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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2567265892

Certificate GIA 2567265892

Diamond specifications and retailer prices

From $1,883 AUD
As of November 6, 2026
Save $4,243 AUD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,125 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 2567265892. Listed at 20 retailers as of November 5, 2026, with prices from $1,883 to $6,125, a $4,243 spread on the same certified stone. NZ Jewellers lists it at $6,125. 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

1.00
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2567265892
Dimensions6.14 × 6.23 × 4.01 mm
L/W Ratio1.01
Top View
6.14 mm6.23 mm1.00 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567265892
Side View
Table 56.0%Crown 38°Girdle: ThickPavilion 40°Culet: NoneDepth 64.8%

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 6
Current: $6,125 AUD|Low: $1,883 AUD|High: $6,185 AUD|Avg: $2,910 AUD|-1.0%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 5$1,883 AUD
Retailer 2$1,898 AUD
Retailer 8$2,221 AUD
Retailer 19$2,288 AUD
Retailer 14$2,401 AUD
Retailer 17$2,511 AUD
Retailer 10$2,536 AUD
Retailer 11$2,551 AUD
Retailer 18$2,600 AUD
Retailer 4$2,627 AUD
Retailer 12$2,654 AUD
Retailer 6$2,707 AUD
Retailer 13$2,771 AUD
Retailer 16$2,774 AUD
Retailer 9$2,898 AUD
Retailer 15$3,064 AUD
Retailer 7$3,417 AUD
Retailer 3$3,650 AUD
Retailer 20$4,388 AUD
NZ Jewellers$6,125 AUD

17 data points across 20 retailers

20 retailers$1,883 AUD to $6,125 AUD

A
Cheapest Retailer
-
$1,883 AUD
A
Retailer 2
-
$1,898 AUD
View
A
Retailer 3
-
$2,221 AUD
View
A
Retailer 4
-
$2,288 AUD
View
A
Retailer 5
-
$2,401 AUD
View
B+
Retailer 6
-
$2,511 AUD
View
Retailer 7
-
$2,536 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,551 AUD
View
B+
Retailer 9
-
$2,600 AUD
View
B+
Retailer 10
-
$2,627 AUD
View
Retailer 11
-
$2,654 AUD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$2,707 AUD
View
B+
Retailer 13
-
$2,771 AUD
View
B+
Retailer 14
-
$2,774 AUD
View
B+
Retailer 15
-
$2,898 AUD
View
B+
Retailer 16
-
$3,064 AUD
View
B
Retailer 17
-
$3,417 AUD
View
B
Retailer 18
-
$3,650 AUD
View
B
Retailer 19
-
$4,388 AUD
View
Most Expensive
B
NZ Jewellers
686a5fa4-0f8c-42a8-840b-4f20de2dafd9 · Nov 5
$6,125 AUD
$4,288 USD
View
19 more retailers have this diamond
Prices start from $1,883 AUDSave up to $4,243 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
1.00ct Round
$1,883 AUD