Asscher|Lab Grown|IGI

10.31ct F VS1 Asscher Lab Grown Diamond

EX • F/VS1 • IGI LG611388317

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG611388317

Diamond specifications and retailer prices

From £2,105 GBP

$2,820 USD

As of November 1, 2026

Save £12,479 GBP (86%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £14,583 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 10.31ct lab-grown asscher diamond

This 10.31ct lab-grown asscher sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG611388317 or 611388317. Listed at 18 retailers as of October 31, 2026, with prices from £2,105 to £14,583, a £12,479 spread on the same certified stone. Brilliant Earth lists it at £14,583. 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

10.31

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle39.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG611388317

Dimensions11.78 × 11.78 × 8.00 mm

L/W Ratio1.00

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG611388317

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: £14,583 GBP|Low: £2,105 GBP|High: £15,039 GBP|Avg: £4,463 GBP|-3.0%

Brilliant Earth

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 5£2,105 GBP

Retailer 3£2,179 GBP

Retailer 4£2,479 GBP

Retailer 2£2,943 GBP

Retailer 12£2,973 GBP

Retailer 9£3,374 GBP

Retailer 14£3,397 GBP

Retailer 10£3,465 GBP

Retailer 7£4,039 GBP

Retailer 6£4,140 GBP

Retailer 11£5,334 GBP

Retailer 8£5,480 GBP

Retailer 13£5,820 GBP

Brilliant Earth£14,583 GBP

42 data points across 14 retailers

18 retailers£2,105 GBP to £14,583 GBP

Cheapest Retailer

£2,105 GBP

$2,820 USD

Final sale: no returns

Retailer 2

£2,179 GBP

$2,920 USD

View

Price last confirmed 20 days ago

Retailer 3

£2,302 GBP

$3,085 USD

View

Retailer 4

£2,479 GBP

$3,321 USD

View

Retailer 5

£2,943 GBP

View

Retailer 6

£2,973 GBP

$3,983 USD

View

Retailer 7

£3,374 GBP

ZAR 73,041 ZAR

View

Retailer 8

£3,397 GBP

$4,551 USD

View

Retailer 9

£3,465 GBP

€4,422 EUR

View

B+

Retailer 10

£4,039 GBP

A$8,325 AUD

View

B+

Retailer 11

£4,140 GBP

View

Retailer 12

£4,835 GBP

$6,479 USD

View

Price last confirmed 53 days ago

B+

Retailer 13

£5,334 GBP

$7,147 USD

View

B+

Retailer 14

£5,480 GBP

A$11,297 AUD

View

Retailer 15

£5,820 GBP

$7,798 USD

View

Retailer 16

£6,112 GBP

$8,190 USD

View

Retailer 17

£7,605 GBP

$10,190 USD

View

Most Expensive

Brilliant Earth

20602007A · Oct 31

£14,583 GBP

$19,540 USD

View

17 more retailers have this diamond

Prices start from £2,105 GBPSave up to £12,479 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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10.31ct Asscher

£2,105 GBP