Princess|Lab Grown|IGI

8.78ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG593386540

Shape and cutting style on the report: Princess cut

Certificate IGI LG593386540

Diamond specifications and retailer prices

From £1,243 GBP

$1,665 USD

As of October 31, 2026

Save £8,378 GBP (87%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £9,620 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 8.78ct lab-grown princess diamond

This 8.78ct lab-grown princess sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG593386540 or 593386540. Listed at 18 retailers as of October 31, 2026, with prices from £1,243 to £9,620, a £8,378 spread on the same certified stone. Brilliant Earth lists it at £9,620. 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

8.78

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.3°

Pavilion angle37.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG593386540

Dimensions11.33 × 11.28 × 7.83 mm

L/W Ratio1.00

Culet sizePointed

Cert comments

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 LG593386540

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 31

Current: £9,620 GBP|Low: £1,076 GBP|High: £12,904 GBP|Avg: £2,837 GBP|-10.5%

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

Retailer 16

Retailer 17

November 1, 2026

Retailer 5£1,076 GBP

Retailer 4£1,115 GBP

Retailer 12£1,243 GBP

Retailer 6£1,514 GBP

Retailer 10£1,571 GBP

Retailer 15£1,764 GBP

Retailer 14£1,870 GBP

Retailer 13£1,894 GBP

Retailer 11£2,066 GBP

Retailer 17£2,078 GBP

Retailer 8£2,696 GBP

Retailer 3£3,199 GBP

Retailer 16£3,319 GBP

Retailer 2£3,582 GBP

Retailer 7£3,741 GBP

Retailer 9£3,913 GBP

Brilliant Earth£9,620 GBP

39 data points across 17 retailers

18 retailers£1,243 GBP to £9,620 GBP

Retailer 1

£961 GBP

$1,288 USD

Price last confirmed 40 days ago

Retailer 2

£1,046 GBP

$1,401 USD

View

Price last confirmed 39 days ago

Retailer 3

£1,099 GBP

$1,473 USD

View

Price last confirmed 35 days ago

Retailer 4

£1,243 GBP

$1,665 USD

View

Retailer 5

£1,514 GBP

$2,028 USD

View

Retailer 6

£1,571 GBP

View

B+

Retailer 7

£1,764 GBP

$2,364 USD

View

Retailer 8

£1,870 GBP

ZAR 40,470 ZAR

View

Retailer 9

£1,894 GBP

€2,417 EUR

View

Retailer 10

£2,066 GBP

A$4,258 AUD

View

Retailer 11

£2,078 GBP

$2,784 USD

View

B+

Retailer 12

£2,696 GBP

View

B+

Retailer 13

£3,199 GBP

$4,286 USD

View

Retailer 14

£3,319 GBP

$4,448 USD

View

Price last confirmed 21 days ago

B+

Retailer 15

£3,582 GBP

View

Retailer 16

£3,741 GBP

$5,013 USD

View

Retailer 17

£3,913 GBP

$5,244 USD

View

Most Expensive

Brilliant Earth

7969238A · Oct 31

£9,620 GBP

$12,890 USD

View

17 more retailers have this diamond

Prices start from £1,243 GBPSave up to £8,378 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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8.78ct Princess

£1,243 GBP