Cushion|Lab Grown|IGI

5.57ct H VVS2 Cushion Lab Grown Diamond

ID • H/VVS2 • IGI LG838637451

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG838637451

Diamond specifications and retailer prices

From £812 GBP

HK$8,500 HKD

As of October 30, 2026

Save £2,621 GBP (76%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £3,433 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 5.57ct lab-grown cushion diamond

This 5.57ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG838637451 or 838637451. Listed at 17 retailers as of October 30, 2026, with prices from £812 to £3,433, a £2,621 spread on the same certified stone. Brilliant Earth lists it at £3,433. 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

5.57

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.6°

Pavilion angle32.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG838637451

Dimensions12.34 × 8.89 × 5.91 mm

L/W Ratio1.39

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 LG838637451

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 30

Current: £3,433 GBP|Low: £684 GBP|High: £3,433 GBP|Avg: £1,765 GBP

Brilliant Earth

Retailer 2

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Retailer 18

October 31, 2026

Retailer 10£690 GBP

Retailer 3£779 GBP

Retailer 14£812 GBP

Retailer 5£862 GBP

Retailer 8£1,011 GBP

Retailer 2£1,063 GBP

Retailer 4£1,152 GBP

Retailer 16£1,440 GBP

Retailer 17£1,449 GBP

Retailer 13£1,484 GBP

Retailer 7£2,272 GBP

Retailer 12£2,357 GBP

Retailer 6£2,366 GBP

Retailer 9£2,479 GBP

Retailer 15£2,686 GBP

Retailer 18£3,120 GBP

Retailer 11£3,350 GBP

Brilliant Earth£3,433 GBP

29 data points across 18 retailers

17 retailers£812 GBP to £3,433 GBP

Retailer 1

£779 GBP

Price last confirmed 14 days ago

Retailer 2

£812 GBP

HK$8,500 HKD

View

Retailer 3

£862 GBP

$1,155 USD

View

Retailer 4

£1,011 GBP

$1,354 USD

View

Retailer 5

£1,063 GBP

€1,357 EUR

View

B+

Retailer 6

£1,152 GBP

$1,544 USD

View

Retailer 7

£1,440 GBP

ZAR 31,181 ZAR

View

Price last confirmed 7 days ago

Retailer 8

£1,449 GBP

A$2,987 AUD

View

Price last confirmed 10 days ago

Retailer 9

£1,484 GBP

$1,989 USD

View

B+

Retailer 10

£2,272 GBP

$3,045 USD

View

Retailer 11

£2,357 GBP

SGD 4,267 SGD

View

Retailer 12

£2,366 GBP

$3,170 USD

View

B+

Retailer 13

£2,479 GBP

$3,321 USD

View

B+

Retailer 14

£2,686 GBP

View

Retailer 15

£3,120 GBP

$4,180 USD

View

Price last confirmed 10 days ago

B+

Retailer 16

£3,350 GBP

$4,488 USD

View

Most Expensive

B+

Brilliant Earth

21808538A · Oct 30

£3,433 GBP

$4,600 USD

View

16 more retailers have this diamond

Prices start from £812 GBPSave up to £2,621 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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5.57ct Cushion

£812 GBP