Princess|Lab Grown|IGI

3.07ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG689510021

Shape and cutting style on the report: Princess cut

Certificate IGI LG689510021

Diamond specifications and retailer prices

From £381 GBP

$511 USD

As of October 25, 2026

Save £1,671 GBP (81%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £2,052 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.07ct lab-grown princess diamond

This 3.07ct lab-grown princess sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689510021 or 689510021. Listed at 16 retailers as of October 25, 2026, with prices from £381 to £2,052, a £1,671 spread on the same certified stone. Brilliant Earth lists it at £2,052. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.07

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle44.4°

Pavilion angle38°

OriginLab Grown

Grading LabIGI

CertificateIGI LG689510021

Dimensions7.87 × 7.81 × 5.60 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 LG689510021

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 25

Current: £2,052 GBP|Low: £381 GBP|High: £2,299 GBP|Avg: £918 GBP|-10.7%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 30, 2026

Retailer 7£381 GBP

Retailer 11£469 GBP

Retailer 6£537 GBP

Retailer 5£555 GBP

Retailer 4£602 GBP

Retailer 2£627 GBP

Retailer 12£663 GBP

Retailer 3£766 GBP

Retailer 9£1,069 GBP

Retailer 10£1,433 GBP

Retailer 8£1,491 GBP

Brilliant Earth£2,052 GBP

30 data points across 12 retailers

16 retailers£381 GBP to £2,052 GBP

Retailer 1

£263 GBP

$352 USD

Price last confirmed 38 days ago

Retailer 2

£305 GBP

$408 USD

View

Price last confirmed 37 days ago

Retailer 3

£321 GBP

$430 USD

View

Price last confirmed 33 days ago

Retailer 4

£381 GBP

$511 USD

View

Price last confirmed 18 days ago

Retailer 5

£381 GBP

$511 USD

View

Retailer 6

£469 GBP

View

Price last confirmed 13 days ago

Retailer 7

£537 GBP

$720 USD

View

Retailer 8

£555 GBP

€708 EUR

View

B+

Retailer 9

£602 GBP

$806 USD

View

Retailer 10

£627 GBP

View

B+

Retailer 11

£663 GBP

$889 USD

View

B+

Retailer 12

£766 GBP

$1,026 USD

View

B+

Retailer 13

£1,069 GBP

$1,432 USD

View

Retailer 14

£1,433 GBP

$1,920 USD

View

Price last confirmed 12 days ago

Retailer 15

£1,491 GBP

View

Most Expensive

Brilliant Earth

13361383A · Oct 29

£2,052 GBP

$2,750 USD

View

15 more retailers have this diamond

Prices start from £381 GBPSave up to £1,671 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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3.07ct Princess

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