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Heart|Natural|GIA

1.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5232493398

Certificate GIA 5232493398

Diamond specifications and retailer prices

From HK$59,572 HKD
As of November 5, 2026
Save HK$68,460 HKD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$128,032 HKD at NZ Jewellers · As of November 5, 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 G 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 5232493398. Listed at 17 retailers as of November 5, 2026, with prices from HK$59,572 to HK$128,032, a HK$68,460 spread on the same certified stone. NZ Jewellers lists it at HK$128,032. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5232493398
Dimensions7.25 × 8.28 × 4.51 mm
L/W Ratio1.14
Top View
7.25 mm8.28 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232493398
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$128,032 HKD|Low: HK$59,940 HKD|High: HK$128,032 HKD|Avg: HK$80,933 HKD
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
November 6, 2026
Retailer 10HK$59,940 HKD
Retailer 3HK$64,016 HKD
Retailer 12HK$64,549 HKD
Retailer 2HK$65,967 HKD
Retailer 13HK$69,353 HKD
Retailer 11HK$70,419 HKD
Retailer 9HK$70,725 HKD
Retailer 7HK$70,787 HKD
Retailer 4HK$80,020 HKD
Retailer 5HK$84,276 HKD
Retailer 6HK$93,390 HKD
Retailer 8HK$106,401 HKD
NZ JewellersHK$128,032 HKD

45 data points across 13 retailers

17 retailersHK$59,572 HKD to HK$128,032 HKD

B+
Cheapest Retailer
-
HK$59,572 HKD
B+
Retailer 2
-
HK$59,940 HKD
View
B
Retailer 3
-
HK$62,911 HKD
View
B
Retailer 4
-
HK$63,679 HKD
View
Retailer 5
-
HK$64,016 HKD
View
Price last confirmed 9 days ago
Retailer 6
-
HK$64,549 HKD
View
Price last confirmed 8 days ago
B
Retailer 7
-
HK$65,967 HKD
View
B
Retailer 8
-
HK$69,353 HKD
View
B
Retailer 9
-
HK$70,419 HKD
View
Retailer 10
-
HK$70,725 HKD
View
Price last confirmed 15 days ago
B
Retailer 11
-
HK$70,787 HKD
View
B
Retailer 12
-
HK$73,585 HKD
View
B
Retailer 13
-
HK$80,020 HKD
View
Retailer 14
-
HK$84,276 HKD
View
Price last confirmed 15 days ago
B
Retailer 15
-
HK$93,390 HKD
View
B
Retailer 16
-
HK$106,401 HKD
View
Most Expensive
B
NZ Jewellers
63285d76-08ad-4533-9be1-d0263cd1875d · Nov 5
HK$128,032 HKD
$16,336 USD
View
16 more retailers have this diamond
Prices start from HK$59,572 HKDSave up to HK$68,460 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.

B+
1.51ct Heart
HK$59,572 HKD