Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 5222608091

Certificate GIA 5222608091

Diamond specifications and retailer prices

From HK$22,415 HKD
$2,857 USD
As of October 30, 2026
Save HK$11,884 HKD (35%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$52,370 HKD at NZ Jewellers · As of September 27, 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 5222608091. Listed at 21 retailers as of October 30, 2026, with a 53% 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5222608091
Dimensions6.39 × 6.35 × 3.94 mm
L/W Ratio1.01
Top View
6.39 mm6.35 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5222608091
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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: Oct 30
Current: HK$34,299 HKD|Low: HK$21,128 HKD|High: HK$50,876 HKD|Avg: HK$29,107 HKD|+16.0%
Retailer 1
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
October 30, 2026
Retailer 7HK$22,415 HKD
Retailer 10HK$22,471 HKD
Retailer 15HK$23,035 HKD
Retailer 5HK$24,173 HKD
Retailer 13HK$25,697 HKD
Retailer 14HK$26,877 HKD
Retailer 4HK$27,299 HKD
Retailer 9HK$28,009 HKD
Retailer 6HK$29,264 HKD
Retailer 11HK$29,264 HKD
Retailer 2HK$30,206 HKD
Retailer 8HK$32,351 HKD
Retailer 3HK$34,035 HKD
Retailer 1HK$34,299 HKD
Retailer 12HK$50,737 HKD

41 data points across 15 retailers

21 retailersHK$22,415 HKD to HK$34,299 HKD

A
Cheapest Retailer
-
HK$22,415 HKD
$2,857 USD
A
Retailer 2
-
HK$22,471 HKD
$2,864 USD
View
Retailer 3
-
HK$24,173 HKD
$3,081 USD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
HK$25,697 HKD
$3,275 USD
View
B+
Retailer 5
-
HK$26,351 HKD
CA$4,665 CAD
View
Retailer 6
-
HK$26,877 HKD
£2,697 GBP
View
Price last confirmed 23 days ago
Retailer 7
-
HK$27,230 HKD
$3,471 USD
View
Price last confirmed 96 days ago
Retailer 8
-
HK$27,232 HKD
$3,471 USD
View
Price last confirmed 23 days ago
Retailer 9
-
HK$27,299 HKD
$3,480 USD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
HK$28,009 HKD
$3,570 USD
View
Retailer 11
-
HK$28,009 HKD
$3,570 USD
View
Price last confirmed 9 days ago
Retailer 12
-
HK$28,276 HKD
$3,604 USD
View
Price last confirmed 31 days ago
B+
Retailer 13
-
HK$29,264 HKD
$3,730 USD
View
B+
Retailer 14
-
HK$29,264 HKD
$3,730 USD
View
B+
Retailer 15
-
HK$30,206 HKD
$3,850 USD
View
Retailer 16
-
HK$31,422 HKD
$4,005 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
HK$32,351 HKD
€3,927 EUR
View
Retailer 18
-
HK$34,035 HKD
$4,338 USD
View
Price last confirmed 23 days ago
B
Retailer 19
-
HK$34,299 HKD
£3,442 GBP
View
Retailer 20
-
HK$50,737 HKD
£5,092 GBP
View
Price last confirmed 23 days ago
Most Expensive
NZ Jewellers
b4858ad1-32b7-41dd-8542-82b81811309f · Sep 27
HK$52,370 HKD
$6,675 USD
View
Price last confirmed 34 days ago
20 more retailers have this diamond
Prices start from HK$22,415 HKDSave up to HK$11,884 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$22,415 HKD