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Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 5436735609

Certificate GIA 5436735609

Diamond specifications and retailer prices

From HK$15,000 HKD
As of November 5, 2026
Save HK$19,583 HKD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$34,583 HKD at MOH London · As of November 4, 2026
View at MOH London

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 top-tier cut grade and certified by GIA 5436735609. Listed at 9 retailers as of November 4, 2026, with prices from HK$15,000 to HK$34,583, a HK$19,583 spread on the same certified stone. MOH London lists it at HK$34,583. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5436735609
Dimensions6.32 × 6.36 × 4.00 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Indented Natural, Natural
Top View
6.32 mm6.36 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5436735609
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

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 5
Current: HK$34,583 HKD|Low: HK$15,000 HKD|High: HK$37,921 HKD|Avg: HK$21,422 HKD|-8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6HK$15,000 HKD
Retailer 9HK$15,879 HKD
Retailer 8HK$16,946 HKD
Retailer 7HK$17,887 HKD
Retailer 4HK$18,923 HKD
Retailer 3HK$20,813 HKD
Retailer 2HK$23,371 HKD
Retailer 5HK$24,155 HKD
MOH LondonHK$34,583 HKD

14 data points across 9 retailers

9 retailersHK$15,000 HKD to HK$34,583 HKD

A
Cheapest Retailer
-
HK$15,000 HKD
A
Retailer 2
-
HK$15,879 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$16,946 HKD
View
A
Retailer 4
-
HK$17,887 HKD
View
A
Retailer 5
-
HK$18,923 HKD
View
A
Retailer 6
-
HK$20,813 HKD
View
A
Retailer 7
-
HK$23,371 HKD
View
A
Retailer 8
-
HK$24,155 HKD
View
Most Expensive
B+
MOH London
E320763C6 · Nov 4
HK$34,583 HKD
£3,471 GBP
View
8 more retailers have this diamond
Prices start from HK$15,000 HKDSave up to HK$19,583 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$15,000 HKD