Princess|Lab Grown|IGI

1.34ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG816616335

Shape and cutting style on the report: Princess cut

Certificate IGI LG816616335

Diamond specifications and retailer prices

From £307 GBP

$412 USD

As of October 30, 2026

Save £1,596 GBP (84%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £1,903 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.34ct lab-grown princess diamond

This 1.34ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816616335 or 816616335. Listed at 19 retailers as of October 30, 2026, with prices from £307 to £1,903, a £1,596 spread on the same certified stone. Brilliant Earth lists it at £1,903. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.34

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.1°

Pavilion angle38.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG816616335

Dimensions6.02 × 5.97 × 4.31 mm

L/W Ratio1.01

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 LG816616335

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: £1,903 GBP|Low: £307 GBP|High: £2,873 GBP|Avg: £996 GBP|-33.8%

Brilliant Earth

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October 30, 2026

Retailer 11£307 GBP

Retailer 10£345 GBP

Retailer 16£354 GBP

Retailer 5£381 GBP

Retailer 7£381 GBP

Retailer 18£493 GBP

Retailer 12£600 GBP

Retailer 4£603 GBP

Retailer 2£628 GBP

Retailer 13£656 GBP

Retailer 6£728 GBP

Retailer 3£918 GBP

Retailer 9£1,227 GBP

Retailer 8£1,252 GBP

Retailer 17£1,319 GBP

Retailer 14£1,493 GBP

Retailer 15£1,535 GBP

Retailer 19£1,698 GBP

Brilliant Earth£1,903 GBP

35 data points across 19 retailers

19 retailers£307 GBP to £1,903 GBP

A+

Cheapest Retailer

£307 GBP

$412 USD

Retailer 2

£345 GBP

$462 USD

View

Retailer 3

£381 GBP

$511 USD

View

Retailer 4

£381 GBP

$511 USD

View

Retailer 5

£493 GBP

$660 USD

View

Retailer 6

£600 GBP

€766 EUR

View

Retailer 7

£603 GBP

$808 USD

View

Retailer 8

£628 GBP

View

Retailer 9

£656 GBP

ZAR 14,194 ZAR

View

Retailer 10

£728 GBP

$976 USD

View

B+

Retailer 11

£918 GBP

$1,230 USD

View

B+

Retailer 12

£1,227 GBP

$1,644 USD

View

B+

Retailer 13

£1,252 GBP

$1,678 USD

View

B+

Retailer 14

£1,319 GBP

SGD 2,389 SGD

View

B+

Retailer 15

£1,493 GBP

View

B+

Retailer 16

£1,535 GBP

$2,057 USD

View

Retailer 17

£1,570 GBP

View

Price last confirmed 28 days ago

B+

Retailer 18

£1,698 GBP

$2,275 USD

View

Most Expensive

Brilliant Earth

21421849A · Oct 30

£1,903 GBP

$2,550 USD

View

18 more retailers have this diamond

Prices start from £307 GBPSave up to £1,596 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+

1.34ct Princess

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