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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 $5,127 CAD
As of November 2, 2026
Save $4,033 CAD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,160 CAD 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 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 November 2, 2026, with prices from $5,127 to $9,160, a $4,033 spread on the same certified stone. NZ Jewellers lists it at $9,160. 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
Color
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: $9,160 CAD|Low: $4,892 CAD|High: $9,345 CAD|Avg: $6,452 CAD|-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$4,892 CAD
Retailer 3$5,127 CAD
Retailer 4$5,258 CAD
Retailer 2$5,460 CAD
Retailer 6$5,463 CAD
Retailer 8$6,051 CAD
Retailer 9$6,407 CAD
Retailer 5$8,791 CAD
NZ Jewellers$9,160 CAD

29 data points across 9 retailers

6 retailers$5,127 CAD to $9,160 CAD

A
Cheapest Retailer
-
$5,127 CAD
A
Retailer 2
-
$5,258 CAD
View
A
Retailer 3
-
$5,460 CAD
View
A
Retailer 4
-
$5,463 CAD
View
B+
Retailer 5
-
$8,791 CAD
View
Most Expensive
B
NZ Jewellers
0c94e780-c29f-4b52-9932-ef9750c9ded8 · Nov 3
$9,160 CAD
$6,512 USD
View
5 more retailers have this diamond
Prices start from $5,127 CADSave up to $4,033 CAD

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
$5,127 CAD