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Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 7556341509

Certificate GIA 7556341509

Diamond specifications and retailer prices

From HK$16,467 HKD
As of November 4, 2026
Save HK$27,631 HKD (63%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: HK$44,098 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7556341509. Listed at 27 retailers as of November 4, 2026, with prices from HK$16,467 to HK$44,098, a HK$27,631 spread on the same certified stone. NZ Jewellers lists it at HK$44,098. 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
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7556341509
Dimensions6.49 × 6.42 × 3.83 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Needle, Natural
Top View
6.49 mm6.42 mm1.00 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556341509
Side View
Table 64.0%Crown 31.5°Girdle: THN-THKPavilion 41.2°Culet: NoneDepth 59.3%

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 4
Current: HK$44,098 HKD|Low: HK$16,365 HKD|High: HK$44,098 HKD|Avg: HK$23,378 HKD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
November 6, 2026
Retailer 3HK$16,467 HKD
Retailer 23HK$16,530 HKD
Retailer 11HK$18,632 HKD
Retailer 17HK$18,664 HKD
Retailer 24HK$18,844 HKD
Retailer 15HK$18,891 HKD
Retailer 12HK$19,472 HKD
Retailer 20HK$20,170 HKD
Retailer 4HK$20,790 HKD
Retailer 8HK$20,955 HKD
Retailer 6HK$21,096 HKD
Retailer 9HK$21,096 HKD
Retailer 10HK$21,151 HKD
Retailer 7HK$21,904 HKD
Retailer 13HK$22,194 HKD
Retailer 5HK$22,202 HKD
Retailer 2HK$22,932 HKD
Retailer 19HK$24,148 HKD
Retailer 14HK$24,344 HKD
Retailer 21HK$24,705 HKD
Retailer 25HK$25,685 HKD
Retailer 22HK$25,748 HKD
Retailer 16HK$31,028 HKD
Retailer 18HK$31,891 HKD
Retailer 26HK$36,849 HKD
NZ JewellersHK$44,098 HKD

20 data points across 26 retailers

27 retailersHK$16,467 HKD to HK$44,098 HKD

A
Cheapest Retailer
-
HK$16,467 HKD
A
Retailer 2
-
HK$16,530 HKD
View
A
Retailer 3
-
HK$18,632 HKD
View
A
Retailer 4
-
HK$18,664 HKD
View
A
Retailer 5
-
HK$18,844 HKD
View
A
Retailer 6
-
HK$18,891 HKD
View
A
Retailer 7
-
HK$19,472 HKD
View
Final sale: no returns
A
Retailer 8
-
HK$20,170 HKD
View
B+
Retailer 9
-
HK$20,790 HKD
View
A
Retailer 10
-
HK$20,955 HKD
View
Retailer 11
-
HK$21,096 HKD
View
Price last confirmed 8 days ago
A
Retailer 12
-
HK$21,096 HKD
View
A
Retailer 13
-
HK$21,151 HKD
View
B+
Retailer 14
-
HK$21,904 HKD
View
A
Retailer 15
-
HK$22,194 HKD
View
B+
Retailer 16
-
HK$22,202 HKD
View
B+
Retailer 17
-
HK$22,932 HKD
View
B+
Retailer 18
-
HK$24,148 HKD
View
B+
Retailer 19
-
HK$24,344 HKD
View
B+
Retailer 20
-
HK$24,705 HKD
View
Retailer 21
-
HK$24,799 HKD
View
Price last confirmed 30 days ago
B+
Retailer 22
-
HK$25,685 HKD
View
B+
Retailer 23
-
HK$25,748 HKD
View
B
Retailer 24
-
HK$31,028 HKD
View
B
Retailer 25
-
HK$31,891 HKD
View
B
Retailer 26
-
HK$36,849 HKD
View
Most Expensive
B
NZ Jewellers
5902ba5c-c8b1-40b6-acc0-31f7ddff97ce · Nov 5
HK$44,098 HKD
$5,621 USD
View
26 more retailers have this diamond
Prices start from HK$16,467 HKDSave up to HK$27,631 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
1.00ct Round
HK$16,467 HKD