Cushion|Lab Grown|IGI

3.57ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG844656593

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG844656593

Diamond specifications and retailer prices

From £668 GBP

$890 USD

As of October 29, 2026

Save £1,943 GBP (74%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £3,233 GBP at Rare Carat · As of October 21, 2026

View at Rare Carat

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 LG844656593 or 844656593. Listed at 16 retailers as of October 26, 2026, with a 291% 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 angle37.3°

Pavilion angle35.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG844656593

Dimensions10.84 × 7.73 × 5.23 mm

L/W Ratio1.40

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 LG844656593

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: £1,060 GBP|Low: £668 GBP|High: £2,781 GBP|Avg: £1,615 GBP|-7.9%

Retailer 1

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 29, 2026

Retailer 14£668 GBP

Retailer 10£809 GBP

Retailer 2£837 GBP

Retailer 5£990 GBP

Retailer 4£997 GBP

Retailer 8£1,060 GBP

Retailer 1£1,060 GBP

Retailer 9£1,610 GBP

Retailer 7£1,617 GBP

Retailer 6£1,841 GBP

Retailer 11£2,332 GBP

Retailer 12£2,343 GBP

Retailer 15£2,397 GBP

Retailer 13£2,483 GBP

Retailer 3£2,611 GBP

13 data points across 15 retailers

16 retailers£668 GBP to £2,611 GBP

Cheapest Retailer

£668 GBP

$890 USD

Final sale: no returns

Retailer 2

£809 GBP

View

Retailer 3

£837 GBP

$1,115 USD

View

Retailer 4

£990 GBP

$1,318 USD

View

Retailer 5

£997 GBP

$1,328 USD

View

Retailer 6

£1,060 GBP

€1,344 EUR

View

Retailer 7

£1,060 GBP

View

Retailer 8

£1,610 GBP

ZAR 34,629 ZAR

View

Retailer 9

£1,617 GBP

A$3,313 AUD

View

Price last confirmed 8 days ago

B+

Retailer 10

£1,841 GBP

$2,451 USD

View

B+

Retailer 11

£2,332 GBP

SGD 4,197 SGD

View

B+

Retailer 12

£2,343 GBP

$3,120 USD

View

B+

Retailer 13

£2,397 GBP

$3,193 USD

View

B+

Retailer 14

£2,483 GBP

$3,306 USD

View

B+

Retailer 15

£2,611 GBP

View

Most Expensive

Rare Carat

CN389-2A · Oct 21

£3,233 GBP

$4,305 USD

View

Price last confirmed 8 days ago

15 more retailers have this diamond

Prices start from £668 GBPSave up to £1,943 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.

Similar diamonds

3.57ct Cushion

£668 GBP