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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1569582831

Certificate GIA 1569582831

Diamond specifications and retailer prices

From HK$16,871 HKD
As of October 30, 2026
Save HK$29,960 HKD (64%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$46,831 HKD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569582831. Listed at 22 retailers as of October 30, 2026, with prices from HK$16,871 to HK$46,831, a HK$29,960 spread on the same certified stone. NZ Jewellers lists it at HK$46,831. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1569582831
Dimensions6.37 × 6.35 × 3.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.37 mm6.35 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569582831
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.3%

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: Oct 30
Current: HK$46,831 HKD|Low: HK$16,369 HKD|High: HK$47,153 HKD|Avg: HK$24,032 HKD|+2.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 20HK$16,871 HKD
Retailer 16HK$17,849 HKD
Retailer 22HK$18,171 HKD
Retailer 17HK$18,681 HKD
Retailer 7HK$18,736 HKD
Retailer 18HK$18,847 HKD
Retailer 8HK$19,771 HKD
Retailer 12HK$19,771 HKD
Retailer 4HK$19,829 HKD
Retailer 19HK$20,477 HKD
Retailer 11HK$20,681 HKD
Retailer 14HK$21,497 HKD
Retailer 15HK$22,596 HKD
Retailer 3HK$23,223 HKD
Retailer 21HK$23,223 HKD
Retailer 2HK$23,419 HKD
Retailer 6HK$23,804 HKD
Retailer 5HK$24,008 HKD
Retailer 13HK$26,296 HKD
Retailer 9HK$26,722 HKD
Retailer 10HK$38,431 HKD
NZ JewellersHK$46,831 HKD

9 data points across 22 retailers

22 retailersHK$16,871 HKD to HK$46,831 HKD

A
Cheapest Retailer
-
HK$16,871 HKD
A
Retailer 2
-
HK$17,849 HKD
$2,275 USD
View
A
Retailer 3
-
HK$18,171 HKD
$2,316 USD
View
A
Retailer 4
-
HK$18,681 HKD
$2,381 USD
View
A
Retailer 5
-
HK$18,736 HKD
$2,388 USD
View
Final sale: no returns
A
Retailer 6
-
HK$18,847 HKD
A$3,696 AUD
View
A
Retailer 7
-
HK$19,771 HKD
$2,520 USD
View
A
Retailer 8
-
HK$19,771 HKD
$2,520 USD
View
A
Retailer 9
-
HK$19,829 HKD
£1,990 GBP
View
A
Retailer 10
-
HK$20,477 HKD
$2,610 USD
View
A
Retailer 11
-
HK$20,681 HKD
$2,636 USD
View
A
Retailer 12
-
HK$21,497 HKD
$2,740 USD
View
Retailer 13
-
HK$22,596 HKD
SGD 3,892 SGD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
HK$23,223 HKD
$2,960 USD
View
B+
Retailer 15
-
HK$23,223 HKD
$2,960 USD
View
A
Retailer 16
-
HK$23,419 HKD
$2,985 USD
View
B+
Retailer 17
-
HK$23,804 HKD
£2,389 GBP
View
B+
Retailer 18
-
HK$24,008 HKD
$3,060 USD
View
B+
Retailer 19
-
HK$26,296 HKD
€3,192 EUR
View
B+
Retailer 20
-
HK$26,722 HKD
$3,406 USD
View
B
Retailer 21
-
HK$38,431 HKD
£3,857 GBP
View
Most Expensive
B
NZ Jewellers
bf112d20-98a6-4602-97c4-ce286e7d7779 · Oct 30
HK$46,831 HKD
$5,969 USD
View
21 more retailers have this diamond
Prices start from HK$16,871 HKDSave up to HK$29,960 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$16,871 HKD