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Cushion|Natural|GIA

1.30ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1543541732

Certificate GIA 1543541732

Diamond specifications and retailer prices

From $6,517 AUD
As of November 6, 2026
Save $5,830 AUD (47%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,347 AUD at MOH London · As of November 7, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543541732. Listed at 20 retailers as of November 6, 2026, with prices from $6,517 to $12,347, a $5,830 spread on the same certified stone. MOH London lists it at $12,347. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543541732
Dimensions8.42 × 5.33 × 3.53 mm
L/W Ratio1.58
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
8.42 mm5.33 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543541732
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.1%

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: $12,347 AUD|Low: $6,517 AUD|High: $13,044 AUD|Avg: $8,548 AUD|-5.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 6$6,517 AUD
Retailer 16$6,739 AUD
Retailer 2$6,827 AUD
Retailer 5$7,000 AUD
Retailer 4$7,062 AUD
Retailer 8$7,475 AUD
Retailer 12$7,549 AUD
Retailer 13$7,570 AUD
Retailer 10$7,610 AUD
Retailer 7$7,961 AUD
Retailer 9$7,961 AUD
Retailer 3$8,223 AUD
Retailer 11$8,291 AUD
Retailer 14$8,769 AUD
Retailer 15$9,510 AUD
Retailer 17$12,014 AUD
MOH London$12,347 AUD

28 data points across 17 retailers

20 retailers$6,517 AUD to $12,347 AUD

A
Cheapest Retailer
-
$6,517 AUD
Final sale: no returns
A
Retailer 2
-
$6,739 AUD
View
B+
Retailer 3
-
$6,827 AUD
View
B+
Retailer 4
-
$7,000 AUD
View
B+
Retailer 5
-
$7,062 AUD
View
B+
Retailer 6
-
$7,434 AUD
View
B+
Retailer 7
-
$7,475 AUD
View
B+
Retailer 8
-
$7,549 AUD
View
B+
Retailer 9
-
$7,570 AUD
View
B+
Retailer 10
-
$7,610 AUD
View
B+
Retailer 11
-
$7,802 AUD
View
B+
Retailer 12
-
$7,961 AUD
View
B+
Retailer 13
-
$7,961 AUD
View
Retailer 14
-
$8,165 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
$8,223 AUD
View
B
Retailer 16
-
$8,291 AUD
View
B+
Retailer 17
-
$8,769 AUD
View
B+
Retailer 18
-
$9,510 AUD
View
Retailer 19
-
$12,014 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
8E5951604 · Nov 7
$12,347 AUD
£6,680 GBP
View
19 more retailers have this diamond
Prices start from $6,517 AUDSave up to $5,830 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
$6,517 AUD