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Heart|Natural|GIA

1.54ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 6535937549

Certificate GIA 6535937549

Diamond specifications and retailer prices

From $5,284 NZD
$2,978 USD
As of November 1, 2026
Save $5,857 NZD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,141 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.54ct natural heart diamond

This 1.54ct 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 6535937549. Listed at 14 retailers as of October 30, 2026, with prices from $5,284 to $11,141, a $5,857 spread on the same certified stone. NZ Jewellers lists it at $11,141. 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

1.54
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.93°
OriginNatural
Grading LabGIA
CertificateGIA 6535937549
Dimensions8.18 × 7.25 × 4.53 mm
L/W Ratio1.13
Top View
8.18 mm7.25 mm1.54 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535937549
Side View
Table 58.0%Crown 34.93°Girdle: MED-VTKPavilionCulet: NoneDepth 55.4%

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: $11,141 NZD|Low: $5,284 NZD|High: $12,175 NZD|Avg: $7,399 NZD|-8.5%
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
November 2, 2026
Retailer 6$5,284 NZD
Retailer 13$5,676 NZD
Retailer 14$5,901 NZD
Retailer 2$6,237 NZD
Retailer 5$6,395 NZD
Retailer 11$6,395 NZD
Retailer 4$6,639 NZD
Retailer 12$6,652 NZD
Retailer 7$6,683 NZD
Retailer 3$6,760 NZD
Retailer 10$6,817 NZD
Retailer 9$7,378 NZD
Retailer 8$10,694 NZD
NZ Jewellers$11,141 NZD

32 data points across 14 retailers

14 retailers$5,284 NZD to $11,141 NZD

A
Cheapest Retailer
-
$5,284 NZD
$2,978 USD
A
Retailer 2
-
$5,676 NZD
$3,199 USD
View
A
Retailer 3
-
$5,901 NZD
$3,326 USD
View
Final sale: no returns
A
Retailer 4
-
$6,237 NZD
£2,768 GBP
View
A
Retailer 5
-
$6,395 NZD
$3,604 USD
View
A
Retailer 6
-
$6,395 NZD
$3,604 USD
View
A
Retailer 7
-
$6,639 NZD
$3,742 USD
View
A
Retailer 8
-
$6,652 NZD
$3,749 USD
View
A
Retailer 9
-
$6,683 NZD
£2,966 GBP
View
A
Retailer 10
-
$6,760 NZD
$3,810 USD
View
A
Retailer 11
-
$6,817 NZD
$3,842 USD
View
A
Retailer 12
-
$7,378 NZD
$4,158 USD
View
B
Retailer 13
-
$10,694 NZD
£4,746 GBP
View
Most Expensive
B+
NZ Jewellers
ea83e2a4-0a00-4111-99d2-b0ae3617cafa · Oct 30
$11,141 NZD
$6,279 USD
View
13 more retailers have this diamond
Prices start from $5,284 NZDSave up to $5,857 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
1.54ct Heart
$5,284 NZD