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Heart|Lab Grown|IGI

1.55ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG843604947

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843604947

Diamond specifications and retailer prices

From $751 CAD
£423 GBP
As of October 30, 2026
Save $4,113 CAD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,864 CAD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

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 LG843604947 or 843604947. Listed at 12 retailers as of October 30, 2026, with prices from $751 to $4,864, a $4,113 spread on the same certified stone. Novita Diamonds lists it at $4,864. 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 angle36.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604947
Dimensions7.65 × 7.16 × 4.87 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
7.65 mm7.16 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604947
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.7%

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: Oct 30
Current: $4,864 CAD|Low: $749 CAD|High: $9,403 CAD|Avg: $2,099 CAD
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6$751 CAD
Retailer 8$922 CAD
Retailer 11$1,024 CAD
Retailer 2$1,154 CAD
Retailer 4$1,201 CAD
Retailer 7$1,649 CAD
Retailer 3$1,715 CAD
Retailer 9$1,882 CAD
Retailer 12$2,771 CAD
Retailer 5$3,939 CAD
Retailer 10$4,596 CAD
Novita Diamonds$4,864 CAD

14 data points across 12 retailers

12 retailers$751 CAD to $4,864 CAD

A
Cheapest Retailer
-
$751 CAD
£423 GBP
A
Retailer 2
-
$922 CAD
$660 USD
View
A
Retailer 3
-
$1,024 CAD
$733 USD
View
A
Retailer 4
-
$1,154 CAD
€787 EUR
View
A
Retailer 5
-
$1,201 CAD
$860 USD
View
A
Retailer 6
-
$1,649 CAD
A$1,816 AUD
View
B+
Retailer 7
-
$1,715 CAD
$1,228 USD
View
B+
Retailer 8
-
$1,882 CAD
$1,347 USD
View
B
Retailer 9
-
$2,771 CAD
£1,562 GBP
View
B
Retailer 10
-
$3,939 CAD
$2,820 USD
View
B
Retailer 11
-
$4,596 CAD
$3,290 USD
View
Most Expensive
B
Novita Diamonds
cert_843604947 · Oct 31
$4,864 CAD
A$5,357 AUD
View
11 more retailers have this diamond
Prices start from $751 CADSave up to $4,113 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
$751 CAD