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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 $4,739 NZD
As of November 6, 2026
Save $6,824 NZD (59%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,563 NZD 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 $4,739 to $11,563, a $6,824 spread on the same certified stone. NZ Jewellers lists it at $11,563. 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: $11,563 NZD|Low: $4,580 NZD|High: $11,563 NZD|Avg: $6,880 NZD|+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$4,739 NZD
Retailer 9$5,161 NZD
Retailer 7$5,496 NZD
Retailer 17$6,012 NZD
Retailer 19$6,012 NZD
Retailer 11$6,061 NZD
Retailer 10$6,223 NZD
Retailer 18$6,243 NZD
Retailer 12$6,364 NZD
Retailer 2$6,438 NZD
Retailer 4$6,451 NZD
Retailer 13$6,613 NZD
Retailer 3$6,819 NZD
Retailer 5$6,819 NZD
Retailer 20$6,938 NZD
Retailer 6$7,053 NZD
Retailer 14$7,724 NZD
Retailer 15$8,100 NZD
Retailer 16$11,069 NZD
NZ Jewellers$11,563 NZD

35 data points across 20 retailers

18 retailers$4,739 NZD to $11,563 NZD

A
Cheapest Retailer
-
$4,739 NZD
A
Retailer 2
-
$5,161 NZD
View
B+
Retailer 3
-
$5,496 NZD
View
Final sale: no returns
B+
Retailer 4
-
$6,012 NZD
View
B+
Retailer 5
-
$6,223 NZD
View
B+
Retailer 6
-
$6,243 NZD
View
B+
Retailer 7
-
$6,438 NZD
View
B+
Retailer 8
-
$6,451 NZD
View
B+
Retailer 9
-
$6,613 NZD
View
B+
Retailer 10
-
$6,819 NZD
View
B+
Retailer 11
-
$6,819 NZD
View
Retailer 12
-
$6,871 NZD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$6,938 NZD
View
B
Retailer 14
-
$7,053 NZD
View
B+
Retailer 15
-
$7,724 NZD
View
B
Retailer 16
-
$8,100 NZD
View
B
Retailer 17
-
$11,069 NZD
View
Most Expensive
B
NZ Jewellers
37da4c9f-a3f6-417c-9436-265a43f6b7a6 · Nov 5
$11,563 NZD
$6,410 USD
View
17 more retailers have this diamond
Prices start from $4,739 NZDSave up to $6,824 NZD

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
$4,739 NZD