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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 $9,994 USD
As of October 30, 2026
Save $35,321 USD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $45,315 USD at Michael Trio · As of October 30, 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 $9,994 to $45,315, a $35,321 spread on the same certified stone. Michael Trio lists it at $45,315. 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: $45,315 USD|Low: $7,994 USD|High: $62,360 USD|Avg: $22,792 USD
Michael Trio
Retailer 2
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Retailer 20
October 29, 2026
Retailer 4$10,124 USD
Retailer 6$11,193 USD
Retailer 17$11,455 USD
Retailer 18$11,593 USD
Retailer 3$11,993 USD
Retailer 19$12,375 USD
Retailer 16$12,691 USD
Retailer 12$13,248 USD
Retailer 15$15,710 USD
Retailer 5$15,914 USD
Retailer 13$19,749 USD
Retailer 9$20,818 USD
Retailer 2$26,000 USD
Retailer 14$26,470 USD
Retailer 10$28,510 USD
Retailer 20$29,685 USD
Retailer 8$31,903 USD
Retailer 11$38,172 USD
Michael Trio$45,315 USD
Retailer 7$62,360 USD

23 data points across 20 retailers

19 retailers$9,994 USD to $45,315 USD

A
Cheapest Retailer
-
$9,994 USD
A
Retailer 2
-
$10,124 USD
View
A
Retailer 3
-
$10,394 USD
View
A
Retailer 4
-
$11,193 USD
View
Final sale: no returns
A
Retailer 5
-
$11,455 USD
View
A
Retailer 6
-
$11,593 USD
View
A
Retailer 7
-
$11,993 USD
View
Retailer 8
-
$12,375 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$12,691 USD
View
Retailer 10
-
$15,710 USD
£12,370 GBP
View
Price last confirmed 10 days ago
A
Retailer 11
-
$15,914 USD
View
A
Retailer 12
-
$19,749 USD
£15,550 GBP
View
B+
Retailer 13
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$26,000 USD
ZAR 420,027 ZAR
View
Retailer 14
-
$26,470 USD
A$40,723 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$29,685 USD
View
B+
Retailer 16
-
$31,903 USD
View
B
Retailer 17
-
$38,172 USD
View
Most Expensive
B
Michael Trio
6533574000 · Oct 30
$45,315 USD
SGD 61,237 SGD
View
17 more retailers have this diamond
Prices start from $9,994 USDSave up to $35,321 USD

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
$9,994 USD