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Oval|Natural|GIA

1.00ct K SI1 Oval Natural Diamond

VG • K/SI1 • GIA 6501640651

Certificate GIA 6501640651

Diamond specifications and retailer prices

From $1,748 AUD
As of November 6, 2026
Save $4,235 AUD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,983 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6501640651. Listed at 17 retailers as of November 5, 2026, with prices from $1,748 to $5,983, a $4,235 spread on the same certified stone. NZ Jewellers lists it at $5,983. 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 (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6501640651
Dimensions8.16 × 5.34 × 3.42 mm
L/W Ratio1.53
Top View
8.16 mm5.34 mm1.00 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6501640651
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.1%

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: $1,748 AUD|Low: $1,748 AUD|High: $2,995 AUD|Avg: $2,425 AUD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$1,748 AUD
Retailer 5$1,787 AUD
Retailer 8$2,300 AUD
Retailer 2$2,380 AUD
Retailer 6$2,397 AUD
Retailer 3$2,476 AUD
Retailer 4$2,962 AUD
Retailer 7$2,976 AUD

34 data points across 8 retailers

17 retailers$1,748 AUD to $5,983 AUD

A
Cheapest Retailer
-
$1,748 AUD
A
Retailer 2
-
$1,787 AUD
View
B+
Retailer 3
-
$2,170 AUD
View
B+
Retailer 4
-
$2,235 AUD
View
B+
Retailer 5
-
$2,300 AUD
View
B+
Retailer 6
-
$2,380 AUD
View
B+
Retailer 7
-
$2,397 AUD
View
Retailer 8
-
$2,454 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,454 AUD
View
B+
Retailer 10
-
$2,476 AUD
View
B+
Retailer 11
-
$2,554 AUD
View
B+
Retailer 12
-
$2,566 AUD
View
B+
Retailer 13
-
$2,701 AUD
View
B
Retailer 14
-
$2,831 AUD
View
B+
Retailer 15
-
$2,962 AUD
View
B
Retailer 16
-
$4,787 AUD
View
Most Expensive
C
NZ Jewellers
b207e61f-dc65-427a-bf81-52655f8bc27c · Nov 5
$5,983 AUD
$4,111 USD
View
16 more retailers have this diamond
Prices start from $1,748 AUDSave up to $4,235 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 Oval
$1,748 AUD