Heart|Lab Grown|IGI

2.31ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG512220503

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG512220503

Diamond specifications and retailer prices

From €1,531 EUR

$1,710 USD

As of October 31, 2026

Save €6,777 EUR (82%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €8,307 EUR at MOH London · As of October 29, 2026

View at MOH London

About this 2.31ct lab-grown heart diamond

This 2.31ct lab-grown heart sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512220503 or 512220503. Listed at 13 retailers as of October 29, 2026, with prices from €1,531 to €8,307, a €6,777 spread on the same certified stone. MOH London lists it at €8,307. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.31

Carat

Color

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryVery Good

FluorescenceNone

Crown angle36.4°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG512220503

Dimensions9.09 × 8.19 × 5.44 mm

L/W Ratio1.11

Girdle conditionFaceted

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

SymmetryVery Good

FluorescenceNone

CertificateIGI LG512220503

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: €8,307 EUR|Low: €1,531 EUR|High: €8,373 EUR|Avg: €4,654 EUR|-0.5%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

November 1, 2026

Retailer 6€1,531 EUR

Retailer 8€3,325 EUR

Retailer 12€3,618 EUR

Retailer 4€3,724 EUR

Retailer 3€3,858 EUR

Retailer 9€3,858 EUR

Retailer 11€4,820 EUR

Retailer 5€5,004 EUR

Retailer 2€5,210 EUR

Retailer 7€5,217 EUR

Retailer 10€5,978 EUR

MOH London€8,307 EUR

44 data points across 12 retailers

13 retailers€1,531 EUR to €8,307 EUR

B+

Cheapest Retailer

€1,531 EUR

$1,710 USD

Retailer 2

€3,325 EUR

$3,715 USD

View

Retailer 3

€3,618 EUR

$4,042 USD

View

Retailer 4

€3,724 EUR

$4,161 USD

View

Final sale: no returns

Retailer 5

€3,858 EUR

$4,310 USD

View

Retailer 6

€3,858 EUR

$4,310 USD

View

Price last confirmed 20 days ago

Retailer 7

€3,997 EUR

$4,465 USD

View

Retailer 8

€4,820 EUR

$5,385 USD

View

Retailer 9

€5,004 EUR

£4,402 GBP

View

Retailer 10

€5,210 EUR

£4,583 GBP

View

Retailer 11

€5,217 EUR

$5,828 USD

View

Retailer 12

€5,978 EUR

$6,679 USD

View

Most Expensive

MOH London

LG512220503 · Oct 29

€8,307 EUR

£7,308 GBP

View

12 more retailers have this diamond

Prices start from €1,531 EURSave up to €6,777 EUR

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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B+

2.31ct Heart

€1,531 EUR