Heart|Lab Grown|IGI

1.45ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG598377008

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598377008

Diamond specifications and retailer prices

From £217 GBP

$291 USD

As of October 30, 2026

Save £890 GBP (80%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £1,107 GBP at Reve Diamonds · As of October 30, 2026

View at Reve Diamonds

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG598377008 or 598377008. Listed at 19 retailers as of October 30, 2026, with prices from £217 to £1,107, a £890 spread on the same certified stone. Reve Diamonds lists it at £1,107. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle39°

OriginLab Grown

Grading LabIGI

CertificateIGI LG598377008

Dimensions6.78 × 8.05 × 4.58 mm

L/W Ratio1.19

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 LG598377008

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 30

Current: £476 GBP|Low: £208 GBP|High: £1,091 GBP|Avg: £515 GBP|+3.2%

Retailer 1

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October 31, 2026

Retailer 16£217 GBP

Retailer 7£243 GBP

Retailer 3£269 GBP

Retailer 5£269 GBP

Retailer 9£330 GBP

Retailer 15£362 GBP

Retailer 12£384 GBP

Retailer 6£461 GBP

Retailer 11£462 GBP

Retailer 1£476 GBP

Retailer 8£591 GBP

Retailer 10£656 GBP

Retailer 14£671 GBP

Retailer 4£865 GBP

Retailer 2£1,045 GBP

Retailer 13£1,080 GBP

43 data points across 16 retailers

19 retailers£217 GBP to £1,107 GBP

Cheapest Retailer

£217 GBP

$291 USD

Retailer 2

£243 GBP

$325 USD

View

Final sale: no returns

Retailer 3

£252 GBP

$337 USD

View

Retailer 4

£269 GBP

$360 USD

View

Retailer 5

£269 GBP

$360 USD

View

Retailer 6

£330 GBP

View

Retailer 7

£362 GBP

$485 USD

View

Retailer 8

£384 GBP

$515 USD

View

B+

Retailer 9

£461 GBP

$618 USD

View

B+

Retailer 10

£462 GBP

ZAR 10,006 ZAR

View

B+

Retailer 11

£476 GBP

View

B+

Retailer 12

£591 GBP

$792 USD

View

B+

Retailer 13

£656 GBP

A$1,353 AUD

View

Retailer 14

£671 GBP

$899 USD

View

Retailer 15

£865 GBP

$1,159 USD

View

Retailer 16

£901 GBP

$1,207 USD

View

Retailer 17

£1,045 GBP

$1,400 USD

View

Price last confirmed 23 days ago

Retailer 18

£1,080 GBP

View

Most Expensive

Reve Diamonds

1E5C1C969 · Oct 30

£1,107 GBP

$1,483 USD

View

18 more retailers have this diamond

Prices start from £217 GBPSave up to £890 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.

Where to buy this spec

See every retailer carrying 1.45ct E VVS1 heart lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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