Heart|Natural|GIA

1.54ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 2235909979

Certificate GIA 2235909979

Diamond specifications and retailer prices

From €3,284 EUR
As of November 4, 2026
Save €4,004 EUR (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €7,601 EUR at NZ Jewellers · As of October 21, 2026
View at NZ Jewellers

About this 1.54ct natural heart diamond

This 1.54ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235909979. Listed at 14 retailers as of November 4, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2235909979
Dimensions6.88 × 7.95 × 4.70 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Needle
Top View
6.88 mm7.95 mm1.54 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235909979
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
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: Nov 4
Current: €7,601 EUR|Low: €4,117 EUR|High: €7,601 EUR|Avg: €5,388 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7€4,117 EUR
Retailer 8€4,117 EUR
Retailer 2€4,391 EUR
Retailer 6€4,751 EUR
Retailer 3€5,163 EUR
Retailer 4€5,598 EUR
Retailer 5€7,289 EUR
NZ Jewellers€7,601 EUR

44 data points across 8 retailers

14 retailers€3,284 EUR to €7,289 EUR

A
Cheapest Retailer
-
€3,284 EUR
B+
Retailer 2
-
€3,514 EUR
View
Retailer 3
-
€4,117 EUR
View
Price last confirmed 16 days ago
Retailer 4
-
€4,117 EUR
View
Price last confirmed 16 days ago
B+
Retailer 5
-
€4,147 EUR
View
B+
Retailer 6
-
€4,391 EUR
View
B
Retailer 7
-
€4,666 EUR
View
B
Retailer 8
-
€4,666 EUR
View
Retailer 9
-
€4,751 EUR
View
Price last confirmed 15 days ago
B
Retailer 10
-
€4,828 EUR
View
B
Retailer 11
-
€5,163 EUR
View
B
Retailer 12
-
€5,598 EUR
View
B
Retailer 13
-
€7,289 EUR
View
Most Expensive
NZ Jewellers
a064752c-4ec3-4b38-ab10-859218f74f73 · Oct 21
€7,601 EUR
$8,486 USD
View
Price last confirmed 16 days ago
13 more retailers have this diamond
Prices start from €3,284 EURSave up to €4,004 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
1.54ct Heart
€3,284 EUR