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Heart|Lab Grown|IGI

5.50ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG592358586

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG592358586

Diamond specifications and retailer prices

From €8,946 EUR
$9,994 USD
As of October 30, 2026
Save €31,616 EUR (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €40,561 EUR at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 5.5ct lab-grown heart diamond

This 5.5ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG592358586 or 592358586. Listed at 19 retailers as of October 30, 2026, with prices from €8,946 to €40,561, a €31,616 spread on the same certified stone. Michael Trio lists it at €40,561. 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

5.50
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592358586
Dimensions11.43 × 11.74 × 7.12 mm
L/W Ratio1.03
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
11.43 mm11.74 mm5.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592358586
Side View
Table 59.0%Crown 39.7°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: €40,561 EUR|Low: €7,155 EUR|High: €55,818 EUR|Avg: €19,673 EUR
Michael Trio
Retailer 2
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Retailer 22
October 31, 2026
Retailer 20€8,946 EUR
Retailer 6€9,062 EUR
Retailer 5€9,304 EUR
Retailer 8€10,019 EUR
Retailer 19€10,253 EUR
Retailer 21€10,377 EUR
Retailer 4€10,735 EUR
Retailer 22€11,077 EUR
Retailer 18€11,360 EUR
Retailer 15€11,858 EUR
Retailer 2€13,529 EUR
Retailer 7€14,244 EUR
Retailer 16€17,677 EUR
Retailer 11€18,634 EUR
Retailer 13€23,272 EUR
Retailer 17€23,693 EUR
Retailer 12€25,519 EUR
Retailer 3€26,571 EUR
Retailer 10€28,556 EUR
Retailer 14€34,167 EUR
Michael Trio€40,561 EUR
Retailer 9€55,818 EUR

24 data points across 22 retailers

19 retailers€8,946 EUR to €40,561 EUR

A
Cheapest Retailer
-
€8,946 EUR
$9,994 USD
A
Retailer 2
-
€9,062 EUR
$10,124 USD
View
A
Retailer 3
-
€9,304 EUR
$10,394 USD
View
A
Retailer 4
-
€10,019 EUR
$11,193 USD
View
Final sale: no returns
A
Retailer 5
-
€10,253 EUR
$11,455 USD
View
A
Retailer 6
-
€10,377 EUR
$11,593 USD
View
A
Retailer 7
-
€10,735 EUR
$11,993 USD
View
Retailer 8
-
€11,077 EUR
$12,375 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
€11,360 EUR
$12,691 USD
View
A
Retailer 10
-
€13,529 EUR
£11,902 GBP
View
A
Retailer 11
-
€14,244 EUR
$15,914 USD
View
A
Retailer 12
-
€17,677 EUR
£15,550 GBP
View
B+
Retailer 13
-
€23,272 EUR
ZAR 420,027 ZAR
View
Retailer 14
-
€23,693 EUR
A$40,723 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
€26,571 EUR
$29,685 USD
View
B+
Retailer 16
-
€28,556 EUR
$31,903 USD
View
B
Retailer 17
-
€34,167 EUR
$38,172 USD
View
Most Expensive
B
Michael Trio
6533574000 · Oct 31
€40,561 EUR
SGD 61,237 SGD
View
17 more retailers have this diamond
Prices start from €8,946 EURSave up to €31,616 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
5.50ct Heart
€8,946 EUR