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Heart|Lab Grown|IGI

4.18ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG754594326

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754594326

Diamond specifications and retailer prices

From €2,794 EUR
$3,121 USD
As of November 2, 2026
Save €19,548 EUR (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €22,342 EUR at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 4.18ct lab-grown heart diamond

This 4.18ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594326 or 754594326. Listed at 15 retailers as of November 1, 2026, with prices from €2,794 to €22,342, a €19,548 spread on the same certified stone. Novita Diamonds lists it at €22,342. 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

4.18
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594326
Dimensions10.26 × 10.84 × 6.47 mm
L/W Ratio1.06
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
10.26 mm10.84 mm4.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594326
Side View
Table 58.0%Crown 36.5°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 59.7%

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: Nov 2
Current: €22,342 EUR|Low: €2,731 EUR|High: €25,100 EUR|Avg: €8,158 EUR|-1.3%
Novita Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 1, 2026
Retailer 14€2,794 EUR
Retailer 6€3,040 EUR
Retailer 16€3,165 EUR
Retailer 7€3,187 EUR
Retailer 5€3,383 EUR
Retailer 11€3,959 EUR
Retailer 4€4,470 EUR
Retailer 17€4,560 EUR
Retailer 15€5,034 EUR
Retailer 12€5,849 EUR
Retailer 8€6,114 EUR
Retailer 2€7,662 EUR
Retailer 10€7,719 EUR
Retailer 13€10,455 EUR
Retailer 9€14,357 EUR
Retailer 3€19,218 EUR
Novita Diamonds€22,342 EUR

32 data points across 17 retailers

15 retailers€2,794 EUR to €22,342 EUR

A
Cheapest Retailer
-
€2,794 EUR
$3,121 USD
A
Retailer 2
-
€3,040 EUR
$3,396 USD
View
A
Retailer 3
-
€3,165 EUR
$3,536 USD
View
A
Retailer 4
-
€3,187 EUR
$3,560 USD
View
Final sale: no returns
A
Retailer 5
-
€3,383 EUR
$3,780 USD
View
A
Retailer 6
-
€3,959 EUR
$4,423 USD
View
A
Retailer 7
-
€4,470 EUR
$4,994 USD
View
A
Retailer 8
-
€4,560 EUR
$5,095 USD
View
A
Retailer 9
-
€5,034 EUR
$5,624 USD
View
A
Retailer 10
-
€5,849 EUR
View
A
Retailer 11
-
€7,662 EUR
£6,740 GBP
View
B+
Retailer 12
-
€7,719 EUR
A$13,268 AUD
View
B+
Retailer 13
-
€10,455 EUR
$11,680 USD
View
B
Retailer 14
-
€19,218 EUR
$21,470 USD
View
Most Expensive
B
Novita Diamonds
cert_754594326 · Nov 1
€22,342 EUR
A$38,401 AUD
View
14 more retailers have this diamond
Prices start from €2,794 EURSave up to €19,548 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
4.18ct Heart
€2,794 EUR