Princess|Lab Grown|IGI

5.17ct E VS2 Princess Lab Grown Diamond

ID • E/VS2 • IGI LG678501242

Shape and cutting style on the report: Princess cut

Certificate IGI LG678501242

Diamond specifications and retailer prices

From £709 GBP

$950 USD

As of October 29, 2026

Save £3,747 GBP (84%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £4,456 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 5.17ct lab-grown princess diamond

This 5.17ct lab-grown princess sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678501242 or 678501242. Listed at 15 retailers as of October 29, 2026, with prices from £709 to £4,456, a £3,747 spread on the same certified stone. Brilliant Earth lists it at £4,456. 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

5.17

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle46.3°

Pavilion angle38.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG678501242

Dimensions9.31 × 9.30 × 6.72 mm

L/W Ratio1.00

Culet sizePointed

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 LG678501242

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: £4,456 GBP|Low: £518 GBP|High: £5,396 GBP|Avg: £1,520 GBP|-17.0%

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 9£518 GBP

Retailer 8£563 GBP

Retailer 17£575 GBP

Retailer 10£593 GBP

Retailer 7£669 GBP

Retailer 14£709 GBP

Retailer 2£919 GBP

Retailer 18£921 GBP

Retailer 5£937 GBP

Retailer 11£972 GBP

Retailer 15£1,468 GBP

Retailer 3£1,571 GBP

Retailer 13£1,786 GBP

Retailer 6£1,961 GBP

Retailer 4£1,983 GBP

Retailer 12£2,434 GBP

Retailer 16£2,881 GBP

Brilliant Earth£4,456 GBP

41 data points across 18 retailers

15 retailers£709 GBP to £4,456 GBP

Retailer 1

£575 GBP

$770 USD

Price last confirmed 13 days ago

Retailer 2

£669 GBP

View

Price last confirmed 20 days ago

Retailer 3

£709 GBP

$950 USD

View

Retailer 4

£919 GBP

View

Retailer 5

£921 GBP

$1,234 USD

View

B+

Retailer 6

£937 GBP

$1,255 USD

View

Retailer 7

£972 GBP

€1,240 EUR

View

Retailer 8

£1,468 GBP

$1,967 USD

View

B+

Retailer 9

£1,571 GBP

$2,105 USD

View

B+

Retailer 10

£1,786 GBP

View

B+

Retailer 11

£1,961 GBP

$2,627 USD

View

Retailer 12

£1,983 GBP

$2,656 USD

View

Price last confirmed 12 days ago

B+

Retailer 13

£2,434 GBP

View

Retailer 14

£2,881 GBP

$3,860 USD

View

Most Expensive

Brilliant Earth

12973916A · Oct 29

£4,456 GBP

$5,970 USD

View

14 more retailers have this diamond

Prices start from £709 GBPSave up to £3,747 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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5.17ct Princess

£709 GBP