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Heart|Lab Grown|IGI

1.55ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836620576

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620576

Diamond specifications and retailer prices

From €569 EUR
$636 USD
As of October 30, 2026
Save €2,537 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,106 EUR at Brilliant Earth · As of October 30, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620576 or 836620576. Listed at 18 retailers as of October 30, 2026, with prices from €569 to €3,106, a €2,537 spread on the same certified stone. Brilliant Earth lists it at €3,106. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620576
Dimensions7.97 × 7.15 × 4.48 mm
L/W Ratio1.11
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
7.97 mm7.15 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620576
Side View
Table 64.0%Crown 39.7°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 56.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €3,106 EUR|Low: €569 EUR|High: €3,527 EUR|Avg: €1,651 EUR|-11.9%
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
October 30, 2026
Retailer 5€569 EUR
Retailer 16€619 EUR
Retailer 7€661 EUR
Retailer 8€661 EUR
Retailer 12€731 EUR
Retailer 15€819 EUR
Retailer 2€1,055 EUR
Retailer 4€1,055 EUR
Retailer 6€1,079 EUR
Retailer 11€1,214 EUR
Retailer 18€1,537 EUR
Retailer 9€1,857 EUR
Retailer 3€2,171 EUR
Retailer 10€2,280 EUR
Retailer 14€2,634 EUR
Retailer 13€2,794 EUR
Retailer 17€2,799 EUR
Brilliant Earth€3,106 EUR

39 data points across 18 retailers

18 retailers€569 EUR to €3,106 EUR

A
Cheapest Retailer
-
€569 EUR
$636 USD
A
Retailer 2
-
€619 EUR
$692 USD
View
A
Retailer 3
-
€661 EUR
$738 USD
View
Retailer 4
-
€661 EUR
$738 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
€731 EUR
$817 USD
View
Final sale: no returns
A
Retailer 6
-
€819 EUR
$915 USD
View
A
Retailer 7
-
€1,055 EUR
£928 GBP
View
B+
Retailer 8
-
€1,055 EUR
$1,179 USD
View
B+
Retailer 9
-
€1,079 EUR
$1,206 USD
View
B+
Retailer 10
-
€1,214 EUR
ZAR 21,910 ZAR
View
B+
Retailer 11
-
€1,537 EUR
$1,717 USD
View
B+
Retailer 12
-
€1,857 EUR
$2,075 USD
View
B+
Retailer 13
-
€2,171 EUR
$2,425 USD
View
B
Retailer 14
-
€2,280 EUR
$2,548 USD
View
B
Retailer 15
-
€2,634 EUR
SGD 3,977 SGD
View
B
Retailer 16
-
€2,794 EUR
$3,122 USD
View
B
Retailer 17
-
€2,799 EUR
£2,462 GBP
View
Most Expensive
B
Brilliant Earth
21433409A · Oct 30
€3,106 EUR
$3,470 USD
View
17 more retailers have this diamond
Prices start from €569 EURSave up to €2,537 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
€569 EUR