Asscher|Lab Grown|IGI

3.28ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG743509434

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG743509434

Diamond specifications and retailer prices

From £2,055 GBP

$2,754 USD

As of October 30, 2026

Save £7,202 GBP (78%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: £9,257 GBP at With Clarity · As of October 30, 2026

View at With Clarity

About this 3.28ct lab-grown asscher diamond

This 3.28ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743509434 or 743509434. Listed at 30 retailers as of October 30, 2026, with prices from £2,055 to £9,257, a £7,202 spread on the same certified stone. With Clarity lists it at £9,257. 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

3.28

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.9°

Pavilion angle38.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG743509434

Dimensions8.09 × 8.08 × 5.13 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 LG743509434

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: £8,247 GBP|Low: £2,055 GBP|High: £9,374 GBP|Avg: £5,071 GBP|-12.0%

Retailer 1

Retailer 2

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Retailer 17

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Retailer 20

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Retailer 22

With Clarity

October 30, 2026

Retailer 5£2,055 GBP

Retailer 9£2,396 GBP

Retailer 3£2,504 GBP

Retailer 18£2,664 GBP

Retailer 22£2,873 GBP

Retailer 11£2,923 GBP

Retailer 12£3,220 GBP

Retailer 2£3,425 GBP

Retailer 6£3,599 GBP

Retailer 17£3,824 GBP

Retailer 14£4,117 GBP

Retailer 21£5,000 GBP

Retailer 20£5,392 GBP

Retailer 16£5,536 GBP

Retailer 4£5,763 GBP

Retailer 8£5,988 GBP

Retailer 19£6,050 GBP

Retailer 13£6,269 GBP

Retailer 7£6,972 GBP

Retailer 1£8,247 GBP

Retailer 15£8,309 GBP

Retailer 10£8,452 GBP

With Clarity£9,257 GBP

35 data points across 23 retailers

30 retailers£2,055 GBP to £9,257 GBP

Cheapest Retailer

£2,055 GBP

$2,754 USD

Retailer 2

£2,055 GBP

$2,754 USD

View

Price last confirmed 22 days ago

Retailer 3

£2,236 GBP

$2,996 USD

View

Price last confirmed 17 days ago

Retailer 4

£2,302 GBP

$3,084 USD

View

Price last confirmed 36 days ago

Retailer 5

£2,384 GBP

$3,194 USD

View

Price last confirmed 27 days ago

Retailer 6

£2,396 GBP

$3,210 USD

View

Retailer 7

£2,420 GBP

$3,243 USD

View

Price last confirmed 33 days ago

Retailer 8

£2,504 GBP

$3,355 USD

View

Retailer 9

£2,664 GBP

$3,570 USD

View

Final sale: no returns

Retailer 10

£2,873 GBP

$3,850 USD

View

Retailer 11

£2,923 GBP

HK$30,600 HKD

View

Retailer 12

£3,220 GBP

View

Retailer 13

£3,276 GBP

$4,390 USD

View

Retailer 14

£3,373 GBP

$4,520 USD

View

Price last confirmed 30 days ago

Retailer 15

£3,425 GBP

$4,589 USD

View

Retailer 16

£3,599 GBP

$4,822 USD

View

Retailer 17

£3,824 GBP

€4,880 EUR

View

B+

Retailer 18

£4,117 GBP

View

Retailer 19

£5,000 GBP

$6,700 USD

View

Price last confirmed 12 days ago

Retailer 20

£5,392 GBP

A$11,115 AUD

View

Price last confirmed 8 days ago

B+

Retailer 21

£5,536 GBP

ZAR 119,826 ZAR

View

Retailer 22

£5,763 GBP

A$11,880 AUD

View

Price last confirmed 22 days ago

B+

Retailer 23

£5,988 GBP

$8,023 USD

View

B+

Retailer 24

£6,050 GBP

View

B+

Retailer 25

£6,269 GBP

$8,399 USD

View

Retailer 26

£6,972 GBP

$9,342 USD

View

Retailer 27

£8,247 GBP

$11,050 USD

View

Retailer 28

£8,309 GBP

$11,133 USD

View

Retailer 29

£8,452 GBP

SGD 15,303 SGD

View

Most Expensive

With Clarity

743509434 · Oct 30

£9,257 GBP

$12,404 USD

View

29 more retailers have this diamond

Prices start from £2,055 GBPSave up to £7,202 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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3.28ct Asscher

£2,055 GBP