Heart|Lab Grown|IGI

1.71ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG519242290

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG519242290

Diamond specifications and retailer prices

From £240 GBP

$321 USD

As of October 30, 2026

Save £959 GBP (80%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £1,199 GBP at MOH London · As of October 29, 2026

View at MOH London

About this 1.71ct lab-grown heart diamond

This 1.71ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG519242290 or 519242290. Listed at 23 retailers as of October 29, 2026, with prices from £240 to £1,199, a £959 spread on the same certified stone. MOH London lists it at £1,199. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.2°

Pavilion angle39.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG519242290

Dimensions7.11 × 8.37 × 5.03 mm

L/W Ratio1.18

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG519242290

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: Oct 30

Current: £1,199 GBP|Low: £231 GBP|High: £1,207 GBP|Avg: £571 GBP|-0.5%

MOH London

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

October 31, 2026

Retailer 11£240 GBP

Retailer 6£269 GBP

Retailer 3£298 GBP

Retailer 14£298 GBP

Retailer 8£403 GBP

Retailer 7£414 GBP

Retailer 5£496 GBP

Retailer 10£511 GBP

Retailer 2£531 GBP

Retailer 9£693 GBP

Retailer 13£872 GBP

Retailer 12£956 GBP

Retailer 4£1,052 GBP

MOH London£1,199 GBP

44 data points across 14 retailers

23 retailers£240 GBP to £1,199 GBP

Retailer 1

£240 GBP

$321 USD

Price last confirmed 31 days ago

Retailer 2

£240 GBP

$321 USD

View

Retailer 3

£269 GBP

$360 USD

View

Final sale: no returns

Retailer 4

£278 GBP

$373 USD

View

Price last confirmed 32 days ago

Retailer 5

£293 GBP

$393 USD

View

Price last confirmed 34 days ago

Retailer 6

£298 GBP

$399 USD

View

Retailer 7

£298 GBP

$399 USD

View

Retailer 8

£325 GBP

HK$3,400 HKD

View

Retailer 9

£403 GBP

$540 USD

View

Retailer 10

£414 GBP

$555 USD

View

B+

Retailer 11

£496 GBP

$664 USD

View

B+

Retailer 12

£503 GBP

$674 USD

View

B+

Retailer 13

£511 GBP

ZAR 11,065 ZAR

View

B+

Retailer 14

£531 GBP

View

B+

Retailer 15

£693 GBP

A$1,429 AUD

View

Retailer 16

£872 GBP

$1,169 USD

View

Retailer 17

£950 GBP

SGD 1,721 SGD

View

Retailer 18

£956 GBP

$1,281 USD

View

Retailer 19

£990 GBP

$1,326 USD

View

Retailer 20

£1,052 GBP

$1,409 USD

View

Retailer 21

£1,144 GBP

$1,533 USD

View

Retailer 22

£1,180 GBP

$1,581 USD

View

Most Expensive

MOH London

LG519242290 · Oct 29

£1,199 GBP

View

22 more retailers have this diamond

Prices start from £240 GBPSave up to £959 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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