Heart|Lab Grown|IGI

1.53ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG787612682

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG787612682

Diamond specifications and retailer prices

From $409 USD
As of October 27, 2026
Save $1,490 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,520 USD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787612682 or 787612682. Listed at 18 retailers as of October 27, 2026, with a 364% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787612682
Dimensions7.19 × 8.00 × 4.61 mm
L/W Ratio1.11
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
7.19 mm8.00 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787612682
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 57.6%

Caratlytics Score

How it works →
A
Excellent
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 27
Current: $3,520 USD|Low: $326 USD|High: $3,520 USD|Avg: $1,225 USD
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
October 29, 2026
Retailer 15$409 USD
Retailer 5$458 USD
Retailer 16$507 USD
Retailer 10$655 USD
Retailer 12$680 USD
Retailer 2$832 USD
Retailer 9$872 USD
Retailer 6$1,078 USD
Retailer 14$1,182 USD
Retailer 11$1,190 USD
Retailer 4$1,631 USD
Retailer 8$1,666 USD
Retailer 7$1,861 USD
Retailer 3$1,899 USD
Retailer 13$1,993 USD
Brilliant Earth$3,520 USD

43 data points across 16 retailers

18 retailers$409 USD to $1,899 USD

A
Cheapest Retailer
-
$409 USD
A
Retailer 2
-
$458 USD
View
Final sale: no returns
A
Retailer 3
-
$458 USD
View
A
Retailer 4
-
$507 USD
View
A
Retailer 5
-
$507 USD
View
A
Retailer 6
-
$655 USD
View
A
Retailer 7
-
$680 USD
View
A
Retailer 8
-
$832 USD
£655 GBP
View
A
Retailer 9
-
$872 USD
ZAR 14,082 ZAR
View
A
Retailer 10
-
$1,078 USD
View
B+
Retailer 11
-
$1,182 USD
View
B+
Retailer 12
-
$1,190 USD
A$1,830 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$1,631 USD
View
B+
Retailer 14
-
$1,666 USD
View
B+
Retailer 15
-
$1,861 USD
View
B+
Retailer 16
-
$1,899 USD
View
B+
Retailer 17
-
$1,993 USD
£1,569 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21385063A · Oct 8
$3,520 USD
View
Price last confirmed 21 days ago
17 more retailers have this diamond
Prices start from $409 USDSave up to $1,490 USD

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
1.53ct Heart
$409 USD