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Heart|Natural|GIA

1.30ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 6551291505

Certificate GIA 6551291505

Diamond specifications and retailer prices

From €2,351 EUR
$2,627 USD
As of November 1, 2026
Save €3,386 EUR (59%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €5,738 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €2,351 to €5,738, a €3,386 spread on the same certified stone. NZ Jewellers lists it at €5,738. 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
Color
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 1
Current: €5,738 EUR|Low: €2,273 EUR|High: €5,738 EUR|Avg: €3,411 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 2, 2026
Retailer 8€2,351 EUR
Retailer 9€2,561 EUR
Retailer 7€2,727 EUR
Retailer 16€2,983 EUR
Retailer 18€2,983 EUR
Retailer 11€3,008 EUR
Retailer 10€3,088 EUR
Retailer 17€3,098 EUR
Retailer 12€3,159 EUR
Retailer 4€3,201 EUR
Retailer 2€3,212 EUR
Retailer 3€3,383 EUR
Retailer 5€3,383 EUR
Retailer 20€3,443 EUR
Retailer 6€3,500 EUR
Retailer 19€3,729 EUR
Retailer 13€3,854 EUR
Retailer 15€4,048 EUR
Retailer 14€5,508 EUR
NZ Jewellers€5,738 EUR

33 data points across 20 retailers

18 retailers€2,351 EUR to €5,738 EUR

A
Cheapest Retailer
-
€2,351 EUR
$2,627 USD
A
Retailer 2
-
€2,561 EUR
$2,861 USD
View
B+
Retailer 3
-
€2,727 EUR
$3,047 USD
View
Final sale: no returns
B+
Retailer 4
-
€2,983 EUR
$3,333 USD
View
B+
Retailer 5
-
€3,088 EUR
$3,450 USD
View
B+
Retailer 6
-
€3,098 EUR
$3,461 USD
View
B+
Retailer 7
-
€3,201 EUR
$3,576 USD
View
B+
Retailer 8
-
€3,212 EUR
£2,826 GBP
View
B+
Retailer 9
-
€3,356 EUR
$3,749 USD
View
B+
Retailer 10
-
€3,383 EUR
$3,780 USD
View
B+
Retailer 11
-
€3,383 EUR
$3,780 USD
View
Retailer 12
-
€3,409 EUR
$3,809 USD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
€3,443 EUR
$3,846 USD
View
B
Retailer 14
-
€3,500 EUR
$3,910 USD
View
B+
Retailer 15
-
€3,854 EUR
View
B
Retailer 16
-
€4,048 EUR
ZAR 73,059 ZAR
View
B
Retailer 17
-
€5,508 EUR
£4,845 GBP
View
Most Expensive
B
NZ Jewellers
37da4c9f-a3f6-417c-9436-265a43f6b7a6 · Oct 30
€5,738 EUR
$6,410 USD
View
17 more retailers have this diamond
Prices start from €2,351 EURSave up to €3,386 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
€2,351 EUR