Round|Natural|GIA

1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5443367010

Certificate GIA 5443367010

Diamond specifications and retailer prices

From HK$40,373 HKD
As of November 1, 2026
Save HK$50,563 HKD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$90,936 HKD at NZ Jewellers · As of October 27, 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 5443367010. Listed at 19 retailers as of October 27, 2026, with prices from HK$40,373 to HK$90,936, a HK$50,563 spread on the same certified stone. NZ Jewellers lists it at HK$90,936. 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
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5443367010
Dimensions7.36 × 7.40 × 4.50 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.36 mm7.40 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5443367010
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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$56,313 HKD|Low: HK$40,373 HKD|High: HK$81,072 HKD|Avg: HK$57,269 HKD|+9.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4HK$40,373 HKD
Retailer 3HK$46,002 HKD
Retailer 9HK$49,793 HKD
Retailer 10HK$50,184 HKD
Retailer 11HK$53,320 HKD
Retailer 2HK$55,205 HKD
Retailer 5HK$56,087 HKD
Retailer 1HK$56,313 HKD
Retailer 6HK$60,437 HKD
Retailer 7HK$66,208 HKD
Retailer 8HK$80,215 HKD

41 data points across 11 retailers

19 retailersHK$40,373 HKD to HK$90,936 HKD

A
Cheapest Retailer
-
HK$40,373 HKD
Retailer 2
-
HK$46,002 HKD
$5,863 USD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$47,422 HKD
$6,044 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
HK$47,524 HKD
$6,057 USD
View
B+
Retailer 5
-
HK$49,793 HKD
SGD 8,576 SGD
View
Retailer 6
-
HK$50,192 HKD
$6,397 USD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$50,372 HKD
$6,420 USD
View
Price last confirmed 5 days ago
Retailer 8
-
HK$53,320 HKD
A$10,455 AUD
View
Price last confirmed 29 days ago
Retailer 9
-
HK$54,373 HKD
$6,930 USD
View
Price last confirmed 7 days ago
Retailer 10
-
HK$55,205 HKD
$7,036 USD
View
Price last confirmed 8 days ago
Retailer 11
-
HK$55,628 HKD
$7,090 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
HK$55,638 HKD
$7,091 USD
View
B+
Retailer 13
-
HK$56,087 HKD
€6,808 EUR
View
B
Retailer 14
-
HK$56,313 HKD
£5,651 GBP
View
B+
Retailer 15
-
HK$60,437 HKD
£6,065 GBP
View
B+
Retailer 16
-
HK$62,737 HKD
$7,996 USD
View
B+
Retailer 17
-
HK$66,208 HKD
ZAR 136,322 ZAR
View
Retailer 18
-
HK$80,215 HKD
£8,050 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
52f86b50-f4b6-4949-93c9-690b18e8f1aa · Oct 27
HK$90,936 HKD
$11,590 USD
View
18 more retailers have this diamond
Prices start from HK$40,373 HKDSave up to HK$50,563 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$40,373 HKD