Cushion|Lab Grown|IGI

4.50ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2 • IGI LG828613184

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828613184

Diamond specifications and retailer prices

From £3,823 GBP

$5,130 USD

As of November 2, 2026

13 retailers carry this diamond

Most expensive: £3,823 GBP at Brilliant Earth

View at Brilliant Earth

About this 4.5ct lab-grown cushion diamond

This 4.5ct 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 LG828613184 or 828613184. Listed at 13 retailers as of November 2, 2026. 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

4.50

Carat

Colour

VVS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.4°

Pavilion angle35.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG828613184

Dimensions12.32 × 8.19 × 5.33 mm

L/W Ratio1.50

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG828613184

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

Unlock full score analysis

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

Price History

Last verified: Nov 2

Current: £3,823 GBP|Low: £600 GBP|High: £3,942 GBP|Avg: £1,694 GBP|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

October 11, 2026

Retailer 3£600 GBP

Retailer 12£960 GBP

Retailer 8£962 GBP

Retailer 2£975 GBP

Retailer 10£1,017 GBP

Retailer 11£1,276 GBP

Retailer 4£1,288 GBP

Retailer 15£1,304 GBP

Retailer 6£1,862 GBP

Retailer 5£2,041 GBP

Retailer 9£2,045 GBP

Retailer 7£2,068 GBP

Retailer 13£2,376 GBP

Retailer 14£2,595 GBP

Brilliant Earth£3,823 GBP

23 data points across 15 retailers

13 retailers

Retailer 1

£600 GBP

$805 USD

Price last confirmed 23 days ago

Retailer 2

£975 GBP

$1,308 USD

View

Price last confirmed 22 days ago

Retailer 3

£1,276 GBP

ZAR 27,653 ZAR

View

Price last confirmed 24 days ago

Retailer 4

£1,288 GBP

A$2,659 AUD

View

Price last confirmed 35 days ago

Retailer 5

£1,304 GBP

$1,750 USD

View

Price last confirmed 24 days ago

Retailer 6

£1,862 GBP

View

Price last confirmed 24 days ago

Retailer 7

£2,041 GBP

SGD 3,702 SGD

View

Price last confirmed 24 days ago

Retailer 8

£2,045 GBP

$2,744 USD

View

Price last confirmed 23 days ago

Retailer 9

£2,068 GBP

$2,775 USD

View

Price last confirmed 23 days ago

Retailer 10

£2,376 GBP

View

Price last confirmed 25 days ago

Retailer 11

£2,595 GBP

A$5,357 AUD

View

Price last confirmed 26 days ago

Retailer 12

£2,869 GBP

$3,850 USD

View

Price last confirmed 26 days ago

Most Expensive

Brilliant Earth

21056210A · Nov 2

£3,823 GBP

$5,130 USD

View

12 more retailers have this diamond

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.

Similar diamonds

4.50ct Cushion

£3,823 GBP