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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
HK$13,100 HKD
As of November 1, 2026
Save €2,717 EUR (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,218 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €1,501 to €4,218, a €2,717 spread on the same certified stone. NZ Jewellers lists it at €4,218. 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
Color
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 1
Current: €4,218 EUR|Low: €1,485 EUR|High: €4,319 EUR|Avg: €2,367 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 2, 2026
Retailer 12€1,501 EUR
Retailer 5€1,769 EUR
Retailer 4€1,822 EUR
Retailer 7€1,862 EUR
Retailer 16€1,909 EUR
Retailer 3€2,018 EUR
Retailer 9€2,018 EUR
Retailer 19€2,023 EUR
Retailer 8€2,084 EUR
Retailer 15€2,111 EUR
Retailer 18€2,142 EUR
Retailer 2€2,214 EUR
Retailer 17€2,327 EUR
Retailer 6€2,353 EUR
Retailer 13€2,480 EUR
Retailer 11€2,544 EUR
Retailer 10€2,899 EUR
Retailer 14€3,554 EUR
NZ Jewellers€4,218 EUR

45 data points across 19 retailers

19 retailers€1,501 EUR to €4,218 EUR

A
Cheapest Retailer
-
€1,501 EUR
HK$13,100 HKD
B+
Retailer 2
-
€1,769 EUR
$1,976 USD
View
B+
Retailer 3
-
€1,822 EUR
$2,036 USD
View
B+
Retailer 4
-
€1,862 EUR
$2,080 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,909 EUR
$2,133 USD
View
B+
Retailer 6
-
€2,018 EUR
$2,254 USD
View
B+
Retailer 7
-
€2,018 EUR
$2,254 USD
View
B+
Retailer 8
-
€2,023 EUR
$2,260 USD
View
B
Retailer 9
-
€2,084 EUR
SGD 3,146 SGD
View
B
Retailer 10
-
€2,111 EUR
$2,358 USD
View
B
Retailer 11
-
€2,142 EUR
$2,393 USD
View
B+
Retailer 12
-
€2,214 EUR
£1,947 GBP
View
B+
Retailer 13
-
€2,327 EUR
$2,600 USD
View
B
Retailer 14
-
€2,353 EUR
$2,629 USD
View
B
Retailer 15
-
€2,480 EUR
ZAR 44,752 ZAR
View
Retailer 16
-
€2,544 EUR
A$4,372 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
€2,899 EUR
$3,238 USD
View
B
Retailer 18
-
€3,554 EUR
£3,126 GBP
View
Most Expensive
B
NZ Jewellers
468513ec-9b8d-4a44-bbbc-c7da6172cc2c · Oct 30
€4,218 EUR
$4,712 USD
View
18 more retailers have this diamond
Prices start from €1,501 EURSave up to €2,717 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