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Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2516595059

Certificate GIA 2516595059

Diamond specifications and retailer prices

From HK$13,957 HKD
As of November 4, 2026
Save HK$17,864 HKD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$38,073 HKD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 2516595059. Listed at 18 retailers as of November 4, 2026, with a 128% 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

1.01
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2516595059
Dimensions6.53 × 6.47 × 3.94 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.53 mm6.47 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2516595059
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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: Nov 4
Current: HK$19,417 HKD|Low: HK$13,957 HKD|High: HK$32,291 HKD|Avg: HK$19,291 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 11HK$13,957 HKD
Retailer 5HK$14,639 HKD
Retailer 4HK$15,973 HKD
Retailer 6HK$16,279 HKD
Retailer 3HK$16,804 HKD
Retailer 10HK$16,985 HKD
Retailer 2HK$17,181 HKD
Retailer 1HK$19,417 HKD
Retailer 8HK$19,676 HKD
Retailer 7HK$22,594 HKD
Retailer 9HK$31,820 HKD

28 data points across 11 retailers

18 retailersHK$13,957 HKD to HK$31,820 HKD

A
Cheapest Retailer
-
HK$13,957 HKD
A
Retailer 2
-
HK$14,639 HKD
View
A
Retailer 3
-
HK$15,973 HKD
View
A
Retailer 4
-
HK$16,279 HKD
View
A
Retailer 5
-
HK$16,804 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$16,985 HKD
View
A
Retailer 7
-
HK$17,181 HKD
View
A
Retailer 8
-
HK$17,440 HKD
View
Retailer 9
-
HK$18,209 HKD
View
Price last confirmed 21 days ago
Retailer 10
-
HK$18,209 HKD
View
Price last confirmed 17 days ago
A
Retailer 11
-
HK$18,750 HKD
View
Retailer 12
-
HK$19,048 HKD
View
Price last confirmed 22 days ago
A
Retailer 13
-
HK$19,417 HKD
View
A
Retailer 14
-
HK$19,676 HKD
View
Retailer 15
-
HK$21,009 HKD
View
Price last confirmed 19 days ago
A
Retailer 16
-
HK$22,594 HKD
View
B
Retailer 17
-
HK$31,820 HKD
View
Most Expensive
NZ Jewellers
14b96735-5840-4dde-8432-30cea7101ad0 · Oct 17
HK$38,073 HKD
$4,853 USD
View
Price last confirmed 19 days ago
17 more retailers have this diamond
Prices start from HK$13,957 HKDSave up to HK$17,864 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
1.01ct Round
HK$13,957 HKD