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Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG742505330

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG742505330

Diamond specifications and retailer prices

From $308 USD
As of October 30, 2026
Save $1,263 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,190 USD at Brilliant Earth · As of October 22, 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 LG742505330 or 742505330. Listed at 14 retailers as of October 30, 2026, with a 410% 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
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742505330
Dimensions7.30 × 7.82 × 4.65 mm
L/W Ratio1.07
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
7.30 mm7.82 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742505330
Side View
Table 53.0%Crown 35.2°Girdle: MediumPavilion 39.5°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,190 USD|Low: $308 USD|High: $3,300 USD|Avg: $1,131 USD|-3.3%
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
November 1, 2026
Retailer 4$308 USD
Retailer 7$357 USD
Retailer 5$396 USD
Retailer 10$500 USD
Retailer 9$532 USD
Retailer 6$630 USD
Retailer 8$641 USD
Retailer 13$954 USD
Retailer 11$1,228 USD
Retailer 3$1,239 USD
Retailer 2$1,532 USD
Retailer 12$1,571 USD
Brilliant Earth$3,190 USD

36 data points across 13 retailers

14 retailers$308 USD to $1,571 USD

A+
Cheapest Retailer
-
$308 USD
A
Retailer 2
-
$357 USD
View
A
Retailer 3
-
$396 USD
View
Final sale: no returns
A
Retailer 4
-
$500 USD
View
A
Retailer 5
-
$532 USD
View
A
Retailer 6
-
$630 USD
€600 EUR
View
A
Retailer 7
-
$641 USD
View
A
Retailer 8
-
$954 USD
View
A
Retailer 9
-
$1,228 USD
View
B+
Retailer 10
-
$1,239 USD
View
B+
Retailer 11
-
$1,371 USD
View
B+
Retailer 12
-
$1,532 USD
£1,206 GBP
View
B+
Retailer 13
-
$1,571 USD
View
Most Expensive
Brilliant Earth
16537557A · Oct 22
$3,190 USD
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from $308 USDSave up to $1,263 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
$308 USD