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Heart|Natural|GIA

1.51ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 7558902646

Certificate GIA 7558902646

Diamond specifications and retailer prices

From HK$32,012 HKD
$4,080 USD
As of November 1, 2026
Save HK$42,079 HKD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$74,091 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 H 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 7558902646. Listed at 17 retailers as of October 30, 2026, with prices from HK$32,012 to HK$74,091, a HK$42,079 spread on the same certified stone. NZ Jewellers lists it at HK$74,091. 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

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

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558902646
Dimensions8.10 × 6.90 × 4.73 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
8.10 mm6.90 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558902646
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.4%

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$74,091 HKD|Low: HK$32,012 HKD|High: HK$74,091 HKD|Avg: HK$45,945 HKD|+1.0%
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 2, 2026
Retailer 7HK$32,012 HKD
Retailer 8HK$33,636 HKD
Retailer 9HK$39,544 HKD
Retailer 15HK$40,133 HKD
Retailer 16HK$40,133 HKD
Retailer 17HK$40,133 HKD
Retailer 11HK$40,156 HKD
Retailer 2HK$41,738 HKD
Retailer 18HK$42,173 HKD
Retailer 4HK$44,958 HKD
Retailer 5HK$44,958 HKD
Retailer 10HK$45,458 HKD
Retailer 14HK$46,308 HKD
Retailer 6HK$46,449 HKD
Retailer 19HK$48,873 HKD
Retailer 12HK$50,114 HKD
Retailer 13HK$54,451 HKD
Retailer 3HK$70,928 HKD
NZ JewellersHK$74,091 HKD

29 data points across 19 retailers

17 retailersHK$32,012 HKD to HK$74,091 HKD

A
Cheapest Retailer
-
HK$32,012 HKD
$4,080 USD
A
Retailer 2
-
HK$33,636 HKD
$4,287 USD
View
B+
Retailer 3
-
HK$39,544 HKD
$5,040 USD
View
B+
Retailer 4
-
HK$40,133 HKD
$5,115 USD
View
B+
Retailer 5
-
HK$40,133 HKD
$5,115 USD
View
B+
Retailer 6
-
HK$41,738 HKD
£4,189 GBP
View
B+
Retailer 7
-
HK$42,173 HKD
$5,375 USD
View
B+
Retailer 8
-
HK$43,985 HKD
$5,606 USD
View
B+
Retailer 9
-
HK$44,958 HKD
$5,730 USD
View
B+
Retailer 10
-
HK$44,958 HKD
$5,730 USD
View
B+
Retailer 11
-
HK$45,458 HKD
$5,794 USD
View
B
Retailer 12
-
HK$46,308 HKD
$5,902 USD
View
B
Retailer 13
-
HK$46,449 HKD
$5,920 USD
View
B+
Retailer 14
-
HK$50,114 HKD
€6,083 EUR
View
B
Retailer 15
-
HK$54,451 HKD
ZAR 112,114 ZAR
View
B
Retailer 16
-
HK$70,928 HKD
£7,118 GBP
View
Most Expensive
B
NZ Jewellers
e47d9d5f-ffb1-457d-896a-4ff81f37f967 · Oct 30
HK$74,091 HKD
$9,443 USD
View
16 more retailers have this diamond
Prices start from HK$32,012 HKDSave up to HK$42,079 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$32,012 HKD