Heart|Lab Grown|IGI

0.99ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG823628488

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823628488

Diamond specifications and retailer prices

From £153 GBP

HK$1,600 HKD

As of November 1, 2026

Save £503 GBP (77%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: £656 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 0.99ct lab-grown heart diamond

This 0.99ct lab-grown heart sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823628488 or 823628488. Listed at 13 retailers as of November 1, 2026, with prices from £153 to £656, a £503 spread on the same certified stone. Brilliant Earth lists it at £656. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishVery Good

SymmetryVery Good

FluorescenceNone

Crown angle26.9°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG823628488

Dimensions7.34 × 6.00 × 4.08 mm

L/W Ratio1.22

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishVery Good

SymmetryVery Good

FluorescenceNone

CertificateIGI LG823628488

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: £656 GBP|Low: £153 GBP|High: £678 GBP|Avg: £343 GBP|-3.3%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

November 2, 2026

Retailer 3£153 GBP

Retailer 9£174 GBP

Retailer 10£232 GBP

Retailer 13£240 GBP

Retailer 4£250 GBP

Retailer 6£253 GBP

Retailer 11£290 GBP

Retailer 2£344 GBP

Retailer 8£368 GBP

Retailer 7£425 GBP

Retailer 5£475 GBP

Retailer 12£632 GBP

Brilliant Earth£656 GBP

27 data points across 13 retailers

13 retailers£153 GBP to £656 GBP

Cheapest Retailer

£153 GBP

HK$1,600 HKD

Retailer 2

£174 GBP

View

Retailer 3

£232 GBP

View

Retailer 4

£240 GBP

ZAR 5,208 ZAR

View

Price last confirmed 10 days ago

Retailer 5

£250 GBP

$335 USD

View

Price last confirmed 8 days ago

B+

Retailer 6

£253 GBP

$339 USD

View

Retailer 7

£290 GBP

View

Price last confirmed 7 days ago

B+

Retailer 8

£344 GBP

$462 USD

View

B+

Retailer 9

£368 GBP

SGD 668 SGD

View

Retailer 10

£425 GBP

$570 USD

View

Retailer 11

£475 GBP

$638 USD

View

Retailer 12

£632 GBP

View

Price last confirmed 7 days ago

Most Expensive

Brilliant Earth

21274246A · Nov 2

£656 GBP

$880 USD

View

12 more retailers have this diamond

Prices start from £153 GBPSave up to £503 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 0.99ct F VS1 heart lab-grown

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

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