Heart|Lab Grown|IGI

1.55ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG837615555

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837615555

Diamond specifications and retailer prices

From $582 CAD
$414 USD
As of October 28, 2026
Save $4,040 CAD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,621 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837615555 or 837615555. Listed at 19 retailers as of October 28, 2026, with prices from $582 to $4,621, a $4,040 spread on the same certified stone. Brilliant Earth lists it at $4,621. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615555
Dimensions7.41 × 7.92 × 4.58 mm
L/W Ratio1.07
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
7.41 mm7.92 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615555
Side View
Table 59.0%Crown 37.2°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 57.8%

Caratlytics Score

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A+
Exceptional
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 28
Current: $1,028 CAD|Low: $523 CAD|High: $4,748 CAD|Avg: $1,235 CAD|-5.2%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 5$523 CAD
Retailer 15$582 CAD
Retailer 10$596 CAD
Retailer 8$648 CAD
Retailer 9$657 CAD
Retailer 13$688 CAD
Retailer 14$701 CAD
Retailer 2$857 CAD
Retailer 4$871 CAD
Retailer 1$1,028 CAD
Retailer 16$1,111 CAD
Retailer 17$1,160 CAD
Retailer 11$1,500 CAD
Retailer 3$1,901 CAD
Retailer 18$2,050 CAD
Retailer 6$2,083 CAD
Retailer 7$2,259 CAD
Retailer 12$2,539 CAD

22 data points across 18 retailers

19 retailers$582 CAD to $4,621 CAD

A+
Retailer 1
-
$523 CAD
$372 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$582 CAD
$414 USD
View
Final sale: no returns
A
Retailer 3
-
$596 CAD
$424 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$648 CAD
$461 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$657 CAD
$468 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$688 CAD
£385 GBP
View
A
Retailer 7
-
$701 CAD
HK$3,900 HKD
View
A
Retailer 8
-
$857 CAD
$610 USD
View
A
Retailer 9
-
$871 CAD
$620 USD
View
A
Retailer 10
-
$1,028 CAD
€697 EUR
View
A
Retailer 11
-
$1,111 CAD
ZAR 12,775 ZAR
View
A
Retailer 12
-
$1,160 CAD
£650 GBP
View
A
Retailer 13
-
$1,500 CAD
A$1,643 AUD
View
B+
Retailer 14
-
$1,901 CAD
$1,353 USD
View
B+
Retailer 15
-
$2,050 CAD
SGD 1,972 SGD
View
B+
Retailer 16
-
$2,083 CAD
$1,483 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
$2,259 CAD
$1,608 USD
View
B+
Retailer 18
-
$2,539 CAD
£1,423 GBP
View
Most Expensive
B
Brilliant Earth
21573871A · Oct 28
$4,621 CAD
$3,290 USD
View
18 more retailers have this diamond
Prices start from $582 CADSave up to $4,040 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+
1.55ct Heart
$582 CAD