Princess|Lab Grown|IGI

1.06ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG739579978

Shape and cutting style on the report: Princess cut

Certificate IGI LG739579978

Diamond specifications and retailer prices

From £136 GBP

$182 USD

As of October 30, 2026

Save £711 GBP (84%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £847 GBP at Reve Diamonds · As of October 30, 2026

View at Reve Diamonds

About this 1.06ct lab-grown princess diamond

This 1.06ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG739579978 or 739579978. Listed at 16 retailers as of October 30, 2026, with prices from £136 to £847, a £711 spread on the same certified stone. Reve Diamonds lists it at £847. 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

1.06

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.1°

Pavilion angle37.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG739579978

Dimensions5.65 × 5.57 × 3.83 mm

L/W Ratio1.01

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 LG739579978

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: £303 GBP|Low: £107 GBP|High: £847 GBP|Avg: £400 GBP|+5.6%

Retailer 1

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

Reve Diamonds

October 30, 2026

Retailer 3£136 GBP

Retailer 4£152 GBP

Retailer 10£157 GBP

Retailer 6£168 GBP

Retailer 15£168 GBP

Retailer 11£267 GBP

Retailer 12£296 GBP

Retailer 1£303 GBP

Retailer 8£323 GBP

Retailer 13£348 GBP

Retailer 14£446 GBP

Retailer 7£500 GBP

Retailer 2£540 GBP

Retailer 5£581 GBP

Retailer 9£790 GBP

Reve Diamonds£847 GBP

42 data points across 16 retailers

16 retailers£136 GBP to £847 GBP

Cheapest Retailer

£136 GBP

$182 USD

Retailer 2

£152 GBP

$203 USD

View

Final sale: no returns

Retailer 3

£157 GBP

$211 USD

View

Retailer 4

£168 GBP

$225 USD

View

Retailer 5

£168 GBP

$225 USD

View

B+

Retailer 6

£267 GBP

$358 USD

View

B+

Retailer 7

£296 GBP

$397 USD

View

B+

Retailer 8

£303 GBP

View

B+

Retailer 9

£323 GBP

€412 EUR

View

B+

Retailer 10

£348 GBP

$466 USD

View

Retailer 11

£446 GBP

$597 USD

View

Retailer 12

£500 GBP

$670 USD

View

Retailer 13

£540 GBP

$724 USD

View

Retailer 14

£581 GBP

$778 USD

View

Retailer 15

£790 GBP

View

Most Expensive

Reve Diamonds

F54516897 · Oct 30

£847 GBP

$1,135 USD

View

15 more retailers have this diamond

Prices start from £136 GBPSave up to £711 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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