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Heart|Lab Grown|IGI

1.57ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG618401799

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG618401799

Diamond specifications and retailer prices

From $1,201 CAD
$860 USD
As of October 30, 2026
Save $5,196 CAD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,398 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.57ct lab-grown heart diamond

This 1.57ct 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 LG618401799 or 618401799. Listed at 22 retailers as of October 29, 2026, with prices from $1,201 to $6,398, a $5,196 spread on the same certified stone. Brilliant Earth lists it at $6,398. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618401799
Dimensions7.38 × 8.05 × 4.60 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
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
7.38 mm8.05 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618401799
Side View
Table 61.0%Crown 37.9°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 57.1%

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: Oct 30
Current: $6,398 CAD|Low: $1,180 CAD|High: $6,412 CAD|Avg: $2,862 CAD|-0.2%
Brilliant Earth
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
Retailer 19
October 31, 2026
Retailer 7$1,201 CAD
Retailer 3$1,307 CAD
Retailer 12$1,344 CAD
Retailer 15$1,394 CAD
Retailer 4$1,641 CAD
Retailer 17$1,718 CAD
Retailer 5$1,778 CAD
Retailer 10$1,995 CAD
Retailer 13$2,142 CAD
Retailer 16$2,517 CAD
Retailer 18$2,562 CAD
Retailer 2$2,921 CAD
Retailer 11$3,547 CAD
Retailer 19$3,918 CAD
Retailer 6$4,360 CAD
Retailer 9$4,833 CAD
Retailer 14$5,001 CAD
Retailer 8$5,230 CAD
Brilliant Earth$6,398 CAD

33 data points across 19 retailers

22 retailers$1,201 CAD to $6,398 CAD

A
Cheapest Retailer
-
$1,201 CAD
$860 USD
A
Retailer 2
-
$1,307 CAD
$936 USD
View
A
Retailer 3
-
$1,344 CAD
$962 USD
View
Final sale: no returns
A
Retailer 4
-
$1,394 CAD
$998 USD
View
Retailer 5
-
$1,426 CAD
$1,021 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$1,641 CAD
$1,175 USD
View
B+
Retailer 7
-
$1,718 CAD
$1,230 USD
View
B+
Retailer 8
-
$1,778 CAD
$1,273 USD
View
B+
Retailer 9
-
$1,995 CAD
$1,428 USD
View
B+
Retailer 10
-
$2,142 CAD
£1,208 GBP
View
B+
Retailer 11
-
$2,517 CAD
€1,716 EUR
View
B+
Retailer 12
-
$2,562 CAD
ZAR 29,624 ZAR
View
B+
Retailer 13
-
$2,921 CAD
$2,091 USD
View
Retailer 14
-
$3,457 CAD
A$3,807 AUD
View
Price last confirmed 155 days ago
Retailer 15
-
$3,547 CAD
A$3,907 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$3,918 CAD
$2,805 USD
View
B
Retailer 17
-
$4,126 CAD
$2,954 USD
View
B
Retailer 18
-
$4,360 CAD
$3,121 USD
View
B
Retailer 19
-
$4,833 CAD
$3,460 USD
View
B
Retailer 20
-
$5,001 CAD
$3,580 USD
View
B
Retailer 21
-
$5,230 CAD
£2,948 GBP
View
Most Expensive
B
Brilliant Earth
11243115A · Oct 29
$6,398 CAD
$4,580 USD
View
21 more retailers have this diamond
Prices start from $1,201 CADSave up to $5,196 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
1.57ct Heart
$1,201 CAD