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Cushion|Natural|GIA

1.30ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 2364264078

Certificate GIA 2364264078

Diamond specifications and retailer prices

From $5,113 AUD
As of November 6, 2026
Save $1,867 AUD (27%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,980 AUD at Washington Diamond · As of November 6, 2026
View at Washington Diamond

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2364264078. Listed at 10 retailers as of November 6, 2026, with prices from $5,113 to $6,980, a $1,867 spread on the same certified stone. Washington Diamond lists it at $6,980. 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

1.30
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2364264078
Dimensions6.45 × 5.98 × 3.98 mm
L/W Ratio1.08
Top View
6.45 mm5.98 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2364264078
Side View
Table 60.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 66.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,641 AUD|Low: $4,798 AUD|High: $6,980 AUD|Avg: $5,689 AUD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Washington Diamond
November 6, 2026
Retailer 5$4,798 AUD
Retailer 3$5,335 AUD
Retailer 6$5,335 AUD
Retailer 4$5,957 AUD
Retailer 2$5,976 AUD
Retailer 1$6,641 AUD
Washington Diamond$6,980 AUD

43 data points across 7 retailers

10 retailers$5,113 AUD to $6,980 AUD

B+
Cheapest Retailer
-
$5,113 AUD
B+
Retailer 2
-
$5,335 AUD
View
B+
Retailer 3
-
$5,335 AUD
View
B+
Retailer 4
-
$5,379 AUD
View
B+
Retailer 5
-
$5,516 AUD
View
B+
Retailer 6
-
$5,957 AUD
View
B+
Retailer 7
-
$5,976 AUD
View
B
Retailer 8
-
$6,159 AUD
View
B
Retailer 9
-
$6,641 AUD
View
Most Expensive
B
Washington Diamond
1917992204 · Nov 6
$6,980 AUD
$4,796 USD
View
9 more retailers have this diamond
Prices start from $5,113 AUDSave up to $1,867 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+
1.30ct Cushion
$5,113 AUD