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Heart|Natural|GIA

1.54ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 6535937549

Certificate GIA 6535937549

Diamond specifications and retailer prices

From €2,666 EUR
$2,978 USD
As of November 1, 2026
Save €2,955 EUR (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,620 EUR at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535937549. Listed at 14 retailers as of October 30, 2026, with prices from €2,666 to €5,620, a €2,955 spread on the same certified stone. NZ Jewellers lists it at €5,620. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.93°
OriginNatural
Grading LabGIA
CertificateGIA 6535937549
Dimensions8.18 × 7.25 × 4.53 mm
L/W Ratio1.13
Top View
8.18 mm7.25 mm1.54 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535937549
Side View
Table 58.0%Crown 34.93°Girdle: MED-VTKPavilionCulet: NoneDepth 55.4%

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 1
Current: €5,620 EUR|Low: €2,666 EUR|High: €6,142 EUR|Avg: €3,729 EUR|-8.5%
NZ Jewellers
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
November 1, 2026
Retailer 6€2,666 EUR
Retailer 13€2,863 EUR
Retailer 14€2,977 EUR
Retailer 2€3,147 EUR
Retailer 5€3,226 EUR
Retailer 11€3,226 EUR
Retailer 4€3,349 EUR
Retailer 12€3,356 EUR
Retailer 8€3,371 EUR
Retailer 3€3,410 EUR
Retailer 10€3,439 EUR
Retailer 9€3,722 EUR
Retailer 7€5,395 EUR
NZ Jewellers€5,620 EUR

32 data points across 14 retailers

14 retailers€2,666 EUR to €5,620 EUR

A
Cheapest Retailer
-
€2,666 EUR
$2,978 USD
A
Retailer 2
-
€2,863 EUR
$3,199 USD
View
A
Retailer 3
-
€2,977 EUR
$3,326 USD
View
Final sale: no returns
A
Retailer 4
-
€3,147 EUR
£2,768 GBP
View
A
Retailer 5
-
€3,226 EUR
$3,604 USD
View
A
Retailer 6
-
€3,226 EUR
$3,604 USD
View
A
Retailer 7
-
€3,349 EUR
$3,742 USD
View
A
Retailer 8
-
€3,356 EUR
$3,749 USD
View
A
Retailer 9
-
€3,371 EUR
£2,966 GBP
View
A
Retailer 10
-
€3,410 EUR
$3,810 USD
View
A
Retailer 11
-
€3,439 EUR
$3,842 USD
View
A
Retailer 12
-
€3,722 EUR
$4,158 USD
View
B
Retailer 13
-
€5,395 EUR
£4,746 GBP
View
Most Expensive
B+
NZ Jewellers
ea83e2a4-0a00-4111-99d2-b0ae3617cafa · Oct 30
€5,620 EUR
$6,279 USD
View
13 more retailers have this diamond
Prices start from €2,666 EURSave up to €2,955 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
€2,666 EUR