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Heart|Natural|GIA

1.53ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6531604900

Certificate GIA 6531604900

Diamond specifications and retailer prices

From $7,320 NZD
As of November 6, 2026
Save $8,987 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,307 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 6531604900. Listed at 19 retailers as of November 5, 2026, with prices from $7,320 to $16,307, a $8,987 spread on the same certified stone. NZ Jewellers lists it at $16,307. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531604900
Dimensions7.01 × 7.80 × 4.66 mm
L/W Ratio1.11
Top View
7.01 mm7.80 mm1.53 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531604900
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.7%

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: $16,307 NZD|Low: $7,320 NZD|High: $16,307 NZD|Avg: $10,304 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
Retailer 16
Retailer 17
November 6, 2026
Retailer 2$7,320 NZD
Retailer 9$7,762 NZD
Retailer 6$8,504 NZD
Retailer 17$8,863 NZD
Retailer 4$9,137 NZD
Retailer 10$9,137 NZD
Retailer 11$9,364 NZD
Retailer 14$9,739 NZD
Retailer 5$9,750 NZD
Retailer 16$9,750 NZD
Retailer 7$10,012 NZD
Retailer 8$10,026 NZD
Retailer 15$10,206 NZD
Retailer 3$11,249 NZD
Retailer 12$11,895 NZD
Retailer 13$15,486 NZD
NZ Jewellers$16,307 NZD

28 data points across 17 retailers

19 retailers$7,320 NZD to $16,307 NZD

A
Cheapest Retailer
-
$7,320 NZD
A
Retailer 2
-
$7,762 NZD
View
Final sale: no returns
A
Retailer 3
-
$8,018 NZD
View
B+
Retailer 4
-
$8,504 NZD
View
B+
Retailer 5
-
$8,863 NZD
View
B+
Retailer 6
-
$9,137 NZD
View
B+
Retailer 7
-
$9,137 NZD
View
B+
Retailer 8
-
$9,364 NZD
View
B+
Retailer 9
-
$9,739 NZD
View
B+
Retailer 10
-
$9,750 NZD
View
B+
Retailer 11
-
$9,750 NZD
View
Retailer 12
-
$9,750 NZD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$10,012 NZD
View
B+
Retailer 14
-
$10,026 NZD
View
B+
Retailer 15
-
$10,206 NZD
View
B+
Retailer 16
-
$11,249 NZD
View
B+
Retailer 17
-
$11,895 NZD
View
B
Retailer 18
-
$15,486 NZD
View
Most Expensive
B
NZ Jewellers
9c649c18-a3d4-4981-b2a8-6edf7e1e03cf · Nov 5
$16,307 NZD
$9,040 USD
View
18 more retailers have this diamond
Prices start from $7,320 NZDSave up to $8,987 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
$7,320 NZD