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Round|Natural|GIA

1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7481667514

Certificate GIA 7481667514

Diamond specifications and retailer prices

From HK$53,157 HKD
$6,775 USD
As of November 1, 2026
Save HK$62,016 HKD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$115,173 HKD at NZ Jewellers · As of November 2, 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 7481667514. Listed at 19 retailers as of November 1, 2026, with prices from HK$53,157 to HK$115,173, a HK$62,016 spread on the same certified stone. NZ Jewellers lists it at HK$115,173. 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
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7481667514
Dimensions7.35 × 7.30 × 4.53 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Pinpoints are not shown.
Top View
7.35 mm7.30 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7481667514
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 1
Current: HK$71,081 HKD|Low: HK$53,157 HKD|High: HK$97,124 HKD|Avg: HK$69,805 HKD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8HK$53,157 HKD
Retailer 7HK$53,918 HKD
Retailer 9HK$57,512 HKD
Retailer 2HK$63,342 HKD
Retailer 3HK$63,741 HKD
Retailer 6HK$65,217 HKD
Retailer 1HK$71,081 HKD
Retailer 10HK$77,233 HKD
Retailer 4HK$84,597 HKD
Retailer 5HK$96,477 HKD

44 data points across 10 retailers

19 retailersHK$53,157 HKD to HK$115,173 HKD

B+
Cheapest Retailer
-
HK$53,157 HKD
$6,775 USD
B+
Retailer 2
-
HK$53,918 HKD
$6,872 USD
View
B+
Retailer 3
-
HK$57,512 HKD
$7,330 USD
View
B+
Retailer 4
-
HK$57,583 HKD
$7,339 USD
View
B+
Retailer 5
-
HK$62,384 HKD
$7,951 USD
View
B+
Retailer 6
-
HK$63,342 HKD
$8,073 USD
View
B+
Retailer 7
-
HK$63,741 HKD
£6,397 GBP
View
Retailer 8
-
HK$65,217 HKD
A$12,788 AUD
View
Price last confirmed 11 days ago
B
Retailer 9
-
HK$68,653 HKD
$8,750 USD
View
B
Retailer 10
-
HK$68,653 HKD
$8,750 USD
View
B
Retailer 11
-
HK$70,929 HKD
$9,040 USD
View
B
Retailer 12
-
HK$71,081 HKD
€8,628 EUR
View
B
Retailer 13
-
HK$71,980 HKD
$9,174 USD
View
Retailer 14
-
HK$75,840 HKD
$9,666 USD
View
Price last confirmed 10 days ago
Retailer 15
-
HK$77,233 HKD
£7,751 GBP
View
Price last confirmed 33 days ago
B
Retailer 16
-
HK$84,597 HKD
ZAR 174,184 ZAR
View
B
Retailer 17
-
HK$96,477 HKD
£9,682 GBP
View
B
Retailer 18
-
HK$108,821 HKD
£10,921 GBP
View
Most Expensive
B
NZ Jewellers
9149c5bf-0b50-4c78-bce4-33fd8893ebd1 · Nov 2
HK$115,173 HKD
$14,679 USD
View
18 more retailers have this diamond
Prices start from HK$53,157 HKDSave up to HK$62,016 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$53,157 HKD