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Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6565439499

Certificate GIA 6565439499

Diamond specifications and retailer prices

From HK$17,871 HKD
As of November 4, 2026
Save HK$31,750 HKD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$49,621 HKD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565439499. Listed at 21 retailers as of November 4, 2026, with prices from HK$17,871 to HK$49,621, a HK$31,750 spread on the same certified stone. NZ Jewellers lists it at HK$49,621. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565439499
Dimensions6.40 × 6.37 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.40 mm6.37 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565439499
Side View
Table 55.0%Crown 36°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 62.8%

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$24,846 HKD|Low: HK$17,871 HKD|High: HK$39,901 HKD|Avg: HK$24,100 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
Retailer 13
November 6, 2026
Retailer 4HK$17,871 HKD
Retailer 11HK$17,926 HKD
Retailer 5HK$19,637 HKD
Retailer 12HK$20,413 HKD
Retailer 13HK$20,594 HKD
Retailer 8HK$21,464 HKD
Retailer 9HK$22,696 HKD
Retailer 3HK$22,790 HKD
Retailer 6HK$24,618 HKD
Retailer 1HK$24,846 HKD
Retailer 7HK$26,242 HKD
Retailer 10HK$27,497 HKD
Retailer 2HK$39,689 HKD

22 data points across 13 retailers

21 retailersHK$17,871 HKD to HK$49,621 HKD

A
Cheapest Retailer
-
HK$17,871 HKD
A
Retailer 2
-
HK$17,926 HKD
View
Retailer 3
-
HK$19,637 HKD
View
Price last confirmed 11 days ago
A
Retailer 4
-
HK$20,107 HKD
View
A
Retailer 5
-
HK$20,413 HKD
View
A
Retailer 6
-
HK$20,594 HKD
View
A
Retailer 7
-
HK$20,892 HKD
View
A
Retailer 8
-
HK$21,464 HKD
View
A
Retailer 9
-
HK$21,904 HKD
View
Final sale: no returns
A
Retailer 10
-
HK$22,696 HKD
View
A
Retailer 11
-
HK$22,790 HKD
View
A
Retailer 12
-
HK$23,732 HKD
View
A
Retailer 13
-
HK$24,618 HKD
View
B+
Retailer 14
-
HK$24,650 HKD
View
Retailer 15
-
HK$24,846 HKD
View
B+
Retailer 16
-
HK$26,242 HKD
View
B+
Retailer 17
-
HK$27,388 HKD
View
B+
Retailer 18
-
HK$27,497 HKD
View
B+
Retailer 19
-
HK$34,550 HKD
View
B
Retailer 20
-
HK$39,689 HKD
View
Most Expensive
B
NZ Jewellers
7a2dbb6a-4cc8-405f-9168-08fa7d082c80 · Nov 5
HK$49,621 HKD
$6,325 USD
View
20 more retailers have this diamond
Prices start from HK$17,871 HKDSave up to HK$31,750 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$17,871 HKD