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Radiant|Natural|GIA

1.01ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6561312580

Certificate GIA 6561312580

Diamond specifications and retailer prices

From $1,851 AUD
As of November 5, 2026
Save $2,663 AUD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,515 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561312580. Listed at 9 retailers as of November 5, 2026, with prices from $1,851 to $4,515, a $2,663 spread on the same certified stone. NZ Jewellers lists it at $4,515. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561312580
Dimensions6.88 × 5.10 × 3.51 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.88 mm5.10 mm1.01 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561312580
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

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 5
Current: $4,515 AUD|Low: $1,851 AUD|High: $4,515 AUD|Avg: $2,507 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 6$1,851 AUD
Retailer 8$1,851 AUD
Retailer 3$1,892 AUD
Retailer 9$1,921 AUD
Retailer 2$2,091 AUD
Retailer 7$2,135 AUD
Retailer 4$2,572 AUD
Retailer 5$3,379 AUD
NZ Jewellers$4,515 AUD

37 data points across 9 retailers

9 retailers$1,851 AUD to $4,515 AUD

A
Cheapest Retailer
-
$1,851 AUD
Retailer 2
-
$1,851 AUD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$1,892 AUD
View
A
Retailer 4
-
$1,921 AUD
View
A
Retailer 5
-
$2,091 AUD
View
B+
Retailer 6
-
$2,135 AUD
View
B+
Retailer 7
-
$2,572 AUD
View
B
Retailer 8
-
$3,379 AUD
View
Most Expensive
B
NZ Jewellers
c25ab4c3-ec68-4e03-965a-f5f565153387 · Nov 5
$4,515 AUD
$3,102 USD
View
8 more retailers have this diamond
Prices start from $1,851 AUDSave up to $2,663 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
$1,851 AUD