Princess|Lab Grown|IGI

2.90ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG768631261

Shape and cutting style on the report: Princess cut

Certificate IGI LG768631261

Diamond specifications and retailer prices

From £988 GBP

$1,316 USD

As of October 30, 2026

Save £6,874 GBP (87%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £7,862 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.9ct lab-grown princess diamond

This 2.9ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768631261 or 768631261. Listed at 18 retailers as of October 29, 2026, with prices from £988 to £7,862, a £6,874 spread on the same certified stone. Brilliant Earth lists it at £7,862. 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

2.90

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.5°

Pavilion angle37.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG768631261

Dimensions7.97 × 7.74 × 5.40 mm

L/W Ratio1.03

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG768631261

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: £7,862 GBP|Low: £988 GBP|High: £8,110 GBP|Avg: £3,252 GBP

Brilliant Earth

Retailer 2

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Retailer 18

October 30, 2026

Retailer 11£988 GBP

Retailer 6£1,192 GBP

Retailer 5£1,310 GBP

Retailer 3£1,361 GBP

Retailer 15£1,693 GBP

Retailer 12£1,987 GBP

Retailer 18£2,006 GBP

Retailer 10£2,011 GBP

Retailer 13£2,074 GBP

Retailer 4£2,308 GBP

Retailer 17£2,372 GBP

Retailer 16£3,214 GBP

Retailer 7£3,410 GBP

Retailer 14£3,634 GBP

Retailer 8£4,543 GBP

Retailer 2£6,796 GBP

Retailer 9£7,001 GBP

Brilliant Earth£7,862 GBP

33 data points across 18 retailers

18 retailers£988 GBP to £7,862 GBP

A+

Cheapest Retailer

£988 GBP

$1,316 USD

Retailer 2

£1,192 GBP

$1,588 USD

View

Retailer 3

£1,310 GBP

$1,745 USD

View

Retailer 4

£1,361 GBP

$1,812 USD

View

Retailer 5

£1,524 GBP

$2,029 USD

View

Retailer 6

£1,987 GBP

$2,646 USD

View

Retailer 7

£2,006 GBP

$2,671 USD

View

Retailer 8

£2,011 GBP

$2,678 USD

View

Final sale: no returns

Retailer 9

£2,074 GBP

€2,631 EUR

View

Retailer 10

£2,308 GBP

$3,073 USD

View

Retailer 11

£2,372 GBP

$3,159 USD

View

Retailer 12

£3,214 GBP

$4,280 USD

View

Retailer 13

£3,410 GBP

A$6,987 AUD

View

Price last confirmed 7 days ago

B+

Retailer 14

£3,634 GBP

View

B+

Retailer 15

£4,543 GBP

$6,050 USD

View

Retailer 16

£6,796 GBP

$9,050 USD

View

Retailer 17

£7,001 GBP

A$14,344 AUD

View

Price last confirmed 21 days ago

Most Expensive

Brilliant Earth

18070826Y · Oct 29

£7,862 GBP

$10,470 USD

View

17 more retailers have this diamond

Prices start from £988 GBPSave up to £6,874 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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A+

2.90ct Princess

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