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Heart|Natural|GIA

1.21ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5536984909

Certificate GIA 5536984909

Diamond specifications and retailer prices

From €1,505 EUR
As of November 6, 2026
Save €2,585 EUR (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,090 EUR at NZ Jewellers · As of November 5, 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 I 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 5536984909. Listed at 16 retailers as of November 5, 2026, with prices from €1,505 to €4,090, a €2,585 spread on the same certified stone. NZ Jewellers lists it at €4,090. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.07°
Pavilion angle43°
OriginNatural
Grading LabGIA
CertificateGIA 5536984909
Dimensions7.43 × 6.55 × 4.46 mm
L/W Ratio1.13
Top View
7.43 mm6.55 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536984909
Side View
Table 60.0%Crown 36.07°Girdle: STK-VTKPavilion 43°Culet: NoneDepth 60.0%

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: €4,090 EUR|Low: €1,505 EUR|High: €4,213 EUR|Avg: €2,155 EUR|-2.9%
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
November 6, 2026
Retailer 9€1,505 EUR
Retailer 2€1,524 EUR
Retailer 10€1,624 EUR
Retailer 4€1,677 EUR
Retailer 6€1,682 EUR
Retailer 7€1,728 EUR
Retailer 5€1,754 EUR
Retailer 12€1,774 EUR
Retailer 13€1,793 EUR
Retailer 8€1,801 EUR
Retailer 15€1,814 EUR
Retailer 14€1,906 EUR
Retailer 11€2,244 EUR
Retailer 3€2,929 EUR
NZ Jewellers€4,090 EUR

30 data points across 15 retailers

16 retailers€1,505 EUR to €4,090 EUR

A
Cheapest Retailer
-
€1,505 EUR
A
Retailer 2
-
€1,524 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,624 EUR
View
A
Retailer 4
-
€1,677 EUR
View
A
Retailer 5
-
€1,682 EUR
View
Retailer 6
-
€1,728 EUR
View
Price last confirmed 8 days ago
Retailer 7
-
€1,728 EUR
View
Price last confirmed 21 days ago
A
Retailer 8
-
€1,754 EUR
View
A
Retailer 9
-
€1,774 EUR
View
A
Retailer 10
-
€1,793 EUR
View
A
Retailer 11
-
€1,801 EUR
View
B+
Retailer 12
-
€1,814 EUR
View
A
Retailer 13
-
€1,906 EUR
View
B+
Retailer 14
-
€2,244 EUR
View
B
Retailer 15
-
€2,929 EUR
View
Most Expensive
B
NZ Jewellers
a466cf9b-e0f0-4729-a109-7e13c56f6111 · Nov 5
€4,090 EUR
$4,566 USD
View
15 more retailers have this diamond
Prices start from €1,505 EURSave up to €2,585 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
€1,505 EUR