Princess|Lab Grown|IGI

2.51ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG677579996

Shape and cutting style on the report: Princess cut

Certificate IGI LG677579996

Diamond specifications and retailer prices

From £405 GBP

$542 USD

As of October 30, 2026

Save £1,775 GBP (81%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £2,179 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677579996 or 677579996. Listed at 16 retailers as of October 29, 2026, with prices from £405 to £2,179, a £1,775 spread on the same certified stone. Brilliant Earth lists it at £2,179. 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

2.51

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle38.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG677579996

Dimensions7.57 × 7.47 × 5.20 mm

L/W Ratio1.01

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 LG677579996

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: £2,179 GBP|Low: £388 GBP|High: £2,343 GBP|Avg: £1,023 GBP|-7.0%

Brilliant Earth

Retailer 2

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Retailer 15

October 30, 2026

Retailer 13£405 GBP

Retailer 6£453 GBP

Retailer 4£502 GBP

Retailer 14£502 GBP

Retailer 2£574 GBP

Retailer 11£601 GBP

Retailer 7£693 GBP

Retailer 15£775 GBP

Retailer 8£1,114 GBP

Retailer 10£1,211 GBP

Retailer 12£1,295 GBP

Retailer 3£1,320 GBP

Retailer 5£1,456 GBP

Retailer 9£2,106 GBP

Brilliant Earth£2,179 GBP

42 data points across 15 retailers

16 retailers£405 GBP to £2,179 GBP

Cheapest Retailer

£405 GBP

$542 USD

Retailer 2

£453 GBP

$607 USD

View

Retailer 3

£502 GBP

$672 USD

View

Price last confirmed 15 days ago

Retailer 4

£502 GBP

$672 USD

View

Retailer 5

£574 GBP

View

Retailer 6

£601 GBP

$805 USD

View

Retailer 7

£693 GBP

$929 USD

View

B+

Retailer 8

£775 GBP

$1,039 USD

View

B+

Retailer 9

£1,051 GBP

HK$11,000 HKD

View

B+

Retailer 10

£1,114 GBP

A$2,296 AUD

View

B+

Retailer 11

£1,211 GBP

ZAR 26,208 ZAR

View

B+

Retailer 12

£1,295 GBP

$1,735 USD

View

B+

Retailer 13

£1,320 GBP

$1,768 USD

View

B+

Retailer 14

£1,456 GBP

View

Retailer 15

£2,106 GBP

View

Most Expensive

Brilliant Earth

17970465A · Oct 29

£2,179 GBP

$2,920 USD

View

15 more retailers have this diamond

Prices start from £405 GBPSave up to £1,775 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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2.51ct Princess

£405 GBP