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Oval|Natural|GIA

1.40ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 5413645567

Certificate GIA 5413645567

Diamond specifications and retailer prices

From $3,334 AUD
As of November 6, 2026
Save $4,468 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,802 AUD at NZ Jewellers · As of November 5, 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5413645567. Listed at 17 retailers as of November 5, 2026, with prices from $3,334 to $7,802, a $4,468 spread on the same certified stone. NZ Jewellers lists it at $7,802. 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

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5413645567
Dimensions8.91 × 6.01 × 3.92 mm
L/W Ratio1.48
Top View
8.91 mm6.01 mm1.40 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5413645567
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.2%

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: $7,802 AUD|Low: $3,315 AUD|High: $7,856 AUD|Avg: $5,069 AUD|-0.7%
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 12$3,334 AUD
Retailer 7$4,030 AUD
Retailer 14$4,031 AUD
Retailer 3$4,478 AUD
Retailer 13$4,478 AUD
Retailer 9$4,601 AUD
Retailer 2$4,643 AUD
Retailer 4$4,650 AUD
Retailer 6$4,650 AUD
Retailer 15$4,685 AUD
Retailer 5$5,167 AUD
Retailer 8$5,212 AUD
Retailer 10$5,465 AUD
Retailer 11$7,469 AUD
NZ Jewellers$7,802 AUD

32 data points across 15 retailers

17 retailers$3,334 AUD to $7,802 AUD

A
Cheapest Retailer
-
$3,334 AUD
A
Retailer 2
-
$4,030 AUD
View
B+
Retailer 3
-
$4,031 AUD
View
B+
Retailer 4
-
$4,340 AUD
View
Retailer 5
-
$4,363 AUD
View
Price last confirmed 117 days ago
Retailer 6
-
$4,478 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,478 AUD
View
B+
Retailer 8
-
$4,601 AUD
View
B+
Retailer 9
-
$4,643 AUD
View
B+
Retailer 10
-
$4,650 AUD
View
B+
Retailer 11
-
$4,650 AUD
View
B+
Retailer 12
-
$4,685 AUD
View
B+
Retailer 13
-
$5,167 AUD
View
B+
Retailer 14
-
$5,212 AUD
View
B
Retailer 15
-
$5,465 AUD
View
B
Retailer 16
-
$7,469 AUD
View
Most Expensive
B
NZ Jewellers
d1a521e4-9236-45e6-9a72-6edda4d1aa45 · Nov 5
$7,802 AUD
$5,361 USD
View
16 more retailers have this diamond
Prices start from $3,334 AUDSave up to $4,468 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
1.40ct Oval
$3,334 AUD