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Cushion|Natural|GIA

1.30ct H SI2 Cushion Natural Diamond

ID • H/SI2 • GIA 2557837394

Certificate GIA 2557837394

Diamond specifications and retailer prices

From $4,173 AUD
As of November 6, 2026
Save $4,980 AUD (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,153 AUD at MOH London · As of November 4, 2026
View at MOH London

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 2557837394. Listed at 12 retailers as of November 4, 2026, with prices from $4,173 to $9,153, a $4,980 spread on the same certified stone. MOH London lists it at $9,153. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557837394
Dimensions7.49 × 5.71 × 3.91 mm
L/W Ratio1.31
Top View
7.49 mm5.71 mm1.30 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557837394
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.4%

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: $9,153 AUD|Low: $4,154 AUD|High: $9,469 AUD|Avg: $5,876 AUD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$4,173 AUD
Retailer 8$4,192 AUD
Retailer 11$4,871 AUD
Retailer 3$5,271 AUD
Retailer 5$5,395 AUD
Retailer 10$5,487 AUD
Retailer 7$5,682 AUD
Retailer 9$5,699 AUD
Retailer 12$5,894 AUD
Retailer 6$6,388 AUD
Retailer 4$8,088 AUD
MOH London$9,153 AUD

25 data points across 12 retailers

12 retailers$4,173 AUD to $9,153 AUD

A
Cheapest Retailer
-
$4,173 AUD
A
Retailer 2
-
$4,192 AUD
View
B+
Retailer 3
-
$4,871 AUD
View
Retailer 4
-
$5,271 AUD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$5,395 AUD
View
Retailer 6
-
$5,487 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$5,682 AUD
View
B
Retailer 8
-
$5,699 AUD
View
B
Retailer 9
-
$5,894 AUD
View
B+
Retailer 10
-
$6,388 AUD
View
B
Retailer 11
-
$8,088 AUD
View
Most Expensive
B
MOH London
4D6908E50 · Nov 4
$9,153 AUD
£4,952 GBP
View
11 more retailers have this diamond
Prices start from $4,173 AUDSave up to $4,980 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
1.30ct Cushion
$4,173 AUD