Heart|Lab Grown|IGI

1.55ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG837615555

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837615555

Diamond specifications and retailer prices

From €371 EUR
$414 USD
As of November 1, 2026
Save €2,171 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,542 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837615555 or 837615555. Listed at 19 retailers as of October 31, 2026, with prices from €371 to €2,542, a €2,171 spread on the same certified stone. Brilliant Earth lists it at €2,542. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615555
Dimensions7.41 × 7.92 × 4.58 mm
L/W Ratio1.07
Girdle conditionFaceted
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
7.41 mm7.92 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615555
Side View
Table 59.0%Crown 37.2°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 57.8%

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 1
Current: €2,542 EUR|Low: €333 EUR|High: €2,542 EUR|Avg: €780 EUR
Brilliant Earth
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
November 2, 2026
Retailer 6€333 EUR
Retailer 4€371 EUR
Retailer 11€380 EUR
Retailer 9€413 EUR
Retailer 10€419 EUR
Retailer 14€436 EUR
Retailer 3€447 EUR
Retailer 18€550 EUR
Retailer 16€555 EUR
Retailer 15€651 EUR
Retailer 2€710 EUR
Retailer 12€744 EUR
Retailer 19€956 EUR
Retailer 17€1,208 EUR
Retailer 5€1,306 EUR
Retailer 7€1,327 EUR
Retailer 8€1,439 EUR
Retailer 13€1,610 EUR
Brilliant Earth€2,542 EUR

23 data points across 19 retailers

19 retailers€371 EUR to €2,542 EUR

Retailer 1
-
€333 EUR
$372 USD
Price last confirmed 16 days ago
A
Retailer 2
-
€371 EUR
$414 USD
View
Final sale: no returns
Retailer 3
-
€380 EUR
$424 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€413 EUR
$461 USD
View
Price last confirmed 16 days ago
Retailer 5
-
€419 EUR
$468 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
€436 EUR
£383 GBP
View
A
Retailer 7
-
€447 EUR
HK$3,900 HKD
View
A
Retailer 8
-
€550 EUR
$615 USD
View
A
Retailer 9
-
€555 EUR
$620 USD
View
A
Retailer 10
-
€651 EUR
View
A
Retailer 11
-
€710 EUR
ZAR 12,821 ZAR
View
A
Retailer 12
-
€744 EUR
£654 GBP
View
A
Retailer 13
-
€956 EUR
A$1,643 AUD
View
B+
Retailer 14
-
€1,208 EUR
$1,350 USD
View
B+
Retailer 15
-
€1,306 EUR
SGD 1,972 SGD
View
Retailer 16
-
€1,327 EUR
$1,483 USD
View
Price last confirmed 16 days ago
B+
Retailer 17
-
€1,439 EUR
$1,608 USD
View
B+
Retailer 18
-
€1,610 EUR
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
21573871A · Oct 31
€2,542 EUR
$2,840 USD
View
18 more retailers have this diamond
Prices start from €371 EURSave up to €2,171 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
1.55ct Heart
€371 EUR