Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818681524

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

Certificate IGI LG818681524

Diamond specifications and retailer prices

From £702 GBP

$940 USD

As of October 29, 2026

Save £3,508 GBP (83%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: £4,209 GBP at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 1.87ct lab-grown radiant diamond

This 1.87ct 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 LG818681524 or 818681524. Listed at 13 retailers as of October 29, 2026, with prices from £702 to £4,209, a £3,508 spread on the same certified stone. Do Amore Diamonds lists it at £4,209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.8°

Pavilion angle34°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818681524

Dimensions8.70 × 6.23 × 4.11 mm

L/W Ratio1.40

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 LG818681524

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: Oct 29

Current: £4,209 GBP|Low: £649 GBP|High: £4,620 GBP|Avg: £2,078 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

October 30, 2026

Retailer 7£702 GBP

Retailer 8£899 GBP

Retailer 10£948 GBP

Retailer 11£1,005 GBP

Retailer 6£1,024 GBP

Retailer 9£1,405 GBP

Retailer 3£2,061 GBP

Retailer 4£2,267 GBP

Retailer 5£2,396 GBP

Retailer 2£3,105 GBP

Retailer 12£3,426 GBP

Do Amore Diamonds£4,209 GBP

26 data points across 12 retailers

13 retailers£702 GBP to £4,209 GBP

Retailer 1

£511 GBP

$685 USD

Price last confirmed 13 days ago

Retailer 2

£556 GBP

$745 USD

View

Price last confirmed 16 days ago

Retailer 3

£702 GBP

$940 USD

View

Retailer 4

£899 GBP

$1,204 USD

View

Retailer 5

£922 GBP

$1,235 USD

View

Retailer 6

£948 GBP

$1,270 USD

View

B+

Retailer 7

£1,405 GBP

$1,882 USD

View

Retailer 8

£1,667 GBP

$2,234 USD

View

Price last confirmed 13 days ago

Retailer 9

£2,061 GBP

$2,761 USD

View

Price last confirmed 14 days ago

B+

Retailer 10

£2,396 GBP

View

Retailer 11

£3,105 GBP

$4,160 USD

View

Retailer 12

£3,426 GBP

$4,590 USD

View

Price last confirmed 16 days ago

Most Expensive

Do Amore Diamonds

27-D33EB163B · Oct 29

£4,209 GBP

$5,640 USD

View

12 more retailers have this diamond

Prices start from £702 GBPSave up to £3,508 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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