CaratHunter
Plans
Heart|Natural|GIA

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6542545800

Certificate GIA 6542545800

Diamond specifications and retailer prices

From €1,877 EUR
As of November 2, 2026
Save €2,092 EUR (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €3,970 EUR at NZ Jewellers · As of November 3, 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 E 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 6542545800. Listed at 6 retailers as of November 2, 2026, with prices from €1,877 to €3,970, a €2,092 spread on the same certified stone. NZ Jewellers lists it at €3,970. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.07°
Pavilion angle40.07°
OriginNatural
Grading LabGIA
CertificateGIA 6542545800
Dimensions6.37 × 7.05 × 4.45 mm
L/W Ratio1.11
Top View
6.37 mm7.05 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542545800
Side View
Table 61.0%Crown 44.07°Girdle: MED-VTKPavilion 40.07°Culet: NoneDepth 63.1%

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 2
Current: €3,970 EUR|Low: €1,877 EUR|High: €4,021 EUR|Avg: €2,489 EUR|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2€1,877 EUR
Retailer 5€1,899 EUR
Retailer 6€1,987 EUR
Retailer 7€2,022 EUR
Retailer 3€2,322 EUR
Retailer 8€2,329 EUR
Retailer 11€2,335 EUR
Retailer 9€2,391 EUR
Retailer 10€2,549 EUR
Retailer 4€3,343 EUR
NZ Jewellers€3,970 EUR

29 data points across 11 retailers

6 retailers€1,877 EUR to €3,970 EUR

A
Cheapest Retailer
-
€1,877 EUR
A
Retailer 2
-
€1,899 EUR
View
A
Retailer 3
-
€1,987 EUR
View
A
Retailer 4
-
€2,022 EUR
View
Retailer 5
-
€3,343 EUR
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
beba394f-2a39-4cb9-9660-3e3eea33b07b · Nov 3
€3,970 EUR
$4,432 USD
View
5 more retailers have this diamond
Prices start from €1,877 EURSave up to €2,092 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
€1,877 EUR