CaratHunter
Plans
Heart|Lab Grown|IGI

4.05ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804664728

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804664728

Diamond specifications and retailer prices

From $16,291 CAD
$11,640 USD
As of October 29, 2026
Save $39,025 CAD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $55,316 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.05ct lab-grown heart diamond

This 4.05ct 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 LG804664728 or 804664728. Listed at 8 retailers as of October 29, 2026, with prices from $16,291 to $55,316, a $39,025 spread on the same certified stone. Taylor and Hart lists it at $55,316. 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

4.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664728
Dimensions11.10 × 9.46 × 6.59 mm
L/W Ratio1.17
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
11.10 mm9.46 mm4.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664728
Side View
Table 56.0%Crown 35.6°Girdle: MED-THKPavilion 41°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $29,112 CAD|Low: $15,758 CAD|High: $55,316 CAD|Avg: $30,526 CAD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
October 29, 2026
Retailer 4$16,291 CAD
Retailer 8$17,288 CAD
Retailer 7$18,384 CAD
Retailer 2$22,740 CAD
Retailer 1$29,112 CAD
Retailer 3$30,035 CAD
Retailer 9$31,359 CAD
Retailer 6$32,112 CAD
Retailer 5$52,376 CAD
Taylor and Hart$55,316 CAD

14 data points across 10 retailers

8 retailers$16,291 CAD to $55,316 CAD

B+
Cheapest Retailer
-
$16,291 CAD
$11,640 USD
B+
Retailer 2
-
$17,288 CAD
$12,352 USD
View
B+
Retailer 3
-
$18,384 CAD
$13,135 USD
View
Retailer 4
-
$22,740 CAD
£12,793 GBP
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$29,112 CAD
£16,378 GBP
View
B
Retailer 6
-
$30,035 CAD
$21,460 USD
View
B
Retailer 7
-
$52,376 CAD
$37,422 USD
View
Most Expensive
B
Taylor and Hart
RQLT5QX · Oct 30
$55,316 CAD
$39,523 USD
View
7 more retailers have this diamond
Prices start from $16,291 CADSave up to $39,025 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.

B+
4.05ct Heart
$16,291 CAD