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Round|Natural|GIA

1.01ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2548700755

Certificate GIA 2548700755

Diamond specifications and retailer prices

From $2,103 AUD
As of November 1, 2026
Save $2,777 AUD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,795 AUD at NZ Jewellers · As of September 28, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2548700755. Listed at 18 retailers as of November 1, 2026, with a 132% 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2548700755
Dimensions6.51 × 6.54 × 3.84 mm
L/W Ratio1.00
Top View
6.51 mm6.54 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548700755
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 58.9%

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: $2,783 AUD|Low: $2,103 AUD|High: $4,940 AUD|Avg: $3,166 AUD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$2,103 AUD
Retailer 5$2,217 AUD
Retailer 3$2,680 AUD
Retailer 9$2,683 AUD
Retailer 1$2,783 AUD
Retailer 4$3,037 AUD
Retailer 8$3,424 AUD
Retailer 2$3,791 AUD
Retailer 6$4,880 AUD

29 data points across 9 retailers

18 retailers$2,103 AUD to $4,880 AUD

A
Cheapest Retailer
-
$2,103 AUD
A
Retailer 2
-
$2,217 AUD
View
B+
Retailer 3
-
$2,633 AUD
View
B+
Retailer 4
-
$2,636 AUD
View
B+
Retailer 5
-
$2,680 AUD
View
B+
Retailer 6
-
$2,683 AUD
View
B+
Retailer 7
-
$2,783 AUD
View
Retailer 8
-
$2,786 AUD
View
Price last confirmed 39 days ago
Retailer 9
-
$2,786 AUD
View
Price last confirmed 36 days ago
Retailer 10
-
$2,914 AUD
View
Price last confirmed 38 days ago
Retailer 11
-
$2,933 AUD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$2,983 AUD
View
B+
Retailer 13
-
$3,037 AUD
View
Retailer 14
-
$3,214 AUD
View
Price last confirmed 38 days ago
B
Retailer 15
-
$3,424 AUD
View
B
Retailer 16
-
$3,791 AUD
View
B
Retailer 17
-
$4,880 AUD
View
Most Expensive
NZ Jewellers
2f625a90-c58c-4c85-961d-c1d48712a4ac · Sep 28
$6,795 AUD
$4,757 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from $2,103 AUDSave up to $2,777 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
$2,103 AUD