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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 €263 EUR
As of November 4, 2026
Save €2,214 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,476 EUR 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 €263 to €2,476, a €2,214 spread on the same certified stone. Brilliant Earth lists it at €2,476. 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
Colour
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

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: Nov 4
Current: €2,476 EUR|Low: €263 EUR|High: €2,476 EUR|Avg: €897 EUR
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€263 EUR
Retailer 16€301 EUR
Retailer 5€312 EUR
Retailer 13€351 EUR
Retailer 12€470 EUR
Retailer 6€536 EUR
Retailer 4€544 EUR
Retailer 9€572 EUR
Retailer 7€918 EUR
Retailer 3€1,024 EUR
Retailer 15€1,047 EUR
Retailer 11€1,059 EUR
Retailer 8€1,113 EUR
Retailer 2€1,147 EUR
Retailer 10€1,301 EUR
Brilliant Earth€2,476 EUR

4 data points across 16 retailers

16 retailers€263 EUR to €2,476 EUR

A
Cheapest Retailer
-
€263 EUR
A
Retailer 2
-
€301 EUR
View
Final sale: no returns
A
Retailer 3
-
€312 EUR
View
A
Retailer 4
-
€351 EUR
View
A
Retailer 5
-
€470 EUR
View
A
Retailer 6
-
€536 EUR
View
A
Retailer 7
-
€544 EUR
View
A
Retailer 8
-
€572 EUR
View
A
Retailer 9
-
€918 EUR
View
B+
Retailer 10
-
€1,024 EUR
View
B+
Retailer 11
-
€1,047 EUR
View
B+
Retailer 12
-
€1,059 EUR
View
B+
Retailer 13
-
€1,113 EUR
View
B+
Retailer 14
-
€1,147 EUR
View
B+
Retailer 15
-
€1,301 EUR
View
Most Expensive
B
Brilliant Earth
22480735A · Nov 4
€2,476 EUR
$2,790 USD
View
15 more retailers have this diamond
Prices start from €263 EURSave up to €2,214 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
€263 EUR