Heart|Lab Grown|IGI

3.97ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG811636570

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811636570

Diamond specifications and retailer prices

From €1,713 EUR

$1,921 USD

As of November 2, 2026

Save €5,245 EUR (75%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: €6,957 EUR at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 3.97ct lab-grown heart diamond

This 3.97ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811636570 or 811636570. Listed at 20 retailers as of October 31, 2026, with prices from €1,713 to €6,957, a €5,245 spread on the same certified stone. Taylor and Hart lists it at €6,957. 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

3.97

Carat

Color

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.8°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG811636570

Dimensions10.75 × 10.82 × 6.22 mm

L/W Ratio1.01

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG811636570

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: €4,618 EUR|Low: €1,644 EUR|High: €10,619 EUR|Avg: €3,852 EUR|+2.5%

Retailer 1

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 3, 2026

Retailer 2€1,713 EUR

Retailer 3€1,986 EUR

Retailer 11€2,135 EUR

Retailer 5€2,212 EUR

Retailer 6€2,706 EUR

Retailer 12€2,833 EUR

Retailer 13€3,262 EUR

Retailer 10€3,461 EUR

Retailer 8€4,487 EUR

Retailer 1€4,618 EUR

Retailer 4€5,353 EUR

Retailer 7€5,674 EUR

Retailer 9€6,339 EUR

43 data points across 13 retailers

20 retailers€1,713 EUR to €6,957 EUR

Cheapest Retailer

€1,713 EUR

$1,921 USD

B+

Retailer 2

€1,863 EUR

$2,090 USD

View

B+

Retailer 3

€1,917 EUR

$2,150 USD

View

Final sale: no returns

B+

Retailer 4

€1,986 EUR

$2,228 USD

View

Retailer 5

€1,986 EUR

$2,228 USD

View

Price last confirmed 23 days ago

B+

Retailer 6

€2,135 EUR

$2,395 USD

View

B+

Retailer 7

€2,212 EUR

$2,481 USD

View

B+

Retailer 8

€2,706 EUR

£2,390 GBP

View

B+

Retailer 9

€2,833 EUR

$3,178 USD

View

Retailer 10

€3,115 EUR

$3,494 USD

View

Retailer 11

€3,262 EUR

$3,659 USD

View

B+

Retailer 12

€3,461 EUR

View

Retailer 13

€3,724 EUR

$4,177 USD

View

Retailer 14

€4,487 EUR

A$7,742 AUD

View

Retailer 15

€4,618 EUR

ZAR 83,675 ZAR

View

Retailer 16

€5,353 EUR

$6,004 USD

View

Retailer 17

€5,674 EUR

£5,011 GBP

View

Retailer 18

€5,961 EUR

$6,686 USD

View

Retailer 19

€6,339 EUR

$7,110 USD

View

Most Expensive

Taylor and Hart

MTXH3X8 · Oct 31

€6,957 EUR

$7,803 USD

View

19 more retailers have this diamond

Prices start from €1,713 EURSave up to €5,245 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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3.97ct Heart

€1,713 EUR