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Radiant|Natural|GIA

1.01ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 1558553561

Certificate GIA 1558553561

Diamond specifications and retailer prices

From $1,943 AUD
As of November 7, 2026
Save $2,972 AUD (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,915 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558553561. Listed at 11 retailers as of November 5, 2026, with prices from $1,943 to $4,915, a $2,972 spread on the same certified stone. NZ Jewellers lists it at $4,915. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1558553561
Dimensions7.01 × 5.06 × 3.19 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.01 mm5.06 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1558553561
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: 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 7
Current: $4,915 AUD|Low: $1,943 AUD|High: $4,915 AUD|Avg: $2,609 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3$1,943 AUD
Retailer 5$1,955 AUD
Retailer 8$2,016 AUD
Retailer 10$2,016 AUD
Retailer 11$2,107 AUD
Retailer 4$2,224 AUD
Retailer 9$2,326 AUD
Retailer 7$2,458 AUD
Retailer 6$2,794 AUD
Retailer 2$3,671 AUD
NZ Jewellers$4,915 AUD

31 data points across 11 retailers

11 retailers$1,943 AUD to $4,915 AUD

A
Cheapest Retailer
-
$1,943 AUD
A
Retailer 2
-
$1,955 AUD
View
A
Retailer 3
-
$2,016 AUD
View
Retailer 4
-
$2,016 AUD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$2,107 AUD
View
A
Retailer 6
-
$2,224 AUD
View
B+
Retailer 7
-
$2,326 AUD
View
B+
Retailer 8
-
$2,458 AUD
View
B+
Retailer 9
-
$2,794 AUD
View
B
Retailer 10
-
$3,671 AUD
View
Most Expensive
B
NZ Jewellers
50dce42f-6da0-45b4-b750-9d7622e92e62 · Nov 5
$4,915 AUD
$3,377 USD
View
10 more retailers have this diamond
Prices start from $1,943 AUDSave up to $2,972 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 Radiant
$1,943 AUD