Heart|Natural|GIA

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6542545800

Certificate GIA 6542545800

Diamond specifications and retailer prices

From €1,876 EUR
£1,651 GBP
As of November 1, 2026
Save €2,091 EUR (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €3,967 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €1,876 to €3,967, a €2,091 spread on the same certified stone. NZ Jewellers lists it at €3,967. 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
Color
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 1
Current: €3,967 EUR|Low: €1,876 EUR|High: €4,018 EUR|Avg: €2,492 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 1, 2026
Retailer 2€1,876 EUR
Retailer 5€1,898 EUR
Retailer 6€1,985 EUR
Retailer 7€2,021 EUR
Retailer 3€2,321 EUR
Retailer 8€2,328 EUR
Retailer 11€2,333 EUR
Retailer 9€2,390 EUR
Retailer 10€2,548 EUR
Retailer 4€3,342 EUR
NZ Jewellers€3,967 EUR

30 data points across 11 retailers

6 retailers€1,876 EUR to €3,967 EUR

A
Cheapest Retailer
-
€1,876 EUR
£1,651 GBP
A
Retailer 2
-
€1,898 EUR
$2,120 USD
View
A
Retailer 3
-
€1,985 EUR
$2,218 USD
View
A
Retailer 4
-
€2,021 EUR
$2,258 USD
View
B+
Retailer 5
-
€3,342 EUR
£2,940 GBP
View
Most Expensive
B
NZ Jewellers
beba394f-2a39-4cb9-9660-3e3eea33b07b · Oct 30
€3,967 EUR
$4,432 USD
View
5 more retailers have this diamond
Prices start from €1,876 EURSave up to €2,091 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
€1,876 EUR