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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 $4,006 CAD
$2,868 USD
As of October 30, 2026
Save $16,295 CAD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $20,301 CAD at With Clarity · As of October 31, 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 October 30, 2026, with prices from $4,006 to $20,301, a $16,295 spread on the same certified stone. With Clarity lists it at $20,301. 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: Oct 30
Current: $5,114 CAD|Low: $4,006 CAD|High: $20,301 CAD|Avg: $8,591 CAD|-0.6%
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 1, 2026
Retailer 10$4,006 CAD
Retailer 2$4,358 CAD
Retailer 7$4,646 CAD
Retailer 17$4,664 CAD
Retailer 3$4,868 CAD
Retailer 1$5,114 CAD
Retailer 9$5,311 CAD
Retailer 4$5,336 CAD
Retailer 13$5,951 CAD
Retailer 11$6,279 CAD
Retailer 6$6,387 CAD
Retailer 18$7,226 CAD
Retailer 12$8,767 CAD
Retailer 15$10,791 CAD
Retailer 16$11,840 CAD
Retailer 14$12,080 CAD
Retailer 8$16,190 CAD
Retailer 5$18,532 CAD
With Clarity$20,301 CAD

14 data points across 19 retailers

19 retailers$4,006 CAD to $20,301 CAD

A
Cheapest Retailer
-
$4,006 CAD
$2,868 USD
A
Retailer 2
-
$4,358 CAD
$3,120 USD
View
A
Retailer 3
-
$4,646 CAD
$3,326 USD
View
A
Retailer 4
-
$4,664 CAD
$3,339 USD
View
A
Retailer 5
-
$4,868 CAD
$3,485 USD
View
A
Retailer 6
-
$5,114 CAD
£2,883 GBP
View
A
Retailer 7
-
$5,311 CAD
$3,802 USD
View
Final sale: no returns
A
Retailer 8
-
$5,336 CAD
$3,820 USD
View
B+
Retailer 9
-
$5,951 CAD
$4,260 USD
View
B+
Retailer 10
-
$6,279 CAD
£3,539 GBP
View
B+
Retailer 11
-
$6,387 CAD
$4,572 USD
View
B+
Retailer 12
-
$7,226 CAD
$5,173 USD
View
B+
Retailer 13
-
$8,767 CAD
€5,977 EUR
View
B+
Retailer 14
-
$10,791 CAD
ZAR 124,793 ZAR
View
B
Retailer 15
-
$11,840 CAD
£6,674 GBP
View
B+
Retailer 16
-
$12,080 CAD
$8,648 USD
View
B
Retailer 17
-
$16,190 CAD
$11,590 USD
View
B
Retailer 18
-
$18,532 CAD
SGD 17,928 SGD
View
Most Expensive
B
With Clarity
840634502 · Oct 31
$20,301 CAD
$14,533 USD
View
18 more retailers have this diamond
Prices start from $4,006 CADSave up to $16,295 CAD

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
$4,006 CAD