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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 €276 EUR
$308 USD
As of October 30, 2026
Save €1,130 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,855 EUR 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: €2,855 EUR|Low: €276 EUR|High: €2,954 EUR|Avg: €1,019 EUR|-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
October 29, 2026
Retailer 4€276 EUR
Retailer 7€320 EUR
Retailer 5€354 EUR
Retailer 10€448 EUR
Retailer 9€476 EUR
Retailer 2€569 EUR
Retailer 8€574 EUR
Retailer 13€854 EUR
Retailer 11€1,099 EUR
Retailer 3€1,109 EUR
Retailer 6€1,378 EUR
Retailer 12€1,406 EUR
Brilliant Earth€2,855 EUR

34 data points across 13 retailers

14 retailers€276 EUR to €1,406 EUR

A+
Cheapest Retailer
-
€276 EUR
$308 USD
A
Retailer 2
-
€320 EUR
$357 USD
View
A
Retailer 3
-
€354 EUR
$396 USD
View
Final sale: no returns
A
Retailer 4
-
€448 EUR
$500 USD
View
A
Retailer 5
-
€476 EUR
$532 USD
View
A
Retailer 6
-
€569 EUR
View
A
Retailer 7
-
€574 EUR
$641 USD
View
A
Retailer 8
-
€854 EUR
$954 USD
View
A
Retailer 9
-
€1,099 EUR
$1,228 USD
View
B+
Retailer 10
-
€1,109 EUR
$1,239 USD
View
B+
Retailer 11
-
€1,227 EUR
$1,371 USD
View
B+
Retailer 12
-
€1,378 EUR
£1,212 GBP
View
B+
Retailer 13
-
€1,406 EUR
$1,571 USD
View
Most Expensive
Brilliant Earth
16537557A · Oct 22
€2,855 EUR
$3,190 USD
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from €276 EURSave up to €1,130 EUR

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
€276 EUR