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Heart|Natural|GIA

1.53ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6545588686

Certificate GIA 6545588686

Diamond specifications and retailer prices

From $6,480 NZD
£2,871 GBP
As of November 2, 2026
Save $5,094 NZD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,574 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two 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 6545588686. Listed at 6 retailers as of October 30, 2026, with prices from $6,480 to $11,574, a $5,094 spread on the same certified stone. NZ Jewellers lists it at $11,574. 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

1.53
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.19°
Pavilion angle41.59°
OriginNatural
Grading LabGIA
CertificateGIA 6545588686
Dimensions6.98 × 8.11 × 4.71 mm
L/W Ratio1.16
Top View
6.98 mm8.11 mm1.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545588686
Side View
Table 62.0%Crown 34.19°Girdle: MED-THKPavilion 41.59°Culet: NoneDepth 58.1%

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 2
Current: $11,574 NZD|Low: $6,181 NZD|High: $11,808 NZD|Avg: $8,152 NZD|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$6,181 NZD
Retailer 2$6,480 NZD
Retailer 3$6,644 NZD
Retailer 5$6,903 NZD
Retailer 6$7,038 NZD
Retailer 8$7,647 NZD
Retailer 9$8,096 NZD
Retailer 4$11,110 NZD
NZ Jewellers$11,574 NZD

30 data points across 9 retailers

6 retailers$6,480 NZD to $11,574 NZD

A
Cheapest Retailer
-
$6,480 NZD
£2,871 GBP
A
Retailer 2
-
$6,644 NZD
$3,738 USD
View
A
Retailer 3
-
$6,903 NZD
$3,884 USD
View
A
Retailer 4
-
$7,038 NZD
$3,960 USD
View
B+
Retailer 5
-
$11,110 NZD
£4,922 GBP
View
Most Expensive
B
NZ Jewellers
0c94e780-c29f-4b52-9932-ef9750c9ded8 · Oct 30
$11,574 NZD
$6,512 USD
View
5 more retailers have this diamond
Prices start from $6,480 NZDSave up to $5,094 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
1.53ct Heart
$6,480 NZD