Cushion|Lab Grown|IGI

1.88ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG794669266

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG794669266

Diamond specifications and retailer prices

From £598 GBP

$801 USD

As of October 31, 2026

Save £3,917 GBP (87%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £4,515 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.88ct lab-grown cushion diamond

This 1.88ct lab-grown cushion 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 LG794669266 or 794669266. Listed at 18 retailers as of October 29, 2026, with prices from £598 to £4,515, a £3,917 spread on the same certified stone. Brilliant Earth lists it at £4,515. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.6°

Pavilion angle36.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG794669266

Dimensions8.74 × 6.54 × 4.26 mm

L/W Ratio1.34

Girdle conditionFaceted

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 LG794669266

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 31

Current: £4,515 GBP|Low: £598 GBP|High: £4,515 GBP|Avg: £1,968 GBP

Brilliant Earth

Retailer 2

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October 31, 2026

Retailer 2£598 GBP

Retailer 13£810 GBP

Retailer 9£918 GBP

Retailer 17£994 GBP

Retailer 15£1,006 GBP

Retailer 10£1,022 GBP

Retailer 12£1,225 GBP

Retailer 11£1,408 GBP

Retailer 6£1,543 GBP

Retailer 7£1,688 GBP

Retailer 5£1,922 GBP

Retailer 14£2,113 GBP

Retailer 16£2,119 GBP

Retailer 4£2,136 GBP

Retailer 3£3,093 GBP

Retailer 8£3,131 GBP

Brilliant Earth£4,515 GBP

34 data points across 17 retailers

18 retailers£598 GBP to £4,515 GBP

Cheapest Retailer

£598 GBP

$801 USD

Final sale: no returns

Retailer 2

£810 GBP

$1,085 USD

View

Retailer 3

£918 GBP

$1,230 USD

View

Price last confirmed 14 days ago

Retailer 4

£994 GBP

View

Retailer 5

£1,006 GBP

$1,348 USD

View

Retailer 6

£1,022 GBP

$1,370 USD

View

Retailer 7

£1,225 GBP

$1,641 USD

View

Retailer 8

£1,408 GBP

$1,887 USD

View

B+

Retailer 9

£1,543 GBP

€1,969 EUR

View

B+

Retailer 10

£1,688 GBP

ZAR 36,537 ZAR

View

B+

Retailer 11

£1,922 GBP

View

B+

Retailer 12

£2,108 GBP

$2,824 USD

View

B+

Retailer 13

£2,113 GBP

$2,831 USD

View

B+

Retailer 14

£2,119 GBP

$2,840 USD

View

B+

Retailer 15

£2,136 GBP

$2,863 USD

View

Retailer 16

£3,093 GBP

$4,144 USD

View

Retailer 17

£3,131 GBP

View

Most Expensive

Brilliant Earth

18946834A · Oct 29

£4,515 GBP

$6,050 USD

View

17 more retailers have this diamond

Prices start from £598 GBPSave up to £3,917 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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