Heart|Lab Grown|IGI

1.66ct G VS2 Heart Lab Grown Diamond

EX • G/VS2 • IGI LG536207228

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG536207228

Diamond specifications and retailer prices

From £268 GBP

$360 USD

As of November 1, 2026

Save £1,069 GBP (80%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £1,337 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG536207228 or 536207228. Listed at 14 retailers as of October 31, 2026, with prices from £268 to £1,337, a £1,069 spread on the same certified stone. Taylor and Hart lists it at £1,337. 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

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.6°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG536207228

Dimensions7.13 × 8.42 × 4.89 mm

L/W Ratio1.18

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 LG536207228

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: £530 GBP|Low: £192 GBP|High: £1,337 GBP|Avg: £680 GBP|+3.1%

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

Retailer 15

Taylor and Hart

November 2, 2026

Retailer 11£239 GBP

Retailer 3£268 GBP

Retailer 2£278 GBP

Retailer 12£297 GBP

Retailer 5£442 GBP

Retailer 9£443 GBP

Retailer 15£481 GBP

Retailer 1£530 GBP

Retailer 7£614 GBP

Retailer 6£660 GBP

Retailer 10£870 GBP

Retailer 14£954 GBP

Retailer 4£1,075 GBP

Retailer 13£1,140 GBP

Retailer 8£1,190 GBP

Taylor and Hart£1,337 GBP

44 data points across 16 retailers

14 retailers£268 GBP to £1,337 GBP

Retailer 1

£239 GBP

$321 USD

Price last confirmed 14 days ago

Retailer 2

£268 GBP

$360 USD

View

Final sale: no returns

Retailer 3

£278 GBP

$373 USD

View

Price last confirmed 18 days ago

Retailer 4

£297 GBP

$398 USD

View

Price last confirmed 13 days ago

B+

Retailer 5

£442 GBP

$593 USD

View

Retailer 6

£443 GBP

$595 USD

View

B+

Retailer 7

£481 GBP

$646 USD

View

B+

Retailer 8

£530 GBP

View

Retailer 9

£870 GBP

$1,168 USD

View

Retailer 10

£954 GBP

$1,280 USD

View

Price last confirmed 13 days ago

Retailer 11

£1,075 GBP

SGD 1,949 SGD

View

Retailer 12

£1,140 GBP

$1,530 USD

View

Retailer 13

£1,190 GBP

View

Most Expensive

Taylor and Hart

91OULTX · Oct 31

£1,337 GBP

$1,795 USD

View

13 more retailers have this diamond

Prices start from £268 GBPSave up to £1,069 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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