Cushion|Lab Grown|IGI

4.93ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG812626181

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG812626181

Diamond specifications and retailer prices

From £657 GBP

$882 USD

As of November 1, 2026

Save £4,462 GBP (87%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £7,042 GBP at Brilliant Earth · As of September 23, 2026

View at Brilliant Earth

About this 4.93ct lab-grown cushion diamond

This 4.93ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812626181 or 812626181. Listed at 15 retailers as of November 1, 2026, with a 679% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.93

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle32.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812626181

Dimensions11.79 × 9.01 × 5.48 mm

L/W Ratio1.31

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG812626181

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 1

Current: £7,042 GBP|Low: £657 GBP|High: £7,042 GBP|Avg: £2,339 GBP

Brilliant Earth

Retailer 2

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Retailer 11

Retailer 12

Retailer 13

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Retailer 18

November 2, 2026

Retailer 7£657 GBP

Retailer 5£760 GBP

Retailer 16£906 GBP

Retailer 17£1,081 GBP

Retailer 11£1,120 GBP

Retailer 6£1,221 GBP

Retailer 10£1,450 GBP

Retailer 2£1,561 GBP

Retailer 13£1,581 GBP

Retailer 8£1,977 GBP

Retailer 9£2,262 GBP

Retailer 15£2,631 GBP

Retailer 12£2,733 GBP

Retailer 3£2,795 GBP

Retailer 4£3,011 GBP

Retailer 18£3,963 GBP

Retailer 14£5,119 GBP

Brilliant Earth£7,042 GBP

34 data points across 18 retailers

15 retailers£657 GBP to £5,119 GBP

Cheapest Retailer

£657 GBP

$882 USD

Final sale: no returns

Retailer 2

£760 GBP

$1,020 USD

View

Retailer 3

£906 GBP

HK$9,500 HKD

View

B+

Retailer 4

£1,081 GBP

$1,451 USD

View

Retailer 5

£1,120 GBP

€1,432 EUR

View

Retailer 6

£1,221 GBP

$1,639 USD

View

Retailer 7

£1,561 GBP

$2,095 USD

View

Retailer 8

£1,581 GBP

A$3,265 AUD

View

B+

Retailer 9

£2,631 GBP

SGD 4,771 SGD

View

B+

Retailer 10

£2,733 GBP

A$5,643 AUD

View

Retailer 11

£2,795 GBP

View

Price last confirmed 7 days ago

Retailer 12

£3,011 GBP

$4,040 USD

View

Price last confirmed 14 days ago

Retailer 13

£3,963 GBP

$5,317 USD

View

Retailer 14

£5,119 GBP

$6,870 USD

View

Most Expensive

Brilliant Earth

20918665Y · Sep 23

£7,042 GBP

$9,450 USD

View

Price last confirmed 40 days ago

14 more retailers have this diamond

Prices start from £657 GBPSave up to £4,462 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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4.93ct Cushion

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