Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG840629816

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840629816

Diamond specifications and retailer prices

From $296 USD
As of November 4, 2026
Save $2,494 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,790 USD at Brilliant Earth · As of November 4, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840629816 or 840629816. Listed at 16 retailers as of November 4, 2026, with prices from $296 to $2,790, a $2,494 spread on the same certified stone. Brilliant Earth lists it at $2,790. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629816
Dimensions7.18 × 8.06 × 4.47 mm
L/W Ratio1.12
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
7.18 mm8.06 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629816
Side View
Table 58.0%Crown 37.2°Girdle: MED-THKPavilion 37.9°Culet: NoneDepth 55.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $2,790 USD|Low: $296 USD|High: $2,790 USD|Avg: $1,010 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
November 5, 2026
Retailer 14$296 USD
Retailer 16$339 USD
Retailer 5$351 USD
Retailer 13$396 USD
Retailer 12$530 USD
Retailer 6$604 USD
Retailer 4$613 USD
Retailer 9$644 USD
Retailer 7$1,034 USD
Retailer 3$1,154 USD
Retailer 15$1,180 USD
Retailer 11$1,193 USD
Retailer 8$1,254 USD
Retailer 2$1,292 USD
Retailer 10$1,466 USD
Brilliant Earth$2,790 USD

4 data points across 16 retailers

16 retailers$296 USD to $2,790 USD

A
Cheapest Retailer
-
$296 USD
A
Retailer 2
-
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$351 USD
View
A
Retailer 4
-
$396 USD
View
A
Retailer 5
-
$530 USD
View
A
Retailer 6
-
$604 USD
View
A
Retailer 7
-
$613 USD
View
A
Retailer 8
-
$644 USD
View
A
Retailer 9
-
$1,034 USD
View
B+
Retailer 10
-
$1,154 USD
View
B+
Retailer 11
-
$1,180 USD
View
B+
Retailer 12
-
$1,193 USD
View
B+
Retailer 13
-
$1,254 USD
View
B+
Retailer 14
-
$1,292 USD
View
B+
Retailer 15
-
$1,466 USD
View
Most Expensive
B
Brilliant Earth
22480735A · Nov 4
$2,790 USD
View
15 more retailers have this diamond
Prices start from $296 USDSave up to $2,494 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
$296 USD