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Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6552581364

Certificate GIA 6552581364

Diamond specifications and retailer prices

From €1,478 EUR
HK$12,900 HKD
As of November 1, 2026
Save €2,134 EUR (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,689 EUR at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-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 6552581364. Listed at 12 retailers as of October 29, 2026, with a 144% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.21
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552581364
Dimensions6.47 × 7.29 × 4.23 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
6.47 mm7.29 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552581364
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 57.9%

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: €3,258 EUR|Low: €1,478 EUR|High: €3,976 EUR|Avg: €2,295 EUR|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7€1,478 EUR
Retailer 5€1,635 EUR
Retailer 3€1,703 EUR
Retailer 10€1,775 EUR
Retailer 8€1,809 EUR
Retailer 6€1,889 EUR
Retailer 4€1,975 EUR
Retailer 2€3,065 EUR
Retailer 1€3,258 EUR
Retailer 9€3,612 EUR

40 data points across 10 retailers

12 retailers€1,478 EUR to €3,612 EUR

A
Cheapest Retailer
-
€1,478 EUR
HK$12,900 HKD
A
Retailer 2
-
€1,635 EUR
$1,827 USD
View
A
Retailer 3
-
€1,703 EUR
$1,903 USD
View
Final sale: no returns
A
Retailer 4
-
€1,775 EUR
$1,983 USD
View
A
Retailer 5
-
€1,809 EUR
$2,021 USD
View
A
Retailer 6
-
€1,889 EUR
$2,110 USD
View
B+
Retailer 7
-
€1,975 EUR
£1,737 GBP
View
B+
Retailer 8
-
€2,274 EUR
A$3,908 AUD
View
B
Retailer 9
-
€3,065 EUR
$3,425 USD
View
B
Retailer 10
-
€3,258 EUR
$3,640 USD
View
B
Retailer 11
-
€3,612 EUR
£3,177 GBP
View
Most Expensive
NZ Jewellers
6173e6b6-e200-4ca0-9bfb-b2af4827b16b · Sep 25
€4,689 EUR
$5,239 USD
View
Price last confirmed 37 days ago
11 more retailers have this diamond
Prices start from €1,478 EURSave up to €2,134 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
1.21ct Heart
€1,478 EUR