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Round|Natural|GIA

1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6552766733

Certificate GIA 6552766733

Diamond specifications and retailer prices

From HK$29,023 HKD
As of November 1, 2026
Save HK$39,886 HKD (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$68,909 HKD at NZ Jewellers · As of October 30, 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 6552766733. Listed at 8 retailers as of October 30, 2026, with prices from HK$29,023 to HK$68,909, a HK$39,886 spread on the same certified stone. NZ Jewellers lists it at HK$68,909. 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
FluorescenceMedium
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552766733
Dimensions7.25 × 7.31 × 4.55 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
7.25 mm7.31 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552766733
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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$68,909 HKD|Low: HK$28,722 HKD|High: HK$71,867 HKD|Avg: HK$46,984 HKD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5HK$29,023 HKD
Retailer 6HK$36,925 HKD
Retailer 2HK$38,985 HKD
Retailer 7HK$39,550 HKD
Retailer 8HK$41,603 HKD
Retailer 4HK$45,251 HKD
Retailer 3HK$62,993 HKD
NZ JewellersHK$68,909 HKD

37 data points across 8 retailers

8 retailersHK$29,023 HKD to HK$68,909 HKD

A
Cheapest Retailer
-
HK$29,023 HKD
Retailer 2
-
HK$36,925 HKD
SGD 6,360 SGD
View
Price last confirmed 7 days ago
A
Retailer 3
-
HK$38,985 HKD
$4,969 USD
View
A
Retailer 4
-
HK$39,550 HKD
$5,041 USD
View
B+
Retailer 5
-
HK$41,603 HKD
A$8,158 AUD
View
B+
Retailer 6
-
HK$45,251 HKD
€5,493 EUR
View
B+
Retailer 7
-
HK$62,993 HKD
£6,322 GBP
View
Most Expensive
B
NZ Jewellers
c03762c3-f48b-41c4-9653-c5276a21c282 · Oct 30
HK$68,909 HKD
$8,783 USD
View
7 more retailers have this diamond
Prices start from HK$29,023 HKDSave up to HK$39,886 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 Round
HK$29,023 HKD