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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 HK$28,604 HKD
£2,871 GBP
As of November 2, 2026
Save HK$22,487 HKD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$51,091 HKD at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from HK$28,604 to HK$51,091, a HK$22,487 spread on the same certified stone. NZ Jewellers lists it at HK$51,091. 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
Colour
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: HK$51,091 HKD|Low: HK$27,287 HKD|High: HK$52,127 HKD|Avg: HK$35,987 HKD|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7HK$27,287 HKD
Retailer 2HK$28,604 HKD
Retailer 3HK$29,327 HKD
Retailer 5HK$30,473 HKD
Retailer 6HK$31,069 HKD
Retailer 8HK$33,758 HKD
Retailer 9HK$35,741 HKD
Retailer 4HK$49,043 HKD
NZ JewellersHK$51,091 HKD

30 data points across 9 retailers

6 retailersHK$28,604 HKD to HK$51,091 HKD

A
Cheapest Retailer
-
HK$28,604 HKD
£2,871 GBP
A
Retailer 2
-
HK$29,327 HKD
$3,738 USD
View
A
Retailer 3
-
HK$30,473 HKD
$3,884 USD
View
A
Retailer 4
-
HK$31,069 HKD
$3,960 USD
View
B+
Retailer 5
-
HK$49,043 HKD
£4,922 GBP
View
Most Expensive
B
NZ Jewellers
0c94e780-c29f-4b52-9932-ef9750c9ded8 · Oct 30
HK$51,091 HKD
$6,512 USD
View
5 more retailers have this diamond
Prices start from HK$28,604 HKDSave up to HK$22,487 HKD

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
HK$28,604 HKD