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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 $2,627 USD
As of November 4, 2026
Save $3,783 USD (59%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,410 USD at NZ Jewellers · As of November 3, 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 3, 2026, with prices from $2,627 to $6,410, a $3,783 spread on the same certified stone. NZ Jewellers lists it at $6,410. 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 4
Current: $6,410 USD|Low: $2,539 USD|High: $6,410 USD|Avg: $3,812 USD|+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 4, 2026
Retailer 8$2,627 USD
Retailer 9$2,861 USD
Retailer 7$3,047 USD
Retailer 16$3,333 USD
Retailer 18$3,333 USD
Retailer 11$3,360 USD
Retailer 10$3,450 USD
Retailer 17$3,461 USD
Retailer 12$3,528 USD
Retailer 4$3,576 USD
Retailer 13$3,581 USD
Retailer 3$3,780 USD
Retailer 5$3,780 USD
Retailer 20$3,846 USD
Retailer 6$3,910 USD
Retailer 19$4,166 USD
Retailer 14$4,289 USD
Retailer 15$4,522 USD
Retailer 2$6,136 USD
NZ Jewellers$6,410 USD

33 data points across 20 retailers

18 retailers$2,627 USD to $6,410 USD

A
Cheapest Retailer
-
$2,627 USD
A
Retailer 2
-
$2,861 USD
View
B+
Retailer 3
-
$3,047 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,333 USD
View
B+
Retailer 5
-
$3,450 USD
View
B+
Retailer 6
-
$3,461 USD
View
B+
Retailer 7
-
$3,576 USD
View
B+
Retailer 8
-
$3,581 USD
View
B+
Retailer 9
-
$3,749 USD
View
B+
Retailer 10
-
$3,780 USD
View
B+
Retailer 11
-
$3,780 USD
View
Retailer 12
-
$3,809 USD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
$3,846 USD
View
B
Retailer 14
-
$3,910 USD
View
B+
Retailer 15
-
$4,289 USD
View
B
Retailer 16
-
$4,522 USD
View
B
Retailer 17
-
$6,136 USD
View
Most Expensive
B
NZ Jewellers
37da4c9f-a3f6-417c-9436-265a43f6b7a6 · Nov 3
$6,410 USD
View
17 more retailers have this diamond
Prices start from $2,627 USDSave up to $3,783 USD

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
$2,627 USD