Heart|Lab Grown|IGI

5.51ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG729590114

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG729590114

Diamond specifications and retailer prices

From €1,246 EUR

£1,096 GBP

As of October 26, 2026

Save €2,843 EUR (70%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: €13,408 EUR at Brilliant Earth · As of October 24, 2026

View at Brilliant Earth

About this 5.51ct lab-grown heart diamond

This 5.51ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729590114 or 729590114. Listed at 23 retailers as of October 26, 2026, with a 228% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.51

Carat

Color

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG729590114

Dimensions12.23 × 10.86 × 7.15 mm

L/W Ratio1.13

Girdle conditionFaceted

Culet sizePointed

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

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG729590114

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 26

Current: €13,408 EUR|Low: €968 EUR|High: €13,820 EUR|Avg: €2,952 EUR|-3.0%

Brilliant Earth

Retailer 2

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Retailer 23

October 26, 2026

Retailer 4€1,008 EUR

Retailer 22€1,096 EUR

Retailer 12€1,128 EUR

Retailer 6€1,169 EUR

Retailer 9€1,169 EUR

Retailer 13€1,246 EUR

Retailer 23€1,325 EUR

Retailer 7€1,485 EUR

Retailer 2€1,734 EUR

Retailer 20€1,859 EUR

Retailer 15€2,191 EUR

Retailer 17€2,227 EUR

Retailer 8€2,303 EUR

Retailer 19€2,353 EUR

Retailer 21€2,367 EUR

Retailer 5€3,230 EUR

Retailer 11€3,296 EUR

Retailer 10€3,540 EUR

Retailer 18€3,760 EUR

Retailer 16€4,089 EUR

Retailer 14€4,230 EUR

Retailer 3€5,747 EUR

Brilliant Earth€13,408 EUR

28 data points across 23 retailers

23 retailers€1,246 EUR to €4,089 EUR

Retailer 1

€1,008 EUR

$1,126 USD

Price last confirmed 9 days ago

Retailer 2

€1,096 EUR

$1,225 USD

View

Price last confirmed 8 days ago

Retailer 3

€1,169 EUR

$1,306 USD

View

Price last confirmed 7 days ago

Retailer 4

€1,169 EUR

$1,306 USD

View

Price last confirmed 15 days ago

Retailer 5

€1,246 EUR

£1,096 GBP

View

Retailer 6

€1,325 EUR

$1,480 USD

View

Price last confirmed 6 days ago

Retailer 7

€1,485 EUR

$1,659 USD

View

Retailer 8

€1,734 EUR

£1,526 GBP

View

Retailer 9

€1,859 EUR

$2,077 USD

View

Price last confirmed 9 days ago

B+

Retailer 10

€2,191 EUR

$2,448 USD

View

Price last confirmed 7 days ago

B+

Retailer 11

€2,227 EUR

A$3,828 AUD

View

B+

Retailer 12

€2,303 EUR

$2,573 USD

View

Retailer 13

€2,353 EUR

ZAR 42,464 ZAR

View

Price last confirmed 8 days ago

Retailer 14

€2,367 EUR

A$4,068 AUD

View

Price last confirmed 11 days ago

B+

Retailer 15

€3,230 EUR

$3,609 USD

View

B+

Retailer 16

€3,296 EUR

$3,682 USD

View

Price last confirmed 7 days ago

B+

Retailer 17

€3,384 EUR

$3,781 USD

View

Retailer 18

€3,540 EUR

$3,955 USD

View

Price last confirmed 7 days ago

Retailer 19

€3,760 EUR

£3,308 GBP

View

Price last confirmed 7 days ago

Retailer 20

€4,089 EUR

$4,568 USD

View

Retailer 21

€4,230 EUR

$4,726 USD

View

Price last confirmed 8 days ago

Retailer 22

€5,747 EUR

A$9,878 AUD

View

Price last confirmed 24 days ago

Most Expensive

Brilliant Earth

15638192A · Oct 24

€13,408 EUR

$14,980 USD

View

Price under review

22 more retailers have this diamond

Prices start from €1,246 EURSave up to €2,843 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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5.51ct Heart

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