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Heart|Lab Grown|IGI

1.54ct D SI1 Heart Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From €483 EUR
A$830 AUD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: €483 EUR at MoiMoi Australia
View at MoiMoi Australia

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by IGI. Listed at 2 retailers as of November 2, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.85 × 8.00 × 4.75 mm
L/W Ratio1.17
Top View
6.85 mm8.00 mm1.54 ctD / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: €483 EUR|Low: €294 EUR|High: €699 EUR|Avg: €470 EUR
MoiMoi Australia
Retailer 2
November 2, 2026
Retailer 2€294 EUR
MoiMoi Australia€483 EUR

30 data points across 2 retailers

2 retailers

Retailer 1
-
€294 EUR
£259 GBP
Price last confirmed 16 days ago
Most Expensive
B
MoiMoi Australia
728113895 · Nov 2
€483 EUR
A$830 AUD
View
1 more retailer has this diamond

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.

B
1.54ct Heart
€483 EUR