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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2215194753

Certificate GIA 2215194753

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)
18 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2215194753. Listed at 18 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2215194753
Dimensions6.30 × 6.24 × 4.01 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Culet sizeNone
Top View
6.30 mm6.24 mm1.00 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2215194753
Side View
Table 56.0%Crown 36.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.0%

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: $2,993 AUD|Low: $2,248 AUD|High: $4,915 AUD|Avg: $3,217 AUD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$2,248 AUD
Retailer 7$2,328 AUD
Retailer 2$2,600 AUD
Retailer 9$2,627 AUD
Retailer 1$2,993 AUD
Retailer 3$3,266 AUD
Retailer 5$3,383 AUD
Retailer 4$3,511 AUD
Retailer 8$3,976 AUD
Retailer 6$4,843 AUD

42 data points across 10 retailers

18 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
-
$2,444 AUD
View
Retailer 7
-
$2,511 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,511 AUD
View
B+
Retailer 9
-
$2,600 AUD
View
B+
Retailer 10
-
$2,627 AUD
View
B+
Retailer 11
-
$2,898 AUD
View
B+
Retailer 12
-
$2,993 AUD
View
B
Retailer 13
-
$3,266 AUD
View
B
Retailer 14
-
$3,383 AUD
View
B
Retailer 15
-
$3,511 AUD
View
B
Retailer 16
-
$3,976 AUD
View
B
Retailer 17
-
$4,843 AUD
View
Most Expensive
C
NZ Jewellers
787f9ccc-7ed7-4169-8f0d-7e071e8eca8a · Nov 5
$6,763 AUD
$4,734 USD
View
17 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