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Heart|Natural|GIA

1.53ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5546018862

Certificate GIA 5546018862

Diamond specifications and retailer prices

From $9,130 NZD
$5,137 USD
As of October 30, 2026
Save $8,915 NZD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,045 NZD at NZ Jewellers · As of November 3, 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 G 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 5546018862. Listed at 15 retailers as of October 30, 2026, with prices from $9,130 to $18,045, a $8,915 spread on the same certified stone. NZ Jewellers lists it at $18,045. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.31°
Pavilion angle41.53°
OriginNatural
Grading LabGIA
CertificateGIA 5546018862
Dimensions6.71 × 7.89 × 4.72 mm
L/W Ratio1.18
Top View
6.71 mm7.89 mm1.53 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546018862
Side View
Table 61.0%Crown 38.31°Girdle: STK-THKPavilion 41.53°Culet: NoneDepth 59.8%

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: Oct 30
Current: $18,045 NZD|Low: $9,128 NZD|High: $18,045 NZD|Avg: $11,501 NZD
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
November 3, 2026
Retailer 7$9,130 NZD
Retailer 6$9,409 NZD
Retailer 12$9,958 NZD
Retailer 15$10,051 NZD
Retailer 8$10,166 NZD
Retailer 2$10,524 NZD
Retailer 13$10,666 NZD
Retailer 3$10,790 NZD
Retailer 4$10,790 NZD
Retailer 11$10,790 NZD
Retailer 14$11,060 NZD
Retailer 5$12,450 NZD
Retailer 10$13,256 NZD
Retailer 9$15,895 NZD
NZ Jewellers$18,045 NZD

36 data points across 15 retailers

15 retailers$9,130 NZD to $18,045 NZD

A
Cheapest Retailer
-
$9,130 NZD
$5,137 USD
A
Retailer 2
-
$9,409 NZD
$5,294 USD
View
B+
Retailer 3
-
$9,958 NZD
$5,603 USD
View
Final sale: no returns
B+
Retailer 4
-
$10,051 NZD
$5,655 USD
View
B+
Retailer 5
-
$10,166 NZD
£4,504 GBP
View
B+
Retailer 6
-
$10,524 NZD
£4,662 GBP
View
Retailer 7
-
$10,666 NZD
A$9,233 AUD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
$10,790 NZD
$6,071 USD
View
B+
Retailer 9
-
$10,790 NZD
$6,071 USD
View
B+
Retailer 10
-
$10,790 NZD
$6,071 USD
View
B+
Retailer 11
-
$11,060 NZD
$6,223 USD
View
B
Retailer 12
-
$12,450 NZD
$7,005 USD
View
B+
Retailer 13
-
$13,256 NZD
ZAR 120,497 ZAR
View
B
Retailer 14
-
$15,895 NZD
£7,042 GBP
View
Most Expensive
B
NZ Jewellers
d014b7a4-0330-4af6-b1a2-45134150dba9 · Nov 3
$18,045 NZD
$10,153 USD
View
14 more retailers have this diamond
Prices start from $9,130 NZDSave up to $8,915 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
$9,130 NZD