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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 1489291904

Certificate GIA 1489291904

Diamond specifications and retailer prices

From €1,501 EUR
As of November 6, 2026
Save €2,719 EUR (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,220 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded H 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 1489291904. Listed at 19 retailers as of November 5, 2026, with prices from €1,501 to €4,220, a €2,719 spread on the same certified stone. NZ Jewellers lists it at €4,220. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle1°
Pavilion angle1°
OriginNatural
Grading LabGIA
CertificateGIA 1489291904
Dimensions5.79 × 6.76 × 4.17 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
5.79 mm6.76 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1489291904
Side View
Table 58.0%Crown 1°Girdle: ETK-ETKPavilion 1°Culet: NoneDepth 61.7%

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 6
Current: €4,220 EUR|Low: €1,486 EUR|High: €4,322 EUR|Avg: €2,377 EUR|-2.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 14€1,501 EUR
Retailer 5€1,770 EUR
Retailer 4€1,824 EUR
Retailer 7€1,863 EUR
Retailer 16€1,910 EUR
Retailer 3€2,019 EUR
Retailer 9€2,019 EUR
Retailer 19€2,024 EUR
Retailer 8€2,085 EUR
Retailer 15€2,112 EUR
Retailer 18€2,142 EUR
Retailer 2€2,186 EUR
Retailer 17€2,329 EUR
Retailer 6€2,354 EUR
Retailer 12€2,463 EUR
Retailer 11€2,545 EUR
Retailer 10€2,900 EUR
Retailer 13€3,527 EUR
NZ Jewellers€4,220 EUR

46 data points across 19 retailers

19 retailers€1,501 EUR to €4,220 EUR

A
Cheapest Retailer
-
€1,501 EUR
B+
Retailer 2
-
€1,770 EUR
View
B+
Retailer 3
-
€1,824 EUR
View
B+
Retailer 4
-
€1,863 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,910 EUR
View
Retailer 6
-
€2,019 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€2,019 EUR
View
B+
Retailer 8
-
€2,024 EUR
View
B
Retailer 9
-
€2,085 EUR
View
B
Retailer 10
-
€2,112 EUR
View
B
Retailer 11
-
€2,142 EUR
View
B+
Retailer 12
-
€2,186 EUR
View
B+
Retailer 13
-
€2,329 EUR
View
B
Retailer 14
-
€2,354 EUR
View
B+
Retailer 15
-
€2,463 EUR
View
Retailer 16
-
€2,545 EUR
View
Price last confirmed 31 days ago
B
Retailer 17
-
€2,900 EUR
View
B
Retailer 18
-
€3,527 EUR
View
Most Expensive
B
NZ Jewellers
468513ec-9b8d-4a44-bbbc-c7da6172cc2c · Nov 5
€4,220 EUR
$4,712 USD
View
18 more retailers have this diamond
Prices start from €1,501 EURSave up to €2,719 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
1.00ct Heart
€1,501 EUR