Asscher|Lab Grown|IGI

4.66ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG780662921

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG780662921

Diamond specifications and retailer prices

From £5,026 GBP

$6,734 USD

As of November 2, 2026

Save £17,535 GBP (78%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £22,561 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 4.66ct lab-grown asscher diamond

This 4.66ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662921 or 780662921. Listed at 14 retailers as of October 31, 2026, with prices from £5,026 to £22,561, a £17,535 spread on the same certified stone. Taylor and Hart lists it at £22,561. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.66

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle31.8°

Pavilion angle42.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780662921

Dimensions9.09 × 9.05 × 6.15 mm

L/W Ratio1.00

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 LG780662921

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: £12,896 GBP|Low: £5,026 GBP|High: £27,178 GBP|Avg: £12,504 GBP|-9.2%

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

Taylor and Hart

November 1, 2026

Retailer 2£5,026 GBP

Retailer 12£5,600 GBP

Retailer 6£6,066 GBP

Retailer 11£7,290 GBP

Retailer 3£7,623 GBP

Retailer 5£8,042 GBP

Retailer 7£8,572 GBP

Retailer 4£11,512 GBP

Retailer 10£11,668 GBP

Retailer 13£12,438 GBP

Retailer 1£12,896 GBP

Retailer 8£13,106 GBP

Retailer 9£14,786 GBP

Retailer 14£19,128 GBP

Taylor and Hart£22,561 GBP

33 data points across 15 retailers

14 retailers£5,026 GBP to £22,561 GBP

Cheapest Retailer

£5,026 GBP

$6,734 USD

Retailer 2

£5,600 GBP

$7,504 USD

View

Retailer 3

£7,290 GBP

$9,768 USD

View

B+

Retailer 4

£7,623 GBP

HK$79,800 HKD

View

Retailer 5

£8,042 GBP

$10,775 USD

View

Price last confirmed 25 days ago

B+

Retailer 6

£8,572 GBP

View

B+

Retailer 7

£11,512 GBP

$15,425 USD

View

B+

Retailer 8

£11,668 GBP

€14,889 EUR

View

B+

Retailer 9

£12,438 GBP

$16,666 USD

View

B+

Retailer 10

£12,896 GBP

View

B+

Retailer 11

£13,106 GBP

$17,560 USD

View

Retailer 12

£14,786 GBP

ZAR 320,063 ZAR

View

Retailer 13

£19,128 GBP

$25,630 USD

View

Most Expensive

Taylor and Hart

2FHWRBA · Oct 31

£22,561 GBP

$30,229 USD

View

13 more retailers have this diamond

Prices start from £5,026 GBPSave up to £17,535 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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4.66ct Asscher

£5,026 GBP