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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 3545059321

Certificate GIA 3545059321

Diamond specifications and retailer prices

From HK$17,573 HKD
As of November 4, 2026
Save HK$20,994 HKD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$48,209 HKD at NZ Jewellers · As of October 17, 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 3545059321. Listed at 18 retailers as of November 2, 2026, with a 119% 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3545059321
Dimensions6.45 × 6.40 × 3.98 mm
L/W Ratio1.01
Top View
6.45 mm6.40 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3545059321
Side View
Table 56.0%Crown 32.5°Girdle: MED-STKPavilion 41.4°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: Nov 4
Current: HK$24,391 HKD|Low: HK$17,573 HKD|High: HK$40,199 HKD|Avg: HK$25,756 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10HK$17,573 HKD
Retailer 7HK$18,264 HKD
Retailer 5HK$20,225 HKD
Retailer 8HK$20,452 HKD
Retailer 11HK$21,182 HKD
Retailer 3HK$21,284 HKD
Retailer 4HK$24,265 HKD
Retailer 1HK$24,391 HKD
Retailer 6HK$26,784 HKD
Retailer 9HK$38,567 HKD
Retailer 2HK$40,050 HKD

27 data points across 11 retailers

18 retailersHK$17,573 HKD to HK$38,567 HKD

A
Cheapest Retailer
-
HK$17,573 HKD
A
Retailer 2
-
HK$18,264 HKD
View
A
Retailer 3
-
HK$20,225 HKD
View
A
Retailer 4
-
HK$20,452 HKD
View
A
Retailer 5
-
HK$21,182 HKD
View
A
Retailer 6
-
HK$21,284 HKD
View
Final sale: no returns
A
Retailer 7
-
HK$21,716 HKD
View
Retailer 8
-
HK$23,057 HKD
View
Price last confirmed 21 days ago
Retailer 9
-
HK$23,057 HKD
View
Price last confirmed 17 days ago
Retailer 10
-
HK$23,944 HKD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
HK$24,171 HKD
View
B+
Retailer 12
-
HK$24,265 HKD
View
Retailer 13
-
HK$24,391 HKD
View
Retailer 14
-
HK$26,611 HKD
View
Price last confirmed 19 days ago
B+
Retailer 15
-
HK$26,784 HKD
View
B
Retailer 16
-
HK$38,567 HKD
View
Retailer 17
-
HK$40,050 HKD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
ee99d515-89b0-4947-b6a3-452c10ed6a7d · Oct 17
HK$48,209 HKD
$6,145 USD
View
Price last confirmed 19 days ago
17 more retailers have this diamond
Prices start from HK$17,573 HKDSave up to HK$20,994 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$17,573 HKD