Heart|Natural|GIA

1.33ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6512405390

Certificate GIA 6512405390

Diamond specifications and retailer prices

From €2,692 EUR
As of November 4, 2026
Save €3,412 EUR (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €6,105 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.33ct natural heart diamond

This 1.33ct natural heart sits in the one-and-a-quarter to one-and-a-half 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 6512405390. Listed at 19 retailers as of November 4, 2026, with prices from €2,692 to €6,105, a €3,412 spread on the same certified stone. NZ Jewellers lists it at €6,105. 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

1.33
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle43.68°
Pavilion angle39.45°
OriginNatural
Grading LabGIA
CertificateGIA 6512405390
Dimensions6.68 × 7.51 × 4.47 mm
L/W Ratio1.12
Top View
6.68 mm7.51 mm1.33 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6512405390
Side View
Table 60.0%Crown 43.68°Girdle: MED-THKPavilion 39.45°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €6,105 EUR|Low: €2,301 EUR|High: €6,105 EUR|Avg: €3,786 EUR
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
November 6, 2026
Retailer 12€2,711 EUR
Retailer 8€2,762 EUR
Retailer 9€2,930 EUR
Retailer 11€3,174 EUR
Retailer 13€3,174 EUR
Retailer 10€3,297 EUR
Retailer 5€3,358 EUR
Retailer 6€3,549 EUR
Retailer 3€3,663 EUR
Retailer 2€4,024 EUR
Retailer 4€5,063 EUR
Retailer 7€5,860 EUR
NZ Jewellers€6,105 EUR

43 data points across 13 retailers

19 retailers€2,692 EUR to €6,105 EUR

A
Cheapest Retailer
-
€2,692 EUR
A
Retailer 2
-
€2,711 EUR
View
B+
Retailer 3
-
€2,761 EUR
View
B+
Retailer 4
-
€2,762 EUR
View
B+
Retailer 5
-
€2,818 EUR
View
B+
Retailer 6
-
€2,930 EUR
View
Final sale: no returns
B+
Retailer 7
-
€3,174 EUR
View
Retailer 8
-
€3,174 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€3,180 EUR
View
B+
Retailer 10
-
€3,297 EUR
View
Retailer 11
-
€3,358 EUR
View
Price last confirmed 15 days ago
B
Retailer 12
-
€3,452 EUR
View
B+
Retailer 13
-
€3,549 EUR
View
Retailer 14
-
€3,663 EUR
View
Price last confirmed 62 days ago
B
Retailer 15
-
€3,663 EUR
View
Retailer 16
-
€4,024 EUR
View
B
Retailer 17
-
€5,063 EUR
View
B
Retailer 18
-
€5,860 EUR
View
Most Expensive
B
NZ Jewellers
f5f8786c-eb15-4f22-ba81-4ec7ed7f19c8 · Nov 5
€6,105 EUR
$6,816 USD
View
18 more retailers have this diamond
Prices start from €2,692 EURSave up to €3,412 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
1.33ct Heart
€2,692 EUR