Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

EX • E/VVS1 • IGI LG765627159

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG765627159

Diamond specifications and retailer prices

From £310 GBP

$415 USD

As of November 1, 2026

Save £1,690 GBP (85%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £2,000 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG765627159 or 765627159. Listed at 16 retailers as of October 31, 2026, with prices from £310 to £2,000, a £1,690 spread on the same certified stone. Brilliant Earth lists it at £2,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.5°

Pavilion angle38.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG765627159

Dimensions9.15 × 6.53 × 4.21 mm

L/W Ratio1.40

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG765627159

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: £2,000 GBP|Low: £247 GBP|High: £2,060 GBP|Avg: £770 GBP|-2.9%

Brilliant Earth

Retailer 2

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Retailer 5

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Retailer 7

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Retailer 11

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Retailer 15

November 1, 2026

Retailer 7£247 GBP

Retailer 12£310 GBP

Retailer 2£402 GBP

Retailer 11£434 GBP

Retailer 9£436 GBP

Retailer 8£444 GBP

Retailer 15£545 GBP

Retailer 10£574 GBP

Retailer 3£787 GBP

Retailer 13£916 GBP

Retailer 5£938 GBP

Retailer 4£945 GBP

Retailer 14£1,025 GBP

Retailer 6£1,101 GBP

Brilliant Earth£2,000 GBP

41 data points across 15 retailers

16 retailers£310 GBP to £2,000 GBP

Retailer 1

£247 GBP

$331 USD

Price last confirmed 24 days ago

B+

Retailer 2

£310 GBP

$415 USD

View

Retailer 3

£368 GBP

€469 EUR

View

Retailer 4

£402 GBP

ZAR 8,708 ZAR

View

Retailer 5

£434 GBP

$582 USD

View

Retailer 6

£436 GBP

€557 EUR

View

Retailer 7

£444 GBP

View

B+

Retailer 8

£545 GBP

$730 USD

View

B+

Retailer 9

£574 GBP

$769 USD

View

B+

Retailer 10

£787 GBP

$1,055 USD

View

B+

Retailer 11

£916 GBP

$1,228 USD

View

B+

Retailer 12

£938 GBP

View

Retailer 13

£945 GBP

$1,266 USD

View

B+

Retailer 14

£1,025 GBP

A$2,112 AUD

View

Retailer 15

£1,101 GBP

$1,475 USD

View

Most Expensive

Brilliant Earth

17432904A · Oct 31

£2,000 GBP

$2,680 USD

View

15 more retailers have this diamond

Prices start from £310 GBPSave up to £1,690 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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