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Heart|Natural|GIA

1.51ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 5232690820

Certificate GIA 5232690820

Diamond specifications and retailer prices

From HK$36,704 HKD
$4,678 USD
As of November 2, 2026
Save HK$31,486 HKD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$68,190 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232690820. Listed at 9 retailers as of October 30, 2026, with prices from HK$36,704 to HK$68,190, a HK$31,486 spread on the same certified stone. NZ Jewellers lists it at HK$68,190. 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle42.59°
OriginNatural
Grading LabGIA
CertificateGIA 5232690820
Dimensions6.89 × 7.98 × 4.86 mm
L/W Ratio1.16
Top View
6.89 mm7.98 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5232690820
Side View
Table 63.0%Crown 37.1°Girdle: Slightly Thick to Very ThickPavilion 42.59°Culet: NoneDepth 60.9%

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$68,190 HKD|Low: HK$36,704 HKD|High: HK$69,226 HKD|Avg: HK$46,129 HKD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10HK$36,704 HKD
Retailer 2HK$38,144 HKD
Retailer 8HK$38,289 HKD
Retailer 3HK$39,940 HKD
Retailer 6HK$40,768 HKD
Retailer 9HK$40,768 HKD
Retailer 11HK$41,726 HKD
Retailer 7HK$41,741 HKD
Retailer 12HK$44,692 HKD
Retailer 4HK$47,564 HKD
Retailer 5HK$64,939 HKD
NZ JewellersHK$68,190 HKD

35 data points across 12 retailers

9 retailersHK$36,704 HKD to HK$68,190 HKD

A
Cheapest Retailer
-
HK$36,704 HKD
$4,678 USD
A
Retailer 2
-
HK$38,144 HKD
£3,828 GBP
View
A
Retailer 3
-
HK$38,289 HKD
$4,880 USD
View
A
Retailer 4
-
HK$40,768 HKD
$5,196 USD
View
B+
Retailer 5
-
HK$40,768 HKD
$5,196 USD
View
Retailer 6
-
HK$41,726 HKD
A$8,182 AUD
View
Price last confirmed 24 days ago
B+
Retailer 7
-
HK$41,741 HKD
$5,320 USD
View
B
Retailer 8
-
HK$64,939 HKD
£6,517 GBP
View
Most Expensive
B
NZ Jewellers
92849da8-4f48-4f96-9700-94ee609a272c · Oct 30
HK$68,190 HKD
$8,691 USD
View
8 more retailers have this diamond
Prices start from HK$36,704 HKDSave up to HK$31,486 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
1.51ct Heart
HK$36,704 HKD