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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 $2,405 AUD
HK$13,200 HKD
As of November 1, 2026
Save $3,149 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,356 AUD 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,882 AUD|Low: $2,387 AUD|High: $6,163 AUD|Avg: $3,430 AUD|-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 10$2,405 AUD
Retailer 5$2,574 AUD
Retailer 3$2,594 AUD
Retailer 12$2,651 AUD
Retailer 14$2,689 AUD
Retailer 1$2,882 AUD
Retailer 2$3,331 AUD
Retailer 13$3,331 AUD
Retailer 7$3,430 AUD
Retailer 4$3,445 AUD
Retailer 6$3,449 AUD
Retailer 11$3,872 AUD
Retailer 8$4,039 AUD
Retailer 9$5,554 AUD

28 data points across 14 retailers

16 retailers$2,405 AUD to $5,554 AUD

A
Cheapest Retailer
-
$2,405 AUD
HK$13,200 HKD
A
Retailer 2
-
$2,594 AUD
$1,822 USD
View
A
Retailer 3
-
$2,651 AUD
$1,862 USD
View
Final sale: no returns
A
Retailer 4
-
$2,689 AUD
$1,889 USD
View
A
Retailer 5
-
$2,882 AUD
£1,594 GBP
View
A
Retailer 6
-
$3,311 AUD
View
A
Retailer 7
-
$3,331 AUD
$2,340 USD
View
A
Retailer 8
-
$3,331 AUD
$2,340 USD
View
A
Retailer 9
-
$3,430 AUD
£1,897 GBP
View
A
Retailer 10
-
$3,445 AUD
$2,420 USD
View
Retailer 11
-
$3,448 AUD
$2,422 USD
View
Price last confirmed 39 days ago
A
Retailer 12
-
$3,872 AUD
$2,720 USD
View
Retailer 13
-
$3,979 AUD
$2,795 USD
View
Price last confirmed 41 days ago
B+
Retailer 14
-
$4,039 AUD
€2,702 EUR
View
B+
Retailer 15
-
$5,554 AUD
£3,072 GBP
View
Most Expensive
NZ Jewellers
31f749c3-f8ca-4e0a-9770-b7dbc8aff630 · Sep 21
$7,356 AUD
$5,167 USD
View
Price last confirmed 41 days ago
15 more retailers have this diamond
Prices start from $2,405 AUDSave up to $3,149 AUD

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
$2,405 AUD