Asscher|Lab Grown|IGI

3.21ct F VS1 Asscher Lab Grown Diamond

ID • F/VS1 • IGI LG837650835

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG837650835

Diamond specifications and retailer prices

From £331 GBP

$444 USD

As of October 27, 2026

Save £2,161 GBP (87%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: £2,567 GBP at Brilliant Earth · As of September 29, 2026

View at Brilliant Earth

About this 3.21ct lab-grown asscher diamond

This 3.21ct lab-grown asscher sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837650835 or 837650835. Listed at 24 retailers as of October 27, 2026, with a 652% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.21

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle26.4°

Pavilion angle31.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG837650835

Dimensions8.36 × 8.30 × 5.05 mm

L/W Ratio1.01

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG837650835

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 27

Current: £2,493 GBP|Low: £327 GBP|High: £2,493 GBP|Avg: £964 GBP

Brilliant Earth

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October 28, 2026

Retailer 15£331 GBP

Retailer 10£371 GBP

Retailer 6£410 GBP

Retailer 8£410 GBP

Retailer 23£449 GBP

Retailer 17£471 GBP

Retailer 19£519 GBP

Retailer 21£625 GBP

Retailer 9£639 GBP

Retailer 11£645 GBP

Retailer 18£675 GBP

Retailer 20£867 GBP

Retailer 2£892 GBP

Retailer 7£980 GBP

Retailer 3£991 GBP

Retailer 14£1,302 GBP

Retailer 4£1,313 GBP

Retailer 5£1,320 GBP

Retailer 16£1,361 GBP

Retailer 12£1,472 GBP

Retailer 22£1,511 GBP

Retailer 13£2,305 GBP

Brilliant Earth£2,493 GBP

27 data points across 23 retailers

24 retailers£331 GBP to £2,493 GBP

Cheapest Retailer

£331 GBP

$444 USD

Retailer 2

£371 GBP

$497 USD

View

Final sale: no returns

Retailer 3

£410 GBP

$550 USD

View

Price last confirmed 7 days ago

Retailer 4

£410 GBP

$550 USD

View

Price last confirmed 7 days ago

Retailer 5

£449 GBP

HK$4,700 HKD

View

Retailer 6

£471 GBP

View

Retailer 7

£519 GBP

$695 USD

View

Retailer 8

£625 GBP

€797 EUR

View

Retailer 9

£639 GBP

$856 USD

View

B+

Retailer 10

£645 GBP

$864 USD

View

Retailer 11

£675 GBP

View

Retailer 12

£867 GBP

A$1,788 AUD

View

Retailer 13

£892 GBP

ZAR 19,302 ZAR

View

Retailer 14

£980 GBP

$1,313 USD

View

Retailer 15

£991 GBP

$1,328 USD

View

B+

Retailer 16

£1,302 GBP

SGD 2,358 SGD

View

B+

Retailer 17

£1,313 GBP

$1,759 USD

View

Retailer 18

£1,320 GBP

$1,769 USD

View

Price last confirmed 7 days ago

Retailer 19

£1,361 GBP

A$2,805 AUD

View

Price last confirmed 27 days ago

B+

Retailer 20

£1,472 GBP

$1,972 USD

View

B+

Retailer 21

£1,511 GBP

View

Retailer 22

£2,305 GBP

$3,088 USD

View

Retailer 23

£2,493 GBP

$3,340 USD

View

Most Expensive

Brilliant Earth

21578577A · Sep 29

£2,567 GBP

$3,440 USD

View

Price last confirmed 33 days ago

23 more retailers have this diamond

Prices start from £331 GBPSave up to £2,161 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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