Radiant|Lab Grown|IGI

1.07ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG669421034

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG669421034

Diamond specifications and retailer prices

From £129 GBP

$173 USD

As of November 2, 2026

Save £625 GBP (83%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £754 GBP at MOH London · As of October 29, 2026

View at MOH London

About this 1.07ct lab-grown radiant diamond

This 1.07ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG669421034 or 669421034. Listed at 18 retailers as of October 29, 2026, with prices from £129 to £754, a £625 spread on the same certified stone. MOH London lists it at £754. 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

1.07

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.9°

Pavilion angle36°

OriginLab Grown

Grading LabIGI

CertificateIGI LG669421034

Dimensions7.24 × 5.08 × 3.49 mm

L/W Ratio1.43

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 LG669421034

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: Nov 2

Current: £754 GBP|Low: £124 GBP|High: £759 GBP|Avg: £306 GBP|-0.5%

MOH London

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

November 2, 2026

Retailer 10£129 GBP

Retailer 6£145 GBP

Retailer 3£150 GBP

Retailer 4£160 GBP

Retailer 13£160 GBP

Retailer 7£208 GBP

Retailer 11£216 GBP

Retailer 8£287 GBP

Retailer 9£298 GBP

Retailer 5£342 GBP

Retailer 2£407 GBP

Retailer 14£516 GBP

Retailer 12£537 GBP

MOH London£754 GBP

42 data points across 14 retailers

18 retailers£129 GBP to £754 GBP

Cheapest Retailer

£129 GBP

$173 USD

Retailer 2

£145 GBP

$194 USD

View

Final sale: no returns

Retailer 3

£150 GBP

$201 USD

View

Retailer 4

£160 GBP

$215 USD

View

Price last confirmed 8 days ago

Retailer 5

£160 GBP

$215 USD

View

Retailer 6

£182 GBP

HK$1,900 HKD

View

Retailer 7

£208 GBP

View

B+

Retailer 8

£216 GBP

$290 USD

View

Retailer 9

£252 GBP

$338 USD

View

Retailer 10

£287 GBP

View

B+

Retailer 11

£298 GBP

€380 EUR

View

B+

Retailer 12

£342 GBP

$458 USD

View

Retailer 13

£407 GBP

$546 USD

View

B+

Retailer 14

£437 GBP

SGD 792 SGD

View

Retailer 15

£516 GBP

$691 USD

View

Retailer 16

£537 GBP

$720 USD

View

Retailer 17

£557 GBP

$746 USD

View

Most Expensive

MOH London

LG669421034 · Oct 29

£754 GBP

View

17 more retailers have this diamond

Prices start from £129 GBPSave up to £625 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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