CaratHunter
Plans
Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1289093164

Certificate GIA 1289093164

Diamond specifications and retailer prices

From $2,248 AUD
As of November 6, 2026
Save $4,514 AUD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,763 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1289093164. Listed at 16 retailers as of November 5, 2026, with prices from $2,248 to $6,763, a $4,514 spread on the same certified stone. NZ Jewellers lists it at $6,763. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1289093164
Dimensions6.44 × 6.35 × 3.83 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.44 mm6.35 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1289093164
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 59.9%

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: $6,763 AUD|Low: $2,248 AUD|High: $6,763 AUD|Avg: $3,208 AUD
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
November 6, 2026
Retailer 11$2,248 AUD
Retailer 4$2,288 AUD
Retailer 9$2,328 AUD
Retailer 5$2,511 AUD
Retailer 13$2,511 AUD
Retailer 10$2,627 AUD
Retailer 3$2,746 AUD
Retailer 12$2,898 AUD
Retailer 2$2,993 AUD
Retailer 6$3,266 AUD
Retailer 7$3,511 AUD
Retailer 8$4,843 AUD
NZ Jewellers$6,763 AUD

40 data points across 13 retailers

16 retailers$2,248 AUD to $6,763 AUD

B+
Cheapest Retailer
-
$2,248 AUD
B+
Retailer 2
-
$2,260 AUD
View
B+
Retailer 3
-
$2,288 AUD
View
B+
Retailer 4
-
$2,328 AUD
View
B+
Retailer 5
-
$2,357 AUD
View
B+
Retailer 6
-
$2,511 AUD
View
Retailer 7
-
$2,511 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,627 AUD
View
B+
Retailer 9
-
$2,746 AUD
View
B
Retailer 10
-
$2,898 AUD
View
B
Retailer 11
-
$2,993 AUD
View
B
Retailer 12
-
$3,266 AUD
View
B
Retailer 13
-
$3,511 AUD
View
B
Retailer 14
-
$3,976 AUD
View
B
Retailer 15
-
$4,843 AUD
View
Most Expensive
C
NZ Jewellers
f59eef37-bd43-4665-92ea-38679c8c9751 · Nov 5
$6,763 AUD
$4,734 USD
View
15 more retailers have this diamond
Prices start from $2,248 AUDSave up to $4,514 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+
1.00ct Round
$2,248 AUD