Heart|Lab Grown|IGI

1.01ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG567351520

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG567351520

Diamond specifications and retailer prices

From €517 EUR

A$888 AUD

As of October 31, 2026

13 retailers carry this diamond

Most expensive: €829 EUR at MOH London · As of October 4, 2026

View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567351520 or 567351520. Listed at 13 retailers as of October 31, 2026. 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

1.01

Carat

Color

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.4°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG567351520

Dimensions7.01 × 6.33 × 4.03 mm

L/W Ratio1.11

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 LG567351520

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

Unlock full score analysis

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

Price History

Last verified: Oct 31

Current: €829 EUR|Low: €134 EUR|High: €1,226 EUR|Avg: €466 EUR|-11.5%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

October 31, 2026

Retailer 11€143 EUR

Retailer 3€222 EUR

Retailer 10€226 EUR

Retailer 12€300 EUR

Retailer 9€306 EUR

Retailer 4€343 EUR

Retailer 6€358 EUR

Retailer 14€378 EUR

Retailer 7€488 EUR

Retailer 2€517 EUR

Retailer 8€564 EUR

Retailer 5€655 EUR

MOH London€829 EUR

Retailer 13€1,226 EUR

20 data points across 14 retailers

13 retailers

Retailer 1

€158 EUR

$177 USD

Price last confirmed 28 days ago

Retailer 2

€162 EUR

$181 USD

View

Price last confirmed 29 days ago

Retailer 3

€169 EUR

$189 USD

View

Price last confirmed 32 days ago

Retailer 4

€196 EUR

$219 USD

View

Price last confirmed 33 days ago

Retailer 5

€207 EUR

$231 USD

View

Price last confirmed 34 days ago

Retailer 6

€332 EUR

HK$2,900 HKD

View

Price last confirmed 58 days ago

Retailer 7

€343 EUR

£302 GBP

View

Price last confirmed 27 days ago

Retailer 8

€358 EUR

$400 USD

View

Price last confirmed 29 days ago

Retailer 9

€488 EUR

$545 USD

View

Price last confirmed 26 days ago

Retailer 10

€517 EUR

A$888 AUD

View

Retailer 11

€655 EUR

SGD 989 SGD

View

Price last confirmed 27 days ago

Retailer 12

€743 EUR

$830 USD

View

Price last confirmed 31 days ago

Most Expensive

MOH London

LG567351520 · Oct 4

€829 EUR

£729 GBP

View

Price last confirmed 28 days ago

12 more retailers have this diamond

Prices start from €517 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.

Similar diamonds

1.01ct Heart

€517 EUR