Heart|Lab Grown|IGI

1.86ct H VS1 Heart Lab Grown Diamond

ID • H/VS1 • IGI LG587316526

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG587316526

Diamond specifications and retailer prices

From £328 GBP

$440 USD

As of November 1, 2026

Save £1,101 GBP (77%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £1,429 GBP at MOH London · As of October 29, 2026

View at MOH London

About this 1.86ct lab-grown heart diamond

This 1.86ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG587316526 or 587316526. Listed at 17 retailers as of October 29, 2026, with prices from £328 to £1,429, a £1,101 spread on the same certified stone. MOH London lists it at £1,429. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG587316526

Dimensions8.58 × 7.71 × 4.91 mm

L/W Ratio1.11

Girdle conditionFaceted

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 LG587316526

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: Nov 1

Current: £1,429 GBP|Low: £281 GBP|High: £1,702 GBP|Avg: £760 GBP|+0.5%

MOH London

Retailer 2

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Retailer 11

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Retailer 16

November 2, 2026

Retailer 14£293 GBP

Retailer 4£328 GBP

Retailer 6£328 GBP

Retailer 15£363 GBP

Retailer 11£474 GBP

Retailer 10£572 GBP

Retailer 8£573 GBP

Retailer 3£577 GBP

Retailer 5£612 GBP

Retailer 2£627 GBP

Retailer 12£853 GBP

Retailer 13£871 GBP

Retailer 9£978 GBP

Retailer 16£1,169 GBP

Retailer 7£1,351 GBP

MOH London£1,429 GBP

28 data points across 16 retailers

17 retailers£328 GBP to £1,429 GBP

Retailer 1

£293 GBP

$393 USD

Price last confirmed 11 days ago

Retailer 2

£328 GBP

$440 USD

View

Final sale: no returns

Retailer 3

£328 GBP

$440 USD

View

Price last confirmed 12 days ago

Retailer 4

£363 GBP

$487 USD

View

Price last confirmed 16 days ago

Retailer 5

£363 GBP

$487 USD

View

Price last confirmed 11 days ago

Retailer 6

£474 GBP

$635 USD

View

Retailer 7

£572 GBP

$766 USD

View

B+

Retailer 8

£577 GBP

$773 USD

View

B+

Retailer 9

£612 GBP

$820 USD

View

B+

Retailer 10

£627 GBP

ZAR 13,580 ZAR

View

Retailer 11

£853 GBP

A$1,758 AUD

View

Price last confirmed 13 days ago

B+

Retailer 12

£871 GBP

$1,167 USD

View

Retailer 13

£978 GBP

$1,310 USD

View

Retailer 14

£1,169 GBP

$1,567 USD

View

Price last confirmed 11 days ago

Retailer 15

£1,197 GBP

$1,604 USD

View

Retailer 16

£1,351 GBP

$1,810 USD

View

Most Expensive

MOH London

LG587316526 · Oct 29

£1,429 GBP

View

16 more retailers have this diamond

Prices start from £328 GBPSave up to £1,101 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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1.86ct Heart

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