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Heart|Lab Grown|IGI

3.64ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG821638865

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821638865

Diamond specifications and retailer prices

From $3,908 CAD
$2,792 USD
As of October 27, 2026
Save $22,979 CAD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $26,886 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.64ct lab-grown heart diamond

This 3.64ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821638865 or 821638865. Listed at 10 retailers as of October 27, 2026, with prices from $3,908 to $26,886, a $22,979 spread on the same certified stone. Do Amore Diamonds lists it at $26,886. 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

3.64
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638865
Dimensions8.91 × 10.47 × 6.47 mm
L/W Ratio1.18
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
8.91 mm10.47 mm3.64 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638865
Side View
Table 59.0%Crown 36.5°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $26,886 CAD|Low: $3,908 CAD|High: $30,077 CAD|Avg: $13,105 CAD|-10.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$3,908 CAD
Retailer 10$4,251 CAD
Retailer 8$4,759 CAD
Retailer 11$4,854 CAD
Retailer 9$6,251 CAD
Retailer 7$6,512 CAD
Retailer 6$7,050 CAD
Retailer 3$9,805 CAD
Retailer 2$12,748 CAD
Retailer 4$22,676 CAD
Retailer 12$24,423 CAD
Do Amore Diamonds$26,886 CAD

19 data points across 12 retailers

10 retailers$3,908 CAD to $26,886 CAD

A+
Cheapest Retailer
-
$3,908 CAD
$2,792 USD
A
Retailer 2
-
$4,251 CAD
$3,037 USD
View
A
Retailer 3
-
$4,759 CAD
$3,400 USD
View
A
Retailer 4
-
$4,854 CAD
$3,468 USD
View
A
Retailer 5
-
$6,251 CAD
$4,466 USD
View
B+
Retailer 6
-
$6,512 CAD
$4,653 USD
View
B+
Retailer 7
-
$7,050 CAD
$5,037 USD
View
B
Retailer 8
-
$12,748 CAD
£7,172 GBP
View
B
Retailer 9
-
$24,423 CAD
$17,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-E718634AA · Oct 29
$26,886 CAD
$19,210 USD
View
9 more retailers have this diamond
Prices start from $3,908 CADSave up to $22,979 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+
3.64ct Heart
$3,908 CAD