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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2427733321

Certificate GIA 2427733321

Diamond specifications and retailer prices

From €1,183 EUR
₹125,919 INR
As of November 1, 2026
Save €3,125 EUR (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,308 EUR at Adiamor · As of November 1, 2026
View at Adiamor

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 2427733321. Listed at 18 retailers as of November 1, 2026, with prices from €1,183 to €4,308, a €3,125 spread on the same certified stone. Adiamor lists it at €4,308. 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
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2427733321
Dimensions6.24 × 6.74 × 3.72 mm
L/W Ratio1.08
Top View
6.24 mm6.74 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2427733321
Side View
Table 59.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 55.3%

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: €2,284 EUR|Low: €1,181 EUR|High: €2,966 EUR|Avg: €1,883 EUR|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5€1,183 EUR
Retailer 7€1,203 EUR
Retailer 10€1,514 EUR
Retailer 11€1,543 EUR
Retailer 9€1,719 EUR
Retailer 3€1,750 EUR
Retailer 4€1,834 EUR
Retailer 8€2,056 EUR
Retailer 2€2,182 EUR
Retailer 1€2,284 EUR
Retailer 6€2,931 EUR

34 data points across 11 retailers

18 retailers€1,183 EUR to €4,308 EUR

A
Cheapest Retailer
-
€1,183 EUR
₹125,919 INR
A
Retailer 2
-
€1,203 EUR
HK$10,500 HKD
View
B+
Retailer 3
-
€1,514 EUR
$1,691 USD
View
A
Retailer 4
-
€1,514 EUR
$1,692 USD
View
B+
Retailer 5
-
€1,543 EUR
$1,724 USD
View
Final sale: no returns
B+
Retailer 6
-
€1,673 EUR
$1,869 USD
View
B+
Retailer 7
-
€1,673 EUR
$1,869 USD
View
B+
Retailer 8
-
€1,674 EUR
SGD 2,528 SGD
View
B+
Retailer 9
-
€1,719 EUR
$1,920 USD
View
B+
Retailer 10
-
€1,750 EUR
$1,955 USD
View
B+
Retailer 11
-
€1,834 EUR
£1,613 GBP
View
B+
Retailer 12
-
€1,930 EUR
$2,156 USD
View
B+
Retailer 13
-
€2,056 EUR
ZAR 37,104 ZAR
View
Retailer 14
-
€2,182 EUR
A$3,751 AUD
View
Price last confirmed 27 days ago
B+
Retailer 15
-
€2,284 EUR
View
B
Retailer 16
-
€2,931 EUR
£2,578 GBP
View
B
Retailer 17
-
€4,080 EUR
$4,558 USD
View
Most Expensive
B
Adiamor
D-51261821 · Nov 1
€4,308 EUR
$4,813 USD
View
17 more retailers have this diamond
Prices start from €1,183 EURSave up to €3,125 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
€1,183 EUR