Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2547648823

Certificate GIA 2547648823

Diamond specifications and retailer prices

From HK$20,178 HKD
As of November 4, 2026
Save HK$24,116 HKD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$48,138 HKD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547648823. Listed at 17 retailers as of November 4, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2547648823
Dimensions6.44 × 6.46 × 4.03 mm
L/W Ratio1.00
Star length50%
Top View
6.44 mm6.46 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547648823
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.5%

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$28,109 HKD|Low: HK$20,178 HKD|High: HK$46,765 HKD|Avg: HK$29,442 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4HK$20,178 HKD
Retailer 8HK$20,272 HKD
Retailer 3HK$23,575 HKD
Retailer 2HK$24,508 HKD
Retailer 6HK$25,395 HKD
Retailer 12HK$25,654 HKD
Retailer 5HK$27,309 HKD
Retailer 11HK$27,686 HKD
Retailer 1HK$28,109 HKD
Retailer 10HK$29,608 HKD
Retailer 7HK$32,409 HKD
Retailer 9HK$44,294 HKD

30 data points across 12 retailers

17 retailersHK$20,178 HKD to HK$44,294 HKD

A
Cheapest Retailer
-
HK$20,178 HKD
A
Retailer 2
-
HK$20,272 HKD
View
A
Retailer 3
-
HK$23,575 HKD
View
A
Retailer 4
-
HK$24,508 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$25,395 HKD
View
B+
Retailer 6
-
HK$25,654 HKD
View
B+
Retailer 7
-
HK$27,309 HKD
View
Retailer 8
-
HK$27,631 HKD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
HK$27,686 HKD
View
B+
Retailer 10
-
HK$28,109 HKD
View
Retailer 11
-
HK$28,690 HKD
View
Price last confirmed 22 days ago
Retailer 12
-
HK$29,514 HKD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
HK$29,608 HKD
View
Retailer 14
-
HK$31,883 HKD
View
Price last confirmed 19 days ago
B+
Retailer 15
-
HK$32,409 HKD
View
B
Retailer 16
-
HK$44,294 HKD
View
Most Expensive
NZ Jewellers
36454d45-126b-4b14-b04c-79625ceba885 · Oct 20
HK$48,138 HKD
$6,136 USD
View
Price last confirmed 16 days ago
16 more retailers have this diamond
Prices start from HK$20,178 HKDSave up to HK$24,116 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
1.03ct Round
HK$20,178 HKD