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Round|Natural|GIA

1.01ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2556587039

Certificate GIA 2556587039

Diamond specifications and retailer prices

From HK$13,256 HKD
As of November 1, 2026
Save HK$17,353 HKD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$40,539 HKD at NZ Jewellers · As of September 21, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556587039. Listed at 16 retailers as of November 1, 2026, with a 131% 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556587039
Dimensions6.35 × 6.38 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.35 mm6.38 mm1.01 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556587039
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$15,883 HKD|Low: HK$13,156 HKD|High: HK$33,967 HKD|Avg: HK$18,901 HKD|-5.5%
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
Retailer 14
November 2, 2026
Retailer 10HK$13,256 HKD
Retailer 5HK$14,185 HKD
Retailer 3HK$14,295 HKD
Retailer 12HK$14,609 HKD
Retailer 14HK$14,821 HKD
Retailer 1HK$15,883 HKD
Retailer 2HK$18,359 HKD
Retailer 13HK$18,359 HKD
Retailer 7HK$18,905 HKD
Retailer 4HK$18,987 HKD
Retailer 6HK$19,008 HKD
Retailer 11HK$21,340 HKD
Retailer 8HK$22,259 HKD
Retailer 9HK$30,610 HKD

28 data points across 14 retailers

16 retailersHK$13,256 HKD to HK$30,610 HKD

A
Cheapest Retailer
-
HK$13,256 HKD
A
Retailer 2
-
HK$14,295 HKD
$1,822 USD
View
A
Retailer 3
-
HK$14,609 HKD
$1,862 USD
View
Final sale: no returns
A
Retailer 4
-
HK$14,821 HKD
$1,889 USD
View
A
Retailer 5
-
HK$15,883 HKD
£1,594 GBP
View
A
Retailer 6
-
HK$18,247 HKD
A$3,578 AUD
View
A
Retailer 7
-
HK$18,359 HKD
$2,340 USD
View
A
Retailer 8
-
HK$18,359 HKD
$2,340 USD
View
A
Retailer 9
-
HK$18,905 HKD
£1,897 GBP
View
A
Retailer 10
-
HK$18,987 HKD
$2,420 USD
View
Retailer 11
-
HK$19,002 HKD
$2,422 USD
View
Price last confirmed 39 days ago
A
Retailer 12
-
HK$21,340 HKD
$2,720 USD
View
Retailer 13
-
HK$21,929 HKD
$2,795 USD
View
Price last confirmed 41 days ago
B+
Retailer 14
-
HK$22,259 HKD
€2,702 EUR
View
B+
Retailer 15
-
HK$30,610 HKD
£3,072 GBP
View
Most Expensive
NZ Jewellers
31f749c3-f8ca-4e0a-9770-b7dbc8aff630 · Sep 21
HK$40,539 HKD
$5,167 USD
View
Price last confirmed 41 days ago
15 more retailers have this diamond
Prices start from HK$13,256 HKDSave up to HK$17,353 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$13,256 HKD