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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846662427

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846662427

Diamond specifications and retailer prices

From $1,141 CAD
£643 GBP
As of November 1, 2026
Save $5,858 CAD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,998 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct 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 LG846662427 or 846662427. Listed at 10 retailers as of October 31, 2026, with prices from $1,141 to $6,998, a $5,858 spread on the same certified stone. Do Amore Diamonds lists it at $6,998. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662427
Dimensions7.55 × 7.18 × 4.69 mm
L/W Ratio1.05
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
7.55 mm7.18 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662427
Side View
Table 58.0%Crown 34.4°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.1%

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: Nov 1
Current: $6,998 CAD|Low: $1,141 CAD|High: $7,976 CAD|Avg: $3,061 CAD|-12.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$1,141 CAD
Retailer 6$1,173 CAD
Retailer 10$1,222 CAD
Retailer 7$1,504 CAD
Retailer 4$1,729 CAD
Retailer 8$2,425 CAD
Retailer 9$3,016 CAD
Retailer 2$4,252 CAD
Retailer 5$4,680 CAD
Do Amore Diamonds$6,998 CAD

14 data points across 10 retailers

10 retailers$1,141 CAD to $6,998 CAD

A
Cheapest Retailer
-
$1,141 CAD
£643 GBP
A
Retailer 2
-
$1,173 CAD
$840 USD
View
A
Retailer 3
-
$1,222 CAD
$875 USD
View
A
Retailer 4
-
$1,504 CAD
$1,077 USD
View
B+
Retailer 5
-
$1,729 CAD
€1,179 EUR
View
B+
Retailer 6
-
$2,425 CAD
$1,736 USD
View
B
Retailer 7
-
$3,016 CAD
$2,159 USD
View
B
Retailer 8
-
$4,252 CAD
£2,397 GBP
View
B
Retailer 9
-
$4,680 CAD
$3,350 USD
View
Most Expensive
B
Do Amore Diamonds
27-3C43927AF · Oct 31
$6,998 CAD
$5,010 USD
View
9 more retailers have this diamond
Prices start from $1,141 CADSave up to $5,858 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
1.51ct Heart
$1,141 CAD