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Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 7558360360

Certificate GIA 7558360360

Diamond specifications and retailer prices

From HK$23,483 HKD
$2,993 USD
As of November 2, 2026
Save HK$42,942 HKD (65%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$66,425 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 G 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 7558360360. Listed at 16 retailers as of October 30, 2026, with prices from HK$23,483 to HK$66,425, a HK$42,942 spread on the same certified stone. NZ Jewellers lists it at HK$66,425. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.8°
Pavilion angle38.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558360360
Dimensions6.86 × 7.72 × 4.60 mm
L/W Ratio1.13
Culet sizeNone
Top View
6.86 mm7.72 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558360360
Side View
Table 57.0%Crown 40.8°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 59.6%

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$66,425 HKD|Low: HK$19,387 HKD|High: HK$66,425 HKD|Avg: HK$28,250 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 3HK$19,404 HKD
Retailer 7HK$20,978 HKD
Retailer 5HK$22,204 HKD
Retailer 10HK$22,841 HKD
Retailer 12HK$23,483 HKD
Retailer 6HK$24,370 HKD
Retailer 9HK$24,794 HKD
Retailer 4HK$26,300 HKD
Retailer 11HK$29,605 HKD
Retailer 18HK$33,252 HKD
Retailer 20HK$34,350 HKD
Retailer 19HK$35,198 HKD
Retailer 8HK$35,819 HKD
Retailer 14HK$36,937 HKD
Retailer 2HK$38,124 HKD
Retailer 15HK$38,124 HKD
Retailer 17HK$39,313 HKD
Retailer 13HK$43,993 HKD
Retailer 16HK$60,724 HKD
NZ JewellersHK$66,425 HKD

20 data points across 20 retailers

16 retailersHK$23,483 HKD to HK$66,425 HKD

Retailer 1
-
HK$22,841 HKD
SGD 3,934 SGD
Price last confirmed 28 days ago
A
Retailer 2
-
HK$23,483 HKD
$2,993 USD
View
Retailer 3
-
HK$24,370 HKD
$3,106 USD
View
Price last confirmed 28 days ago
Retailer 4
-
HK$24,794 HKD
$3,160 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
HK$33,252 HKD
$4,238 USD
View
A
Retailer 6
-
HK$34,350 HKD
$4,378 USD
View
Retailer 7
-
HK$34,350 HKD
$4,378 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
HK$35,198 HKD
$4,486 USD
View
Final sale: no returns
Retailer 9
-
HK$35,819 HKD
$4,565 USD
View
Price last confirmed 31 days ago
A
Retailer 10
-
HK$36,937 HKD
£3,707 GBP
View
B+
Retailer 11
-
HK$38,124 HKD
$4,859 USD
View
B+
Retailer 12
-
HK$38,124 HKD
$4,859 USD
View
B+
Retailer 13
-
HK$39,313 HKD
$5,010 USD
View
B+
Retailer 14
-
HK$43,993 HKD
$5,607 USD
View
B
Retailer 15
-
HK$60,724 HKD
£6,094 GBP
View
Most Expensive
B
NZ Jewellers
9690bdb0-31b5-4985-9fa7-538e91b7622a · Oct 30
HK$66,425 HKD
$8,466 USD
View
15 more retailers have this diamond
Prices start from HK$23,483 HKDSave up to HK$42,942 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$23,483 HKD