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Round|Natural|GIA

1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1533428742

Certificate GIA 1533428742

Diamond specifications and retailer prices

From HK$51,476 HKD
As of November 7, 2026
Save HK$53,357 HKD (51%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$104,833 HKD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round 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 and certified by GIA 1533428742. Listed at 23 retailers as of November 7, 2026, with prices from HK$51,476 to HK$104,833, a HK$53,357 spread on the same certified stone. NZ Jewellers lists it at HK$104,833. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1533428742
Dimensions7.34 × 7.27 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
7.34 mm7.27 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1533428742
Side View
Table 57.0%Crown 36°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.9%

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 7
Current: HK$104,833 HKD|Low: HK$43,678 HKD|High: HK$104,833 HKD|Avg: HK$63,132 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
November 7, 2026
Retailer 9HK$51,476 HKD
Retailer 19HK$52,417 HKD
Retailer 7HK$52,605 HKD
Retailer 11HK$52,605 HKD
Retailer 3HK$54,274 HKD
Retailer 17HK$54,274 HKD
Retailer 2HK$55,465 HKD
Retailer 6HK$58,451 HKD
Retailer 16HK$58,702 HKD
Retailer 4HK$60,544 HKD
Retailer 13HK$61,524 HKD
Retailer 10HK$63,326 HKD
Retailer 18HK$63,326 HKD
Retailer 8HK$63,836 HKD
Retailer 15HK$64,996 HKD
Retailer 5HK$65,442 HKD
Retailer 12HK$78,178 HKD
Retailer 14HK$86,878 HKD
NZ JewellersHK$104,833 HKD

42 data points across 19 retailers

23 retailersHK$51,476 HKD to HK$104,833 HKD

Retailer 1
-
HK$42,996 HKD
Price last confirmed 59 days ago
B+
Retailer 2
-
HK$51,476 HKD
View
Retailer 3
-
HK$51,648 HKD
View
Price last confirmed 51 days ago
B+
Retailer 4
-
HK$52,417 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$52,605 HKD
View
B+
Retailer 6
-
HK$54,274 HKD
View
B+
Retailer 7
-
HK$54,274 HKD
View
B+
Retailer 8
-
HK$55,465 HKD
View
B
Retailer 9
-
HK$58,451 HKD
View
B+
Retailer 10
-
HK$58,702 HKD
View
Retailer 11
-
HK$59,596 HKD
View
Price last confirmed 46 days ago
B+
Retailer 12
-
HK$60,544 HKD
View
B+
Retailer 13
-
HK$61,524 HKD
View
Retailer 14
-
HK$62,825 HKD
View
Price last confirmed 48 days ago
B
Retailer 15
-
HK$63,326 HKD
View
B
Retailer 16
-
HK$63,326 HKD
View
B
Retailer 17
-
HK$63,836 HKD
View
B+
Retailer 18
-
HK$64,996 HKD
View
B
Retailer 19
-
HK$65,442 HKD
View
B
Retailer 20
-
HK$78,178 HKD
View
B
Retailer 21
-
HK$86,878 HKD
View
Retailer 22
-
HK$95,358 HKD
View
Price last confirmed 47 days ago
Most Expensive
B
NZ Jewellers
e2dd3cb1-c754-4aa5-a1eb-a753c9f95080 · Nov 7
HK$104,833 HKD
$13,376 USD
View
22 more retailers have this diamond
Prices start from HK$51,476 HKDSave up to HK$53,357 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 Round
HK$51,476 HKD