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Heart|Lab Grown|IGI

4.20ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG792615984

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792615984

Diamond specifications and retailer prices

From €2,351 EUR
£2,068 GBP
As of October 30, 2026
Save €11,433 EUR (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €13,965 EUR at Novita Diamonds · As of October 8, 2026
View at Novita 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792615984 or 792615984. Listed at 26 retailers as of October 30, 2026, with a 486% 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792615984
Dimensions9.75 × 11.39 × 6.52 mm
L/W Ratio1.17
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
Top View
9.75 mm11.39 mm4.20 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792615984
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 57.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €13,965 EUR|Low: €2,329 EUR|High: €14,848 EUR|Avg: €5,678 EUR|-5.6%
Novita 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
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 13€2,351 EUR
Retailer 4€2,427 EUR
Retailer 11€2,717 EUR
Retailer 6€2,814 EUR
Retailer 8€2,814 EUR
Retailer 10€2,866 EUR
Retailer 3€2,958 EUR
Retailer 17€3,265 EUR
Retailer 20€3,651 EUR
Retailer 14€3,802 EUR
Retailer 7€3,869 EUR
Retailer 18€4,151 EUR
Retailer 9€5,372 EUR
Retailer 15€5,991 EUR
Retailer 19€6,039 EUR
Retailer 5€7,154 EUR
Retailer 16€7,575 EUR
Retailer 2€10,294 EUR
Retailer 12€13,509 EUR
Novita Diamonds€13,965 EUR

34 data points across 20 retailers

26 retailers€2,351 EUR to €13,784 EUR

A
Cheapest Retailer
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€2,351 EUR
£2,068 GBP
A
Retailer 2
-
€2,427 EUR
$2,711 USD
View
A
Retailer 3
-
€2,640 EUR
$2,949 USD
View
A
Retailer 4
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€2,717 EUR
$3,035 USD
View
Final sale: no returns
Retailer 5
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€2,814 EUR
$3,144 USD
View
Price last confirmed 18 days ago
A
Retailer 6
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€2,814 EUR
$3,144 USD
View
A
Retailer 7
-
€2,866 EUR
$3,202 USD
View
A
Retailer 8
-
€2,958 EUR
$3,305 USD
View
A
Retailer 9
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€3,265 EUR
HK$28,500 HKD
View
A
Retailer 10
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€3,651 EUR
$4,079 USD
View
A
Retailer 11
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€3,802 EUR
£3,344 GBP
View
A
Retailer 12
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€3,869 EUR
$4,322 USD
View
A
Retailer 13
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€4,151 EUR
$4,638 USD
View
A
Retailer 14
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€5,372 EUR
$6,002 USD
View
A
Retailer 15
-
€5,991 EUR
ZAR 108,128 ZAR
View
Retailer 16
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€6,039 EUR
A$10,380 AUD
View
Price last confirmed 8 days ago
A
Retailer 17
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€7,070 EUR
$7,899 USD
View
A
Retailer 18
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€7,154 EUR
$7,993 USD
View
A
Retailer 19
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€7,575 EUR
£6,664 GBP
View
B+
Retailer 20
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€7,856 EUR
$8,777 USD
View
Retailer 21
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€8,435 EUR
£7,420 GBP
View
Price last confirmed 21 days ago
B+
Retailer 22
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€9,439 EUR
SGD 14,250 SGD
View
B+
Retailer 23
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€9,812 EUR
$10,962 USD
View
B+
Retailer 24
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€10,294 EUR
$11,500 USD
View
B
Retailer 25
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€13,784 EUR
$15,400 USD
View
Most Expensive
Novita Diamonds
cert_792615984 · Oct 8
€13,965 EUR
A$24,002 AUD
View
Price last confirmed 22 days ago
25 more retailers have this diamond
Prices start from €2,351 EURSave up to €11,433 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
€2,351 EUR