Oval|Natural|GIA

1.35ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7508688150

Certificate GIA 7508688150

Diamond specifications and retailer prices

From $3,109 AUD
As of November 6, 2026
Save $5,913 AUD (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,022 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.35ct natural oval diamond

This 1.35ct 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 7508688150. Listed at 20 retailers as of November 5, 2026, with prices from $3,109 to $9,022, a $5,913 spread on the same certified stone. NZ Jewellers lists it at $9,022. 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

1.35
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7508688150
Dimensions9.36 × 6.05 × 3.69 mm
L/W Ratio1.55
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Pinpoint
Top View
9.36 mm6.05 mm1.35 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7508688150
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,109 AUD|Low: $3,109 AUD|High: $7,293 AUD|Avg: $4,663 AUD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$3,109 AUD
Retailer 8$3,167 AUD
Retailer 9$3,922 AUD
Retailer 2$4,186 AUD
Retailer 3$4,398 AUD
Retailer 5$4,567 AUD
Retailer 7$5,050 AUD
Retailer 4$5,267 AUD
Retailer 6$7,197 AUD

29 data points across 9 retailers

20 retailers$3,109 AUD to $9,022 AUD

A
Cheapest Retailer
-
$3,109 AUD
A
Retailer 2
-
$3,167 AUD
View
A
Retailer 3
-
$3,685 AUD
View
B+
Retailer 4
-
$3,823 AUD
View
B+
Retailer 5
-
$3,864 AUD
View
Retailer 6
-
$3,922 AUD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$4,186 AUD
View
B+
Retailer 8
-
$4,213 AUD
View
Retailer 9
-
$4,315 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$4,315 AUD
View
B+
Retailer 11
-
$4,398 AUD
View
B+
Retailer 12
-
$4,481 AUD
View
B+
Retailer 13
-
$4,522 AUD
View
B+
Retailer 14
-
$4,567 AUD
View
B+
Retailer 15
-
$4,979 AUD
View
B+
Retailer 16
-
$5,050 AUD
View
B
Retailer 17
-
$5,267 AUD
View
B
Retailer 18
-
$6,308 AUD
View
B
Retailer 19
-
$7,197 AUD
View
Most Expensive
B
NZ Jewellers
269cb57b-a638-4a32-8fef-85ac1a2faaea · Nov 5
$9,022 AUD
$6,199 USD
View
19 more retailers have this diamond
Prices start from $3,109 AUDSave up to $5,913 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
1.35ct Oval
$3,109 AUD