Round|Lab Grown|IGI

5.26ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG530216170

Shape and cutting style on the report: Round brilliant

Certificate IGI LG530216170

Diamond specifications and retailer prices

From £728 GBP

$975 USD

As of October 29, 2026

Save £2,414 GBP (77%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £3,142 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 5.26ct lab-grown round diamond

This 5.26ct 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 LG530216170 or 530216170. Listed at 16 retailers as of October 29, 2026, with prices from £728 to £3,142, a £2,414 spread on the same certified stone. Brilliant Earth lists it at £3,142. 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

5.26

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG530216170

Dimensions11.09 × 11.05 × 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 LG530216170

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: £3,142 GBP|Low: £387 GBP|High: £3,239 GBP|Avg: £1,596 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 29, 2026

Retailer 3£574 GBP

Retailer 10£728 GBP

Retailer 13£943 GBP

Retailer 4£968 GBP

Retailer 8£977 GBP

Retailer 9£1,208 GBP

Retailer 11£1,212 GBP

Retailer 14£1,346 GBP

Retailer 12£1,465 GBP

Retailer 5£1,955 GBP

Retailer 15£2,051 GBP

Retailer 7£2,241 GBP

Retailer 2£2,519 GBP

Retailer 6£2,772 GBP

Brilliant Earth£3,142 GBP

30 data points across 15 retailers

16 retailers£728 GBP to £3,142 GBP

Retailer 1

£483 GBP

$647 USD

Price last confirmed 37 days ago

Retailer 2

£525 GBP

$704 USD

View

Price last confirmed 37 days ago

Retailer 3

£552 GBP

$740 USD

View

Price last confirmed 33 days ago

Retailer 4

£728 GBP

$975 USD

View

Retailer 5

£943 GBP

$1,263 USD

View

B+

Retailer 6

£968 GBP

$1,297 USD

View

Retailer 7

£977 GBP

€1,247 EUR

View

B+

Retailer 8

£1,208 GBP

ZAR 26,154 ZAR

View

Retailer 9

£1,212 GBP

A$2,499 AUD

View

Price last confirmed 10 days ago

B+

Retailer 10

£1,346 GBP

$1,804 USD

View

B+

Retailer 11

£1,465 GBP

$1,963 USD

View

Retailer 12

£1,576 GBP

$2,111 USD

View

Price last confirmed 33 days ago

Retailer 13

£1,955 GBP

$2,620 USD

View

Price last confirmed 19 days ago

Retailer 14

£2,051 GBP

$2,748 USD

View

Retailer 15

£2,519 GBP

View

Most Expensive

Brilliant Earth

7633841A · Oct 29

£3,142 GBP

$4,210 USD

View

15 more retailers have this diamond

Prices start from £728 GBPSave up to £2,414 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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5.26ct Round

£728 GBP