Heart|Natural|GIA

1.21ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 7531927035

Certificate GIA 7531927035

Diamond specifications and retailer prices

From €1,570 EUR
As of November 4, 2026
Save €2,632 EUR (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,202 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 7531927035. Listed at 14 retailers as of November 4, 2026, with prices from €1,570 to €4,202, a €2,632 spread on the same certified stone. NZ Jewellers lists it at €4,202. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.39°
OriginNatural
Grading LabGIA
CertificateGIA 7531927035
Dimensions6.67 × 7.46 × 4.13 mm
L/W Ratio1.12
Cert comments
Additional twinning wisps, clouds, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.67 mm7.46 mm1.21 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531927035
Side View
Table 56.0%Crown 35.39°Girdle: STK-VTKPavilionCulet: NoneDepth 55.3%

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 4
Current: €4,202 EUR|Low: €1,570 EUR|High: €4,202 EUR|Avg: €2,149 EUR|+5.4%
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
November 6, 2026
Retailer 14€1,570 EUR
Retailer 4€1,590 EUR
Retailer 11€1,681 EUR
Retailer 2€1,694 EUR
Retailer 6€1,723 EUR
Retailer 12€1,723 EUR
Retailer 3€1,800 EUR
Retailer 5€1,802 EUR
Retailer 13€1,846 EUR
Retailer 7€1,871 EUR
Retailer 10€1,887 EUR
Retailer 9€1,987 EUR
Retailer 8€3,010 EUR
NZ Jewellers€4,202 EUR

33 data points across 14 retailers

14 retailers€1,570 EUR to €4,202 EUR

A
Cheapest Retailer
-
€1,570 EUR
A
Retailer 2
-
€1,590 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,681 EUR
View
A
Retailer 4
-
€1,694 EUR
View
Retailer 5
-
€1,723 EUR
View
Price last confirmed 9 days ago
A
Retailer 6
-
€1,723 EUR
View
A
Retailer 7
-
€1,800 EUR
View
A
Retailer 8
-
€1,802 EUR
View
A
Retailer 9
-
€1,846 EUR
View
A
Retailer 10
-
€1,871 EUR
View
A
Retailer 11
-
€1,887 EUR
View
B+
Retailer 12
-
€1,987 EUR
View
B
Retailer 13
-
€3,010 EUR
View
Most Expensive
B
NZ Jewellers
27a37495-7bb8-4783-99b6-022636c6302d · Nov 5
€4,202 EUR
$4,692 USD
View
13 more retailers have this diamond
Prices start from €1,570 EURSave up to €2,632 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
€1,570 EUR