Heart|Lab Grown|IGI

1.66ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG537213280

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG537213280

Diamond specifications and retailer prices

From £166 GBP

$223 USD

As of November 2, 2026

Save £1,645 GBP (91%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £1,811 GBP at Do Amore Diamonds · As of November 1, 2026

View at Do Amore Diamonds

About this 1.66ct lab-grown heart diamond

This 1.66ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537213280 or 537213280. Listed at 20 retailers as of November 1, 2026, with prices from £166 to £1,811, a £1,645 spread on the same certified stone. Do Amore Diamonds lists it at £1,811. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG537213280

Dimensions7.53 × 8.10 × 4.73 mm

L/W Ratio1.08

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG537213280

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 2

Current: £1,595 GBP|Low: £161 GBP|High: £1,595 GBP|Avg: £539 GBP

Do Amore Diamonds

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November 2, 2026

Retailer 5£166 GBP

Retailer 18£193 GBP

Retailer 16£206 GBP

Retailer 17£206 GBP

Retailer 19£326 GBP

Retailer 6£351 GBP

Retailer 14£372 GBP

Retailer 12£393 GBP

Retailer 2£432 GBP

Retailer 3£455 GBP

Retailer 15£530 GBP

Retailer 7£665 GBP

Retailer 11£731 GBP

Retailer 9£838 GBP

Retailer 4£858 GBP

Retailer 10£872 GBP

Retailer 8£884 GBP

Retailer 13£911 GBP

Do Amore Diamonds£1,595 GBP

43 data points across 19 retailers

20 retailers£166 GBP to £1,811 GBP

Cheapest Retailer

£166 GBP

$223 USD

Retailer 2

£193 GBP

$259 USD

View

Retailer 3

£206 GBP

$276 USD

View

Retailer 4

£206 GBP

$276 USD

View

Price last confirmed 8 days ago

Retailer 5

£326 GBP

$438 USD

View

B+

Retailer 6

£351 GBP

$471 USD

View

Retailer 7

£372 GBP

€475 EUR

View

Retailer 8

£393 GBP

ZAR 8,510 ZAR

View

Retailer 9

£432 GBP

View

Retailer 10

£455 GBP

$611 USD

View

B+

Retailer 11

£530 GBP

A$1,094 AUD

View

Retailer 12

£665 GBP

$892 USD

View

B+

Retailer 13

£731 GBP

$981 USD

View

Retailer 14

£838 GBP

$1,124 USD

View

Retailer 15

£858 GBP

$1,152 USD

View

Retailer 16

£872 GBP

$1,170 USD

View

Retailer 17

£884 GBP

SGD 1,603 SGD

View

Retailer 18

£911 GBP

View

Retailer 19

£1,595 GBP

$2,140 USD

View

Most Expensive

Do Amore Diamonds

23-537213280 · Nov 1

£1,811 GBP

$2,430 USD

View

19 more retailers have this diamond

Prices start from £166 GBPSave up to £1,645 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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1.66ct Heart

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