Asscher|Lab Grown|IGI

12.53ct G VS1 Asscher Lab Grown Diamond

ID • G/VS1 • IGI LG627400106

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG627400106

Diamond specifications and retailer prices

From £3,554 GBP

As of October 30, 2026

Save £12,271 GBP (78%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £15,826 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 12.53ct lab-grown asscher diamond

This 12.53ct lab-grown asscher sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627400106 or 627400106. Listed at 16 retailers as of October 30, 2026, with prices from £3,554 to £15,826, a £12,271 spread on the same certified stone. Taylor and Hart lists it at £15,826. 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

12.53

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.9°

Pavilion angle36.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG627400106

Dimensions12.56 × 12.55 × 8.58 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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG627400106

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: £5,647 GBP|Low: £3,542 GBP|High: £13,919 GBP|Avg: £6,795 GBP|+0.4%

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

November 1, 2026

Retailer 8£3,554 GBP

Retailer 4£4,260 GBP

Retailer 6£4,364 GBP

Retailer 14£4,412 GBP

Retailer 3£4,426 GBP

Retailer 13£5,074 GBP

Retailer 1£5,647 GBP

Retailer 2£6,818 GBP

Retailer 9£6,830 GBP

Retailer 10£7,239 GBP

Retailer 11£7,569 GBP

Retailer 12£8,304 GBP

Retailer 5£12,268 GBP

Retailer 7£13,598 GBP

41 data points across 14 retailers

16 retailers£3,554 GBP to £15,826 GBP

Cheapest Retailer

£3,554 GBP

B+

Retailer 2

£4,260 GBP

$5,708 USD

View

Final sale: no returns

B+

Retailer 3

£4,364 GBP

$5,847 USD

View

Retailer 4

£4,412 GBP

$5,912 USD

View

Price last confirmed 19 days ago

B+

Retailer 5

£4,426 GBP

$5,930 USD

View

B+

Retailer 6

£5,074 GBP

$6,799 USD

View

B+

Retailer 7

£5,647 GBP

View

B+

Retailer 8

£6,244 GBP

View

Retailer 9

£6,818 GBP

$9,135 USD

View

Price last confirmed 11 days ago

B+

Retailer 10

£6,830 GBP

ZAR 147,834 ZAR

View

Retailer 11

£7,239 GBP

€9,237 EUR

View

Retailer 12

£7,569 GBP

$10,142 USD

View

Retailer 13

£8,304 GBP

$11,127 USD

View

Retailer 14

£12,268 GBP

$16,438 USD

View

Retailer 15

£13,598 GBP

$18,220 USD

View

Most Expensive

Taylor and Hart

6KRO725 · Oct 31

£15,826 GBP

$21,205 USD

View

15 more retailers have this diamond

Prices start from £3,554 GBPSave up to £12,271 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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12.53ct Asscher

£3,554 GBP