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Round|Natural|GIA

1.00ct M I1 Round Natural Diamond

VG • M/I1 • GIA 5423710399

Certificate GIA 5423710399

Diamond specifications and retailer prices

From HK$6,119 HKD
As of November 4, 2026
Save HK$13,980 HKD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$20,099 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by GIA 5423710399. Listed at 8 retailers as of November 4, 2026, with prices from HK$6,119 to HK$20,099, a HK$13,980 spread on the same certified stone. NZ Jewellers lists it at HK$20,099. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
M
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5423710399
Dimensions6.25 × 6.36 × 4.03 mm
L/W Ratio1.02
Star length45%
Lower girdle75%
Top View
6.25 mm6.36 mm1.00 ctM / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 5423710399
Side View
Table 57.0%Crown 36.5°Girdle: VTN-STKPavilion 41.2°Culet: NoneDepth 63.8%

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 4
Current: HK$20,099 HKD|Low: HK$6,119 HKD|High: HK$20,382 HKD|Avg: HK$9,977 HKD|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8HK$6,119 HKD
Retailer 7HK$7,916 HKD
Retailer 3HK$8,245 HKD
Retailer 5HK$8,245 HKD
Retailer 4HK$8,559 HKD
Retailer 9HK$8,904 HKD
Retailer 6HK$9,508 HKD
Retailer 10HK$9,987 HKD
Retailer 2HK$11,462 HKD
NZ JewellersHK$20,099 HKD

32 data points across 10 retailers

8 retailersHK$6,119 HKD to HK$20,099 HKD

B+
Cheapest Retailer
-
HK$6,119 HKD
B+
Retailer 2
-
HK$7,916 HKD
View
Retailer 3
-
HK$8,245 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$8,245 HKD
View
B+
Retailer 5
-
HK$8,559 HKD
View
B
Retailer 6
-
HK$9,508 HKD
View
B
Retailer 7
-
HK$11,462 HKD
View
Most Expensive
C
NZ Jewellers
f7134e0c-b4d0-4a44-b06b-a7852b37545f · Nov 5
HK$20,099 HKD
$2,562 USD
View
7 more retailers have this diamond
Prices start from HK$6,119 HKDSave up to HK$13,980 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+
1.00ct Round
HK$6,119 HKD