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Heart|Natural|GIA

1.53ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2537555541

Certificate GIA 2537555541

Diamond specifications and retailer prices

From $7,703 NZD
As of November 6, 2026
Save $7,522 NZD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,225 NZD at NZ Jewellers · As of November 5, 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 H 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 2537555541. Listed at 15 retailers as of November 5, 2026, with prices from $7,703 to $15,225, a $7,522 spread on the same certified stone. NZ Jewellers lists it at $15,225. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.58°
Pavilion angle39.08°
OriginNatural
Grading LabGIA
CertificateGIA 2537555541
Dimensions7.09 × 8.12 × 4.49 mm
L/W Ratio1.15
Top View
7.09 mm8.12 mm1.53 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537555541
Side View
Table 55.0%Crown 35.58°Girdle: STK-VTKPavilion 39.08°Culet: NoneDepth 55.3%

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: $8,531 NZD|Low: $7,703 NZD|High: $14,673 NZD|Avg: $9,448 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$7,703 NZD
Retailer 6$7,941 NZD
Retailer 7$8,401 NZD
Retailer 1$8,531 NZD
Retailer 10$8,560 NZD
Retailer 3$8,964 NZD
Retailer 2$9,102 NZD
Retailer 8$9,176 NZD
Retailer 4$11,107 NZD
Retailer 5$14,460 NZD

41 data points across 10 retailers

15 retailers$7,703 NZD to $15,225 NZD

A
Cheapest Retailer
-
$7,703 NZD
A
Retailer 2
-
$7,941 NZD
View
B+
Retailer 3
-
$8,401 NZD
View
Final sale: no returns
A
Retailer 4
-
$8,531 NZD
View
B+
Retailer 5
-
$8,560 NZD
View
B+
Retailer 6
-
$8,964 NZD
View
Retailer 7
-
$9,102 NZD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$9,102 NZD
View
B+
Retailer 9
-
$9,102 NZD
View
Retailer 10
-
$9,176 NZD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$9,559 NZD
View
B+
Retailer 12
-
$10,504 NZD
View
B+
Retailer 13
-
$11,107 NZD
View
B
Retailer 14
-
$14,460 NZD
View
Most Expensive
B
NZ Jewellers
54f1792d-dd47-4831-9e9d-15aaa947d6c0 · Nov 5
$15,225 NZD
$8,440 USD
View
14 more retailers have this diamond
Prices start from $7,703 NZDSave up to $7,522 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
$7,703 NZD