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Heart|Lab Grown|IGI

1.65ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663395

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663395

Diamond specifications and retailer prices

From $947 CAD
$678 USD
As of October 30, 2026
Save $4,948 CAD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,895 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.65ct lab-grown heart diamond

This 1.65ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663395 or 846663395. Listed at 12 retailers as of October 30, 2026, with prices from $947 to $5,895, a $4,948 spread on the same certified stone. Brilliant Earth lists it at $5,895. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663395
Dimensions6.99 × 7.92 × 4.94 mm
L/W Ratio1.13
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
6.99 mm7.92 mm1.65 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663395
Side View
Table 59.0%Crown 37.9°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: Oct 30
Current: $5,895 CAD|Low: $947 CAD|High: $7,376 CAD|Avg: $2,976 CAD|-20.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$947 CAD
Retailer 3$1,031 CAD
Retailer 5$1,246 CAD
Retailer 8$1,319 CAD
Retailer 6$1,348 CAD
Retailer 12$1,787 CAD
Retailer 11$1,904 CAD
Retailer 9$3,089 CAD
Retailer 4$4,337 CAD
Retailer 7$4,653 CAD
Retailer 10$4,867 CAD
Brilliant Earth$5,895 CAD

4 data points across 12 retailers

12 retailers$947 CAD to $5,895 CAD

A
Cheapest Retailer
-
$947 CAD
$678 USD
A
Retailer 2
-
$1,031 CAD
$738 USD
View
A
Retailer 3
-
$1,246 CAD
£702 GBP
View
A
Retailer 4
-
$1,319 CAD
$944 USD
View
A
Retailer 5
-
$1,348 CAD
$965 USD
View
B+
Retailer 6
-
$1,787 CAD
$1,279 USD
View
B+
Retailer 7
-
$1,904 CAD
$1,363 USD
View
B
Retailer 8
-
$3,089 CAD
$2,211 USD
View
B
Retailer 9
-
$4,337 CAD
$3,105 USD
View
B
Retailer 10
-
$4,653 CAD
£2,623 GBP
View
B
Retailer 11
-
$4,867 CAD
$3,484 USD
View
Most Expensive
B
Brilliant Earth
22337110A · Oct 30
$5,895 CAD
$4,220 USD
View
11 more retailers have this diamond
Prices start from $947 CADSave up to $4,948 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
1.65ct Heart
$947 CAD