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Heart|Lab Grown|IGI

3.55ct F FL Heart Lab Grown Diamond

ID • F/FL • IGI LG840634502

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634502

Diamond specifications and retailer prices

From €2,557 EUR
$2,868 USD
As of November 2, 2026
Save €10,400 EUR (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €12,957 EUR at With Clarity · As of November 2, 2026
View at With Clarity

About this 3.55ct lab-grown heart diamond

This 3.55ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634502 or 840634502. Listed at 19 retailers as of November 2, 2026, with prices from €2,557 to €12,957, a €10,400 spread on the same certified stone. With Clarity lists it at €12,957. 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

3.55
Carat
F
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634502
Dimensions9.36 × 10.20 × 6.22 mm
L/W Ratio1.09
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
9.36 mm10.20 mm3.55 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634502
Side View
Table 60.0%Crown 36.7°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 61.0%

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: Nov 2
Current: €3,838 EUR|Low: €2,557 EUR|High: €12,957 EUR|Avg: €5,482 EUR|-9.9%
Retailer 1
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
With Clarity
November 2, 2026
Retailer 10€2,557 EUR
Retailer 2€2,782 EUR
Retailer 7€2,965 EUR
Retailer 17€2,977 EUR
Retailer 3€3,107 EUR
Retailer 12€3,264 EUR
Retailer 9€3,390 EUR
Retailer 4€3,406 EUR
Retailer 1€3,838 EUR
Retailer 13€4,007 EUR
Retailer 6€4,076 EUR
Retailer 18€4,612 EUR
Retailer 11€5,594 EUR
Retailer 16€6,887 EUR
Retailer 14€7,517 EUR
Retailer 15€7,710 EUR
Retailer 8€10,333 EUR
Retailer 5€11,828 EUR
With Clarity€12,957 EUR

15 data points across 19 retailers

19 retailers€2,557 EUR to €12,957 EUR

A
Cheapest Retailer
-
€2,557 EUR
$2,868 USD
A
Retailer 2
-
€2,782 EUR
$3,120 USD
View
A
Retailer 3
-
€2,965 EUR
$3,326 USD
View
A
Retailer 4
-
€2,977 EUR
$3,339 USD
View
A
Retailer 5
-
€3,107 EUR
$3,485 USD
View
A
Retailer 6
-
€3,264 EUR
£2,883 GBP
View
A
Retailer 7
-
€3,390 EUR
$3,802 USD
View
Final sale: no returns
A
Retailer 8
-
€3,406 EUR
$3,820 USD
View
B+
Retailer 9
-
€3,838 EUR
$4,305 USD
View
B+
Retailer 10
-
€4,007 EUR
£3,539 GBP
View
B+
Retailer 11
-
€4,076 EUR
$4,572 USD
View
B+
Retailer 12
-
€4,612 EUR
$5,173 USD
View
B+
Retailer 13
-
€5,594 EUR
View
B+
Retailer 14
-
€6,887 EUR
ZAR 124,793 ZAR
View
B+
Retailer 15
-
€7,517 EUR
£6,639 GBP
View
B+
Retailer 16
-
€7,710 EUR
$8,648 USD
View
B
Retailer 17
-
€10,333 EUR
$11,590 USD
View
B
Retailer 18
-
€11,828 EUR
SGD 17,928 SGD
View
Most Expensive
B
With Clarity
840634502 · Nov 2
€12,957 EUR
$14,533 USD
View
18 more retailers have this diamond
Prices start from €2,557 EURSave up to €10,400 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
3.55ct Heart
€2,557 EUR