Heart|Lab Grown|IGI

3.17ct I VS1 Heart Lab Grown Diamond

ID • I/VS1 • IGI LG570363689

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG570363689

Diamond specifications and retailer prices

From £344 GBP

$462 USD

As of November 2, 2026

Save £1,362 GBP (80%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £1,706 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.17ct lab-grown heart diamond

This 3.17ct lab-grown heart sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG570363689 or 570363689. Listed at 16 retailers as of October 31, 2026, with prices from £344 to £1,706, a £1,362 spread on the same certified stone. Brilliant Earth lists it at £1,706. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.17

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle31.5°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG570363689

Dimensions9.25 × 10.28 × 5.82 mm

L/W Ratio1.11

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG570363689

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: £1,706 GBP|Low: £294 GBP|High: £2,854 GBP|Avg: £889 GBP|-40.2%

Brilliant Earth

Retailer 2

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November 2, 2026

Retailer 10£294 GBP

Retailer 8£325 GBP

Retailer 15£344 GBP

Retailer 18£386 GBP

Retailer 16£427 GBP

Retailer 7£467 GBP

Retailer 14£507 GBP

Retailer 12£568 GBP

Retailer 4£653 GBP

Retailer 9£754 GBP

Retailer 5£899 GBP

Retailer 2£927 GBP

Retailer 13£986 GBP

Retailer 3£1,343 GBP

Retailer 17£1,373 GBP

Retailer 6£1,396 GBP

Retailer 11£1,569 GBP

Brilliant Earth£1,706 GBP

24 data points across 18 retailers

16 retailers£344 GBP to £1,706 GBP

Cheapest Retailer

£344 GBP

$462 USD

Retailer 2

£386 GBP

$518 USD

View

Retailer 3

£427 GBP

$573 USD

View

Retailer 4

£427 GBP

$573 USD

View

Price last confirmed 17 days ago

Retailer 5

£467 GBP

HK$4,900 HKD

View

Retailer 6

£507 GBP

$680 USD

View

B+

Retailer 7

£568 GBP

$762 USD

View

Retailer 8

£653 GBP

$876 USD

View

B+

Retailer 9

£899 GBP

$1,207 USD

View

B+

Retailer 10

£927 GBP

ZAR 20,102 ZAR

View

B+

Retailer 11

£986 GBP

$1,323 USD

View

Retailer 12

£1,343 GBP

SGD 2,436 SGD

View

Retailer 13

£1,373 GBP

$1,843 USD

View

Retailer 14

£1,396 GBP

$1,873 USD

View

Retailer 15

£1,569 GBP

View

Most Expensive

Brilliant Earth

14233871A · Oct 31

£1,706 GBP

$2,290 USD

View

15 more retailers have this diamond

Prices start from £344 GBPSave up to £1,362 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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3.17ct Heart

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