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Heart|Natural|GIA

1.25ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1553638557

Certificate GIA 1553638557

Diamond specifications and retailer prices

From €1,546 EUR
$1,734 USD
As of November 1, 2026
Save €2,593 EUR (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,139 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.25ct natural heart diamond

This 1.25ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded H 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 1553638557. Listed at 14 retailers as of October 30, 2026, with prices from €1,546 to €4,139, a €2,593 spread on the same certified stone. NZ Jewellers lists it at €4,139. 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

1.25
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.98°
OriginNatural
Grading LabGIA
CertificateGIA 1553638557
Dimensions6.63 × 7.51 × 4.22 mm
L/W Ratio1.13
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
6.63 mm7.51 mm1.25 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553638557
Side View
Table 58.0%Crown 36.98°Girdle: MED-VTKPavilionCulet: NoneDepth 56.2%

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: €4,139 EUR|Low: €1,546 EUR|High: €4,202 EUR|Avg: €2,357 EUR|-1.5%
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 2, 2026
Retailer 14€1,546 EUR
Retailer 4€1,566 EUR
Retailer 2€1,677 EUR
Retailer 6€1,697 EUR
Retailer 12€1,697 EUR
Retailer 11€1,753 EUR
Retailer 3€1,765 EUR
Retailer 5€1,775 EUR
Retailer 13€1,819 EUR
Retailer 10€1,859 EUR
Retailer 7€1,861 EUR
Retailer 9€1,958 EUR
Retailer 8€2,988 EUR
NZ Jewellers€4,139 EUR

40 data points across 14 retailers

14 retailers€1,546 EUR to €4,139 EUR

A
Cheapest Retailer
-
€1,546 EUR
$1,734 USD
A
Retailer 2
-
€1,566 EUR
$1,756 USD
View
Final sale: no returns
A
Retailer 3
-
€1,677 EUR
£1,481 GBP
View
A
Retailer 4
-
€1,697 EUR
$1,903 USD
View
A
Retailer 5
-
€1,697 EUR
$1,903 USD
View
A
Retailer 6
-
€1,753 EUR
$1,966 USD
View
A
Retailer 7
-
€1,765 EUR
$1,980 USD
View
A
Retailer 8
-
€1,775 EUR
$1,991 USD
View
A
Retailer 9
-
€1,819 EUR
$2,041 USD
View
A
Retailer 10
-
€1,859 EUR
$2,085 USD
View
A
Retailer 11
-
€1,861 EUR
£1,643 GBP
View
A
Retailer 12
-
€1,958 EUR
$2,196 USD
View
B+
Retailer 13
-
€2,988 EUR
£2,639 GBP
View
Most Expensive
B
NZ Jewellers
b6e459be-f91b-4c67-87a6-031833ab505e · Oct 30
€4,139 EUR
$4,642 USD
View
13 more retailers have this diamond
Prices start from €1,546 EURSave up to €2,593 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
1.25ct Heart
€1,546 EUR