Cushion|Lab Grown|IGI

3.57ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG841632139

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841632139

Diamond specifications and retailer prices

From £647 GBP

$861 USD

As of October 29, 2026

Save £1,878 GBP (74%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £3,778 GBP at Helzberg Diamonds · As of October 13, 2026

View at Helzberg Diamonds

About this 3.57ct lab-grown cushion diamond

This 3.57ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841632139 or 841632139. Listed at 17 retailers as of October 29, 2026, with a 290% 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

3.57

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.7°

Pavilion angle37.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG841632139

Dimensions10.94 × 7.73 × 5.12 mm

L/W Ratio1.42

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 LG841632139

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 29

Current: £3,778 GBP|Low: £647 GBP|High: £3,778 GBP|Avg: £1,858 GBP

Helzberg Diamonds

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

Retailer 16

Retailer 17

October 29, 2026

Retailer 16£647 GBP

Retailer 14£782 GBP

Retailer 3£807 GBP

Retailer 17£960 GBP

Retailer 13£965 GBP

Retailer 10£1,023 GBP

Retailer 2£1,023 GBP

Retailer 6£1,522 GBP

Retailer 12£1,555 GBP

Retailer 4£1,833 GBP

Retailer 8£2,296 GBP

Retailer 5£2,313 GBP

Retailer 15£2,395 GBP

Retailer 11£2,524 GBP

Retailer 9£3,125 GBP

Retailer 7£3,214 GBP

Helzberg Diamonds£3,778 GBP

25 data points across 17 retailers

17 retailers£647 GBP to £2,524 GBP

Cheapest Retailer

£647 GBP

$861 USD

Final sale: no returns

Retailer 2

£782 GBP

View

Retailer 3

£807 GBP

$1,075 USD

View

Retailer 4

£960 GBP

$1,278 USD

View

Retailer 5

£965 GBP

$1,285 USD

View

Retailer 6

£1,023 GBP

€1,297 EUR

View

Retailer 7

£1,023 GBP

View

Retailer 8

£1,522 GBP

A$3,118 AUD

View

Price last confirmed 8 days ago

Retailer 9

£1,555 GBP

ZAR 33,456 ZAR

View

Retailer 10

£1,833 GBP

$2,441 USD

View

B+

Retailer 11

£2,296 GBP

$3,057 USD

View

B+

Retailer 12

£2,313 GBP

$3,080 USD

View

B+

Retailer 13

£2,395 GBP

$3,190 USD

View

B+

Retailer 14

£2,524 GBP

View

Retailer 15

£3,125 GBP

A$6,402 AUD

View

Price last confirmed 21 days ago

Retailer 16

£3,214 GBP

$4,280 USD

View

Price last confirmed 8 days ago

Most Expensive

Helzberg Diamonds

ZXZOKHMJIHJP · Oct 13

£3,778 GBP

$5,031 USD

View

Price last confirmed 16 days ago

16 more retailers have this diamond

Prices start from £647 GBPSave up to £1,878 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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3.57ct Cushion

£647 GBP