Heart|Natural|GIA

1.30ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 6551291505

Certificate GIA 6551291505

Diamond specifications and retailer prices

From €2,353 EUR
As of November 6, 2026
Save €3,388 EUR (59%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €5,741 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551291505. Listed at 18 retailers as of November 5, 2026, with prices from €2,353 to €5,741, a €3,388 spread on the same certified stone. NZ Jewellers lists it at €5,741. 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

1.30
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551291505
Dimensions7.59 × 6.42 × 4.42 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
7.59 mm6.42 mm1.30 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551291505
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.3%

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: €5,741 EUR|Low: €2,274 EUR|High: €5,741 EUR|Avg: €3,416 EUR|+1.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 8€2,353 EUR
Retailer 9€2,562 EUR
Retailer 7€2,729 EUR
Retailer 17€2,985 EUR
Retailer 19€2,985 EUR
Retailer 11€3,009 EUR
Retailer 10€3,090 EUR
Retailer 18€3,100 EUR
Retailer 12€3,160 EUR
Retailer 2€3,197 EUR
Retailer 4€3,203 EUR
Retailer 13€3,283 EUR
Retailer 3€3,386 EUR
Retailer 5€3,386 EUR
Retailer 20€3,445 EUR
Retailer 6€3,502 EUR
Retailer 14€3,835 EUR
Retailer 15€4,022 EUR
Retailer 16€5,496 EUR
NZ Jewellers€5,741 EUR

35 data points across 20 retailers

18 retailers€2,353 EUR to €5,741 EUR

A
Cheapest Retailer
-
€2,353 EUR
A
Retailer 2
-
€2,562 EUR
View
B+
Retailer 3
-
€2,729 EUR
View
Final sale: no returns
B+
Retailer 4
-
€2,985 EUR
View
B+
Retailer 5
-
€3,090 EUR
View
B+
Retailer 6
-
€3,100 EUR
View
B+
Retailer 7
-
€3,197 EUR
View
B+
Retailer 8
-
€3,203 EUR
View
B+
Retailer 9
-
€3,283 EUR
View
B+
Retailer 10
-
€3,386 EUR
View
B+
Retailer 11
-
€3,386 EUR
View
Retailer 12
-
€3,412 EUR
View
Price last confirmed 29 days ago
B+
Retailer 13
-
€3,445 EUR
View
B
Retailer 14
-
€3,502 EUR
View
B+
Retailer 15
-
€3,835 EUR
View
B
Retailer 16
-
€4,022 EUR
View
B
Retailer 17
-
€5,496 EUR
View
Most Expensive
B
NZ Jewellers
37da4c9f-a3f6-417c-9436-265a43f6b7a6 · Nov 5
€5,741 EUR
$6,410 USD
View
17 more retailers have this diamond
Prices start from €2,353 EURSave up to €3,388 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
1.30ct Heart
€2,353 EUR