Round|Lab Grown|IGI

2.57ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG476186868

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476186868

Diamond specifications and retailer prices

From £1,795 GBP

$2,390 USD

As of October 29, 2026

Save £5,556 GBP (76%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: £7,351 GBP at Cape Diamonds · As of October 29, 2026

View at Cape Diamonds

About this 2.57ct lab-grown round diamond

This 2.57ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG476186868 or 476186868. Listed at 12 retailers as of October 29, 2026, with prices from £1,795 to £7,351, a £5,556 spread on the same certified stone. Cape Diamonds lists it at £7,351. 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

2.57

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG476186868

Dimensions8.74 × 8.78 × 5.34 mm

L/W Ratio1.00

Girdle conditionFaceted

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 LG476186868

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 29

Current: £7,351 GBP|Low: £1,795 GBP|High: £7,691 GBP|Avg: £4,467 GBP|-4.4%

Cape Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

October 29, 2026

Retailer 3£1,795 GBP

Retailer 6£2,751 GBP

Retailer 7£2,966 GBP

Retailer 8£3,317 GBP

Retailer 4£3,931 GBP

Retailer 5£4,424 GBP

Retailer 9£6,407 GBP

Retailer 2£7,262 GBP

Cape Diamonds£7,351 GBP

18 data points across 9 retailers

12 retailers£1,795 GBP to £7,351 GBP

Cheapest Retailer

£1,795 GBP

$2,390 USD

B+

Retailer 2

£2,457 GBP

$3,272 USD

View

B+

Retailer 3

£2,673 GBP

$3,560 USD

View

B+

Retailer 4

£2,751 GBP

$3,664 USD

View

Final sale: no returns

Retailer 5

£2,850 GBP

$3,795 USD

View

Price last confirmed 17 days ago

B+

Retailer 6

£2,850 GBP

$3,795 USD

View

B+

Retailer 7

£2,966 GBP

$3,950 USD

View

B+

Retailer 8

£3,561 GBP

$4,742 USD

View

Retailer 9

£3,931 GBP

$5,235 USD

View

Retailer 10

£4,424 GBP

$5,891 USD

View

Retailer 11

£7,262 GBP

View

Most Expensive

Cape Diamonds

cert_476186868 · Oct 29

£7,351 GBP

ZAR 158,150 ZAR

View

11 more retailers have this diamond

Prices start from £1,795 GBPSave up to £5,556 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.

Similar diamonds

2.57ct Round

£1,795 GBP