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Oval|Natural|GIA

1.00ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 6422573558

Certificate GIA 6422573558

Diamond specifications and retailer prices

From $1,780 AUD
As of November 6, 2026
Save $4,311 AUD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,091 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6422573558. Listed at 17 retailers as of November 5, 2026, with prices from $1,780 to $6,091, a $4,311 spread on the same certified stone. NZ Jewellers lists it at $6,091. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6422573558
Dimensions7.54 × 5.71 × 3.36 mm
L/W Ratio1.32
Top View
7.54 mm5.71 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6422573558
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.9%

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: $2,729 AUD|Low: $1,780 AUD|High: $4,420 AUD|Avg: $2,692 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$1,780 AUD
Retailer 6$1,806 AUD
Retailer 8$2,336 AUD
Retailer 9$2,612 AUD
Retailer 1$2,729 AUD
Retailer 3$2,771 AUD
Retailer 4$3,048 AUD
Retailer 7$3,409 AUD
Retailer 5$4,362 AUD

39 data points across 9 retailers

17 retailers$1,780 AUD to $6,091 AUD

A
Cheapest Retailer
-
$1,780 AUD
A
Retailer 2
-
$1,806 AUD
View
B+
Retailer 3
-
$2,320 AUD
View
B+
Retailer 4
-
$2,336 AUD
View
Retailer 5
-
$2,497 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,497 AUD
View
B+
Retailer 7
-
$2,521 AUD
View
B+
Retailer 8
-
$2,598 AUD
View
B+
Retailer 9
-
$2,612 AUD
View
B+
Retailer 10
-
$2,729 AUD
View
B+
Retailer 11
-
$2,771 AUD
View
B+
Retailer 12
-
$2,882 AUD
View
B
Retailer 13
-
$3,048 AUD
View
B
Retailer 14
-
$3,409 AUD
View
B
Retailer 15
-
$4,362 AUD
View
B
Retailer 16
-
$4,787 AUD
View
Most Expensive
C
NZ Jewellers
a0daa0b7-c253-4d3e-bdf8-a98d80c4287a · Nov 5
$6,091 AUD
$4,185 USD
View
16 more retailers have this diamond
Prices start from $1,780 AUDSave up to $4,311 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
$1,780 AUD