057 USD

View

Retailer 6

£789 GBP

$1,059 USD

View

B+

Retailer 7

£905 GBP

€1,157 EUR

View

B+

Retailer 8

£1,320 GBP

$1,772 USD

View

Retailer 9

£1,452 GBP

$1,948 USD

View

Price last confirmed 17 days ago

Retailer 10

£1,782 GBP

$2,392 USD

View

Price last confirmed 17 days ago

Retailer 11

£2,452 GBP

View

Retailer 12

£2,683 GBP

$3,600 USD

View

Retailer 13

£2,880 GBP

$3,865 USD

View

Most Expensive

Do Amore Diamonds

27-2E71A027F · Nov 2

£3,666 GBP

$4,920 USD

View

13 more retailers have this diamond

Prices start from £615 GBPSave up to £3,052 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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