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Round|Natural|GIA

1.36ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2517422431

Shape and cutting style on the report: Round brilliant

Certificate GIA 2517422431

Diamond specifications and retailer prices

From $3,560 AUD
As of November 6, 2026
Save $3,756 AUD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,642 AUD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.36ct natural round diamond

This 1.36ct natural round 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 and certified by GIA 2517422431. Listed at 19 retailers as of November 4, 2026, with a 105% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.36
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2517422431
Dimensions7.01 × 7.06 × 4.40 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.01 mm7.06 mm1.36 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2517422431
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: $4,197 AUD|Low: $3,560 AUD|High: $7,425 AUD|Avg: $4,767 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 4$3,560 AUD
Retailer 5$3,733 AUD
Retailer 2$3,900 AUD
Retailer 10$3,974 AUD
Retailer 11$4,157 AUD
Retailer 1$4,197 AUD
Retailer 6$4,507 AUD
Retailer 12$4,618 AUD
Retailer 7$4,853 AUD
Retailer 3$5,093 AUD
Retailer 8$5,354 AUD
Retailer 13$6,390 AUD
Retailer 9$7,315 AUD

41 data points across 13 retailers

19 retailers$3,560 AUD to $7,315 AUD

A
Cheapest Retailer
-
$3,560 AUD
A
Retailer 2
-
$3,733 AUD
View
B+
Retailer 3
-
$3,900 AUD
View
Retailer 4
-
$3,974 AUD
View
Price last confirmed 17 days ago
Retailer 5
-
$3,974 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
$3,974 AUD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$4,021 AUD
View
Retailer 8
-
$4,127 AUD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$4,157 AUD
View
B+
Retailer 10
-
$4,197 AUD
View
B+
Retailer 11
-
$4,507 AUD
View
Retailer 12
-
$4,585 AUD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
$4,618 AUD
View
B+
Retailer 14
-
$4,853 AUD
View
Retailer 15
-
$5,093 AUD
View
Price last confirmed 22 days ago
B
Retailer 16
-
$5,354 AUD
View
B
Retailer 17
-
$6,390 AUD
View
B
Retailer 18
-
$7,315 AUD
View
Most Expensive
NZ Jewellers
09e16cc2-2aa7-4431-a308-20b2e9fc9efe · Oct 20
$7,642 AUD
$5,350 USD
View
Price last confirmed 16 days ago
18 more retailers have this diamond
Prices start from $3,560 AUDSave up to $3,756 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
1.36ct Round
$3,560 AUD