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Heart|Lab Grown|IGI

4.20ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG728568190

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG728568190

Diamond specifications and retailer prices

From €2,027 EUR
$2,273 USD
As of November 1, 2026
Save €4,437 EUR (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €12,446 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.2ct lab-grown heart diamond

This 4.2ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728568190 or 728568190. Listed at 12 retailers as of October 31, 2026, with a 219% 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

4.20
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728568190
Dimensions11.20 × 9.99 × 6.52 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm9.99 mm4.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728568190
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
A
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 1
Current: €12,446 EUR|Low: €1,698 EUR|High: €14,595 EUR|Avg: €4,948 EUR|-14.7%
Do Amore Diamonds
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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 15€2,027 EUR
Retailer 17€2,076 EUR
Retailer 12€2,247 EUR
Retailer 14€2,249 EUR
Retailer 3€2,949 EUR
Retailer 4€3,011 EUR
Retailer 13€3,367 EUR
Retailer 8€3,635 EUR
Retailer 6€3,748 EUR
Retailer 5€4,421 EUR
Retailer 10€4,964 EUR
Retailer 16€5,750 EUR
Retailer 9€6,002 EUR
Retailer 2€6,287 EUR
Retailer 7€6,382 EUR
Retailer 11€6,464 EUR
Do Amore Diamonds€12,446 EUR

20 data points across 17 retailers

12 retailers€2,027 EUR to €6,464 EUR

B+
Cheapest Retailer
-
€2,027 EUR
$2,273 USD
Final sale: no returns
A
Retailer 2
-
€2,076 EUR
$2,328 USD
View
B+
Retailer 3
-
€2,247 EUR
$2,520 USD
View
B+
Retailer 4
-
€2,249 EUR
$2,523 USD
View
B+
Retailer 5
-
€2,949 EUR
$3,308 USD
View
B+
Retailer 6
-
€3,011 EUR
$3,377 USD
View
B
Retailer 7
-
€3,367 EUR
$3,776 USD
View
B
Retailer 8
-
€4,964 EUR
A$8,565 AUD
View
B
Retailer 9
-
€5,750 EUR
$6,450 USD
View
B
Retailer 10
-
€6,287 EUR
£5,552 GBP
View
B
Retailer 11
-
€6,464 EUR
A$11,154 AUD
View
Most Expensive
Do Amore Diamonds
27-2A287F492 · Nov 2
€12,446 EUR
$13,960 USD
View
Price under review
11 more retailers have this diamond
Prices start from €2,027 EURSave up to €4,437 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.

A
4.20ct Heart
€2,027 EUR