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Round|Natural|GIA

1.01ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 5221756425

Certificate GIA 5221756425

Diamond specifications and retailer prices

From $2,470 AUD
As of November 6, 2026
Save $3,976 AUD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,445 AUD at NZ Jewellers · As of November 5, 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 very-good cut grade and certified by GIA 5221756425. Listed at 18 retailers as of November 5, 2026, with prices from $2,470 to $6,445, a $3,976 spread on the same certified stone. NZ Jewellers lists it at $6,445. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5221756425
Dimensions6.40 × 6.34 × 4.00 mm
L/W Ratio1.01
Top View
6.40 mm6.34 mm1.01 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5221756425
Side View
Table 57.0%Crown 36°Girdle: THN-THKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,445 AUD|Low: $2,470 AUD|High: $6,445 AUD|Avg: $3,727 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$2,470 AUD
Retailer 8$2,524 AUD
Retailer 9$2,600 AUD
Retailer 3$2,850 AUD
Retailer 10$2,923 AUD
Retailer 2$3,330 AUD
Retailer 4$3,591 AUD
Retailer 6$3,763 AUD
Retailer 5$3,910 AUD
Retailer 7$5,387 AUD
NZ Jewellers$6,445 AUD

41 data points across 11 retailers

18 retailers$2,470 AUD to $6,445 AUD

B+
Cheapest Retailer
-
$2,470 AUD
B+
Retailer 2
-
$2,517 AUD
View
B+
Retailer 3
-
$2,524 AUD
View
B+
Retailer 4
-
$2,600 AUD
View
B+
Retailer 5
-
$2,626 AUD
View
B+
Retailer 6
-
$2,718 AUD
View
Retailer 7
-
$2,793 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,793 AUD
View
B+
Retailer 9
-
$2,850 AUD
View
B+
Retailer 10
-
$2,923 AUD
View
B
Retailer 11
-
$3,223 AUD
View
B
Retailer 12
-
$3,330 AUD
View
B
Retailer 13
-
$3,591 AUD
View
B
Retailer 14
-
$3,763 AUD
View
B
Retailer 15
-
$3,910 AUD
View
B
Retailer 16
-
$4,427 AUD
View
B
Retailer 17
-
$5,387 AUD
View
Most Expensive
C
NZ Jewellers
bc1e63d0-236f-45bb-85cb-fee2117aeba2 · Nov 5
$6,445 AUD
$4,512 USD
View
17 more retailers have this diamond
Prices start from $2,470 AUDSave up to $3,976 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.

B+
1.01ct Round
$2,470 AUD