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Heart|Lab Grown|IGI

4.55ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804665161

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804665161

Diamond specifications and retailer prices

From $7,056 CAD
$5,051 USD
As of October 30, 2026
Save $41,487 CAD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $48,542 CAD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.55ct lab-grown heart diamond

This 4.55ct 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 LG804665161 or 804665161. Listed at 12 retailers as of October 30, 2026, with prices from $7,056 to $48,542, a $41,487 spread on the same certified stone. Do Amore Diamonds lists it at $48,542. 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

4.55
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665161
Dimensions9.89 × 11.33 × 6.79 mm
L/W Ratio1.15
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
9.89 mm11.33 mm4.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665161
Side View
Table 58.0%Crown 36.8°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 59.9%

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: $48,542 CAD|Low: $7,056 CAD|High: $56,840 CAD|Avg: $17,901 CAD|-14.6%
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
Retailer 13
Retailer 14
November 1, 2026
Retailer 14$7,056 CAD
Retailer 2$7,395 CAD
Retailer 10$7,429 CAD
Retailer 11$8,214 CAD
Retailer 12$8,672 CAD
Retailer 3$10,299 CAD
Retailer 4$10,723 CAD
Retailer 9$10,725 CAD
Retailer 8$12,649 CAD
Retailer 7$18,385 CAD
Retailer 13$19,165 CAD
Retailer 5$20,437 CAD
Retailer 6$28,550 CAD
Do Amore Diamonds$48,542 CAD

28 data points across 14 retailers

12 retailers$7,056 CAD to $48,542 CAD

A
Cheapest Retailer
-
$7,056 CAD
$5,051 USD
A
Retailer 2
-
$7,395 CAD
$5,294 USD
View
A
Retailer 3
-
$7,429 CAD
$5,318 USD
View
A
Retailer 4
-
$8,214 CAD
$5,880 USD
View
A
Retailer 5
-
$8,672 CAD
$6,208 USD
View
A
Retailer 6
-
$10,299 CAD
$7,373 USD
View
A
Retailer 7
-
$10,723 CAD
$7,676 USD
View
Final sale: no returns
A
Retailer 8
-
$10,725 CAD
$7,678 USD
View
A
Retailer 9
-
$12,649 CAD
$9,055 USD
View
B+
Retailer 10
-
$18,385 CAD
£10,363 GBP
View
B+
Retailer 11
-
$19,165 CAD
$13,720 USD
View
Most Expensive
B
Do Amore Diamonds
27-6EF96AC33 · Nov 1
$48,542 CAD
$34,750 USD
View
11 more retailers have this diamond
Prices start from $7,056 CADSave up to $41,487 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
4.55ct Heart
$7,056 CAD