Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG843672261

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843672261

Diamond specifications and retailer prices

From £604 GBP

As of November 2, 2026

Save £4,627 GBP (88%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £5,231 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843672261 or 843672261. Listed at 19 retailers as of November 2, 2026, with prices from £604 to £5,231, a £4,627 spread on the same certified stone. Brilliant Earth lists it at £5,231. 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

4.51

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.9°

Pavilion angle38.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG843672261

Dimensions11.72 × 8.09 × 5.52 mm

L/W Ratio1.45

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 LG843672261

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: £5,231 GBP|Low: £604 GBP|High: £5,231 GBP|Avg: £1,842 GBP

Brilliant Earth

Retailer 2

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November 3, 2026

Retailer 13£604 GBP

Retailer 19£792 GBP

Retailer 7£809 GBP

Retailer 5£942 GBP

Retailer 6£970 GBP

Retailer 15£1,027 GBP

Retailer 14£1,030 GBP

Retailer 8£1,420 GBP

Retailer 2£1,443 GBP

Retailer 17£1,451 GBP

Retailer 12£1,481 GBP

Retailer 18£2,160 GBP

Retailer 9£2,280 GBP

Retailer 11£2,341 GBP

Retailer 10£2,424 GBP

Retailer 4£2,552 GBP

Retailer 16£2,579 GBP

Retailer 3£2,854 GBP

Brilliant Earth£5,231 GBP

30 data points across 19 retailers

19 retailers£604 GBP to £5,231 GBP

Cheapest Retailer

£604 GBP

Retailer 2

£792 GBP

HK$8,300 HKD

View

Retailer 3

£809 GBP

$1,085 USD

View

Retailer 4

£942 GBP

$1,264 USD

View

B+

Retailer 5

£970 GBP

$1,302 USD

View

Retailer 6

£1,027 GBP

€1,313 EUR

View

Retailer 7

£1,030 GBP

View

Retailer 8

£1,420 GBP

$1,905 USD

View

Retailer 9

£1,443 GBP

ZAR 31,283 ZAR

View

Retailer 10

£1,451 GBP

A$2,996 AUD

View

Retailer 11

£1,481 GBP

$1,988 USD

View

B+

Retailer 12

£2,160 GBP

$2,899 USD

View

B+

Retailer 13

£2,280 GBP

SGD 4,134 SGD

View

B+

Retailer 14

£2,341 GBP

$3,141 USD

View

B+

Retailer 15

£2,424 GBP

$3,253 USD

View

B+

Retailer 16

£2,552 GBP

View

B+

Retailer 17

£2,579 GBP

A$5,324 AUD

View

Retailer 18

£2,854 GBP

$3,830 USD

View

Price last confirmed 15 days ago

Most Expensive

Brilliant Earth

21702797A · Nov 2

£5,231 GBP

$7,020 USD

View

18 more retailers have this diamond

Prices start from £604 GBPSave up to £4,627 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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