CaratHunter
Plans
Heart|Natural|GIA

1.51ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1555675433

Certificate GIA 1555675433

Diamond specifications and retailer prices

From HK$25,208 HKD
As of November 1, 2026
Save HK$33,583 HKD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$58,791 HKD at NZ Jewellers · As of November 3, 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 1555675433. Listed at 20 retailers as of November 1, 2026, with prices from HK$25,208 to HK$58,791, a HK$33,583 spread on the same certified stone. NZ Jewellers lists it at HK$58,791. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1555675433
Dimensions7.11 × 7.65 × 4.81 mm
L/W Ratio1.08
Top View
7.11 mm7.65 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555675433
Side View
Table 54.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.9%

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 1
Current: HK$58,791 HKD|Low: HK$25,007 HKD|High: HK$61,035 HKD|Avg: HK$36,350 HKD|-3.7%
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
Retailer 18
Retailer 19
November 3, 2026
Retailer 16HK$25,208 HKD
Retailer 5HK$28,811 HKD
Retailer 9HK$29,690 HKD
Retailer 6HK$30,200 HKD
Retailer 10HK$31,149 HKD
Retailer 12HK$31,571 HKD
Retailer 8HK$31,794 HKD
Retailer 4HK$32,012 HKD
Retailer 3HK$33,746 HKD
Retailer 17HK$33,746 HKD
Retailer 19HK$33,746 HKD
Retailer 2HK$34,522 HKD
Retailer 7HK$35,692 HKD
Retailer 11HK$37,369 HKD
Retailer 13HK$38,177 HKD
Retailer 18HK$38,940 HKD
Retailer 15HK$41,479 HKD
Retailer 14HK$53,749 HKD
NZ JewellersHK$58,791 HKD

28 data points across 19 retailers

20 retailersHK$25,208 HKD to HK$58,791 HKD

A
Cheapest Retailer
-
HK$25,208 HKD
A
Retailer 2
-
HK$28,811 HKD
$3,672 USD
View
A
Retailer 3
-
HK$29,690 HKD
$3,784 USD
View
A
Retailer 4
-
HK$30,200 HKD
$3,849 USD
View
A
Retailer 5
-
HK$31,149 HKD
$3,970 USD
View
Final sale: no returns
A
Retailer 6
-
HK$31,571 HKD
£3,168 GBP
View
Retailer 7
-
HK$31,794 HKD
SGD 5,476 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$32,012 HKD
$4,080 USD
View
A
Retailer 9
-
HK$33,746 HKD
$4,301 USD
View
A
Retailer 10
-
HK$33,746 HKD
$4,301 USD
View
A
Retailer 11
-
HK$33,746 HKD
$4,301 USD
View
Retailer 12
-
HK$33,746 HKD
$4,301 USD
View
Price last confirmed 18 days ago
A
Retailer 13
-
HK$34,522 HKD
£3,464 GBP
View
A
Retailer 14
-
HK$35,692 HKD
$4,549 USD
View
Retailer 15
-
HK$37,369 HKD
A$7,327 AUD
View
Price last confirmed 24 days ago
A
Retailer 16
-
HK$38,177 HKD
€4,634 EUR
View
A
Retailer 17
-
HK$38,940 HKD
$4,963 USD
View
B+
Retailer 18
-
HK$41,479 HKD
ZAR 85,406 ZAR
View
B+
Retailer 19
-
HK$53,749 HKD
£5,394 GBP
View
Most Expensive
B+
NZ Jewellers
75921cc3-57e0-4f48-9a25-f38bd2c9e6a6 · Nov 3
HK$58,791 HKD
$7,493 USD
View
19 more retailers have this diamond
Prices start from HK$25,208 HKDSave up to HK$33,583 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$25,208 HKD