Round|Lab Grown|IGI

5.25ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG584366831

Shape and cutting style on the report: Round brilliant

Certificate IGI LG584366831

Diamond specifications and retailer prices

From £573 GBP

$768 USD

As of October 29, 2026

Save £2,561 GBP (82%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £3,135 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 5.25ct lab-grown round diamond

This 5.25ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG584366831 or 584366831. Listed at 17 retailers as of October 29, 2026, with prices from £573 to £3,135, a £2,561 spread on the same certified stone. Brilliant Earth lists it at £3,135. 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

5.25

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG584366831

Dimensions11.12 × 11.07 × 6.90 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG584366831

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: £3,135 GBP|Low: £386 GBP|High: £3,232 GBP|Avg: £1,474 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 30, 2026

Retailer 6£559 GBP

Retailer 13£573 GBP

Retailer 11£728 GBP

Retailer 14£941 GBP

Retailer 4£966 GBP

Retailer 9£976 GBP

Retailer 2£1,203 GBP

Retailer 10£1,206 GBP

Retailer 15£1,342 GBP

Retailer 12£1,517 GBP

Retailer 5£1,952 GBP

Retailer 3£2,047 GBP

Retailer 8£2,514 GBP

Retailer 7£2,767 GBP

Brilliant Earth£3,135 GBP

31 data points across 15 retailers

17 retailers£573 GBP to £3,135 GBP

Retailer 1

£482 GBP

$646 USD

Price last confirmed 37 days ago

Retailer 2

£525 GBP

$703 USD

View

Price last confirmed 37 days ago

Retailer 3

£552 GBP

$739 USD

View

Price last confirmed 33 days ago

Retailer 4

£573 GBP

$768 USD

View

Final sale: no returns

Retailer 5

£728 GBP

$975 USD

View

Retailer 6

£941 GBP

$1,261 USD

View

B+

Retailer 7

£966 GBP

$1,295 USD

View

Retailer 8

£976 GBP

€1,245 EUR

View

B+

Retailer 9

£1,203 GBP

A$2,480 AUD

View

B+

Retailer 10

£1,206 GBP

ZAR 26,106 ZAR

View

B+

Retailer 11

£1,342 GBP

$1,798 USD

View

B+

Retailer 12

£1,517 GBP

$2,032 USD

View

Retailer 13

£1,573 GBP

$2,107 USD

View

Price last confirmed 34 days ago

Retailer 14

£1,952 GBP

$2,616 USD

View

Price last confirmed 20 days ago

Retailer 15

£2,047 GBP

$2,743 USD

View

Retailer 16

£2,514 GBP

View

Most Expensive

Brilliant Earth

7633740A · Oct 29

£3,135 GBP

$4,200 USD

View

16 more retailers have this diamond

Prices start from £573 GBPSave up to £2,561 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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5.25ct Round

£573 GBP