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Heart|Natural|GIA

1.21ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 2556967046

Certificate GIA 2556967046

Diamond specifications and retailer prices

From €1,398 EUR
As of November 6, 2026
Save €2,570 EUR (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,968 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556967046. Listed at 10 retailers as of November 5, 2026, with prices from €1,398 to €3,968, a €2,570 spread on the same certified stone. NZ Jewellers lists it at €3,968. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Pavilion angle39.88°
OriginNatural
Grading LabGIA
CertificateGIA 2556967046
Dimensions6.64 × 7.20 × 4.34 mm
L/W Ratio1.08
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
6.64 mm7.20 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556967046
Side View
Table 62.0%CrownGirdle: STK-VTKPavilion 39.88°Culet: NoneDepth 60.3%

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 6
Current: €3,968 EUR|Low: €1,386 EUR|High: €4,643 EUR|Avg: €2,567 EUR|-14.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7€1,398 EUR
Retailer 6€1,784 EUR
Retailer 5€1,898 EUR
Retailer 2€1,939 EUR
Retailer 4€1,986 EUR
Retailer 10€2,310 EUR
Retailer 9€2,495 EUR
Retailer 8€2,897 EUR
Retailer 3€3,317 EUR
NZ Jewellers€3,968 EUR

35 data points across 10 retailers

10 retailers€1,398 EUR to €3,968 EUR

A
Cheapest Retailer
-
€1,398 EUR
A
Retailer 2
-
€1,784 EUR
View
A
Retailer 3
-
€1,898 EUR
View
A
Retailer 4
-
€1,939 EUR
View
A
Retailer 5
-
€1,986 EUR
View
B+
Retailer 6
-
€2,310 EUR
View
Retailer 7
-
€2,495 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€2,897 EUR
View
B+
Retailer 9
-
€3,317 EUR
View
Most Expensive
B
NZ Jewellers
b5984b9e-b597-4fd6-bf64-badd2a1171f9 · Nov 5
€3,968 EUR
$4,430 USD
View
9 more retailers have this diamond
Prices start from €1,398 EURSave up to €2,570 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
€1,398 EUR