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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6425908649

Certificate GIA 6425908649

Diamond specifications and retailer prices

From HK$19,482 HKD
As of October 30, 2026
Save HK$29,314 HKD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$48,796 HKD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 6425908649. Listed at 19 retailers as of October 29, 2026, with prices from HK$19,482 to HK$48,796, a HK$29,314 spread on the same certified stone. Diamond Quarter lists it at HK$48,796. 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 angle32°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6425908649
Dimensions6.51 × 6.47 × 3.87 mm
L/W Ratio1.01
Top View
6.51 mm6.47 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6425908649
Side View
Table 60.0%Crown 32°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.6%

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$28,652 HKD|Low: HK$19,504 HKD|High: HK$45,376 HKD|Avg: HK$27,022 HKD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2HK$19,622 HKD
Retailer 3HK$23,733 HKD
Retailer 8HK$23,804 HKD
Retailer 6HK$24,094 HKD
Retailer 7HK$24,361 HKD
Retailer 9HK$24,745 HKD
Retailer 4HK$27,846 HKD
Retailer 1HK$28,652 HKD
Retailer 5HK$45,077 HKD

32 data points across 9 retailers

19 retailersHK$19,482 HKD to HK$48,796 HKD

Retailer 1
-
HK$18,406 HKD
$2,346 USD
Price last confirmed 17 days ago
A
Retailer 2
-
HK$19,482 HKD
View
A
Retailer 3
-
HK$19,622 HKD
₹238,187 INR
View
A
Retailer 4
-
HK$22,894 HKD
$2,918 USD
View
A
Retailer 5
-
HK$23,733 HKD
£2,382 GBP
View
B+
Retailer 6
-
HK$23,804 HKD
$3,034 USD
View
A
Retailer 7
-
HK$24,094 HKD
$3,071 USD
View
Retailer 8
-
HK$24,361 HKD
$3,105 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$24,745 HKD
$3,154 USD
View
Final sale: no returns
B+
Retailer 10
-
HK$26,809 HKD
$3,417 USD
View
B+
Retailer 11
-
HK$27,403 HKD
SGD 4,720 SGD
View
B+
Retailer 12
-
HK$27,844 HKD
$3,549 USD
View
B+
Retailer 13
-
HK$27,846 HKD
£2,795 GBP
View
B+
Retailer 14
-
HK$27,944 HKD
$3,562 USD
View
B+
Retailer 15
-
HK$28,652 HKD
€3,478 EUR
View
B
Retailer 16
-
HK$35,141 HKD
$4,479 USD
View
B
Retailer 17
-
HK$45,077 HKD
£4,524 GBP
View
B
Retailer 18
-
HK$46,705 HKD
$5,953 USD
View
Most Expensive
B
Diamond Quarter
1.0SI2E6449B9CDN · Oct 29
HK$48,796 HKD
£4,897 GBP
View
18 more retailers have this diamond
Prices start from HK$19,482 HKDSave up to HK$29,314 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$19,482 HKD