Cushion|Lab Grown|IGI

4.00ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG823627965

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG823627965

Diamond specifications and retailer prices

From £452 GBP

As of October 27, 2026

Save £1,854 GBP (80%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £2,305 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 4ct lab-grown cushion diamond

This 4ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823627965 or 823627965. Listed at 16 retailers as of October 27, 2026, with prices from £452 to £2,305, a £1,854 spread on the same certified stone. Brilliant Earth lists it at £2,305. 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

4.00

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.2°

Pavilion angle34.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG823627965

Dimensions10.35 × 7.95 × 5.53 mm

L/W Ratio1.30

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 LG823627965

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 27

Current: £2,305 GBP|Low: £450 GBP|High: £4,348 GBP|Avg: £1,367 GBP|-47.0%

Brilliant Earth

Retailer 2

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Retailer 15

October 30, 2026

Retailer 12£452 GBP

Retailer 15£519 GBP

Retailer 11£578 GBP

Retailer 2£690 GBP

Retailer 13£732 GBP

Retailer 4£739 GBP

Retailer 5£1,018 GBP

Retailer 3£1,110 GBP

Retailer 6£1,385 GBP

Retailer 10£1,489 GBP

Retailer 9£1,682 GBP

Retailer 7£1,765 GBP

Retailer 14£1,989 GBP

Retailer 8£2,056 GBP

Brilliant Earth£2,305 GBP

35 data points across 15 retailers

16 retailers£452 GBP to £2,305 GBP

Cheapest Retailer

£452 GBP

Retailer 2

£519 GBP

HK$5,400 HKD

View

Retailer 3

£578 GBP

$770 USD

View

Retailer 4

£690 GBP

€875 EUR

View

Retailer 5

£732 GBP

View

B+

Retailer 6

£739 GBP

$984 USD

View

Retailer 7

£1,018 GBP

$1,355 USD

View

B+

Retailer 8

£1,110 GBP

$1,478 USD

View

B+

Retailer 9

£1,385 GBP

View

B+

Retailer 10

£1,489 GBP

SGD 2,680 SGD

View

B+

Retailer 11

£1,682 GBP

$2,240 USD

View

Retailer 12

£1,693 GBP

$2,255 USD

View

Retailer 13

£1,765 GBP

$2,351 USD

View

B+

Retailer 14

£1,989 GBP

View

Retailer 15

£2,056 GBP

$2,738 USD

View

Most Expensive

Brilliant Earth

20868246A · Oct 30

£2,305 GBP

$3,070 USD

View

15 more retailers have this diamond

Prices start from £452 GBPSave up to £1,854 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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