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Oval|Natural|GIA

1.40ct K SI1 Oval Natural Diamond

GD • K/SI1 • GIA 2547597634

Certificate GIA 2547597634

Diamond specifications and retailer prices

From $4,097 AUD
As of November 5, 2026
Save $4,798 AUD (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,895 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.4ct natural oval diamond

This 1.4ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2547597634. Listed at 10 retailers as of November 2, 2026, with prices from $4,097 to $8,895, a $4,798 spread on the same certified stone. NZ Jewellers lists it at $8,895. 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

1.40
Carat
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2547597634
Dimensions8.46 × 6.18 × 3.96 mm
L/W Ratio1.37
Top View
8.46 mm6.18 mm1.40 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547597634
Side View
Table 58.0%CrownGirdle: Very ThickPavilionCulet: 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 5
Current: $8,895 AUD|Low: $4,097 AUD|High: $8,895 AUD|Avg: $5,263 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 10$4,097 AUD
Retailer 2$4,141 AUD
Retailer 6$4,254 AUD
Retailer 8$4,254 AUD
Retailer 9$4,419 AUD
Retailer 3$4,503 AUD
Retailer 7$4,909 AUD
Retailer 5$5,229 AUD
Retailer 4$7,115 AUD
NZ Jewellers$8,895 AUD

30 data points across 10 retailers

10 retailers$4,097 AUD to $8,895 AUD

B+
Cheapest Retailer
-
$4,097 AUD
B+
Retailer 2
-
$4,141 AUD
View
Retailer 3
-
$4,254 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$4,254 AUD
View
B+
Retailer 5
-
$4,419 AUD
View
B+
Retailer 6
-
$4,503 AUD
View
B
Retailer 7
-
$4,909 AUD
View
B
Retailer 8
-
$5,229 AUD
View
B
Retailer 9
-
$7,115 AUD
View
Most Expensive
C
NZ Jewellers
ecf86984-118b-4598-83ff-ae9dd7b47fe1 · Nov 2
$8,895 AUD
$6,112 USD
View
9 more retailers have this diamond
Prices start from $4,097 AUDSave up to $4,798 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+
1.40ct Oval
$4,097 AUD