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Cushion|Natural|GIA

1.30ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1555126487

Certificate GIA 1555126487

Diamond specifications and retailer prices

From $5,217 AUD
$3,665 USD
As of October 31, 2026
Save $5,677 AUD (52%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,895 AUD at MOH London · As of October 29, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555126487. Listed at 24 retailers as of October 29, 2026, with prices from $5,217 to $10,895, a $5,677 spread on the same certified stone. MOH London lists it at $10,895. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555126487
Dimensions7.30 × 5.62 × 3.94 mm
L/W Ratio1.30
Girdle conditionSlightly Thick to Very Thick
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
7.30 mm5.62 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555126487
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.1%

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: Oct 31
Current: $10,895 AUD|Low: $4,474 AUD|High: $10,967 AUD|Avg: $6,829 AUD|+0.4%
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
November 1, 2026
Retailer 5$5,217 AUD
Retailer 7$5,369 AUD
Retailer 8$5,689 AUD
Retailer 11$6,004 AUD
Retailer 9$6,164 AUD
Retailer 3$6,234 AUD
Retailer 12$6,530 AUD
Retailer 2$6,766 AUD
Retailer 10$6,809 AUD
Retailer 4$6,926 AUD
Retailer 6$7,236 AUD
Retailer 13$9,845 AUD
MOH London$10,895 AUD

45 data points across 13 retailers

24 retailers$5,217 AUD to $10,895 AUD

A
Cheapest Retailer
-
$5,217 AUD
$3,665 USD
A
Retailer 2
-
$5,316 AUD
$3,734 USD
View
A
Retailer 3
-
$5,369 AUD
$3,772 USD
View
A
Retailer 4
-
$5,424 AUD
$3,810 USD
View
A
Retailer 5
-
$5,437 AUD
$3,819 USD
View
A
Retailer 6
-
$5,628 AUD
View
A
Retailer 7
-
$5,689 AUD
$3,996 USD
View
Final sale: no returns
A
Retailer 8
-
$6,004 AUD
CA$5,858 CAD
View
A
Retailer 9
-
$6,132 AUD
$4,308 USD
View
A
Retailer 10
-
$6,164 AUD
$4,330 USD
View
A
Retailer 11
-
$6,234 AUD
$4,379 USD
View
Retailer 12
-
$6,334 AUD
$4,449 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$6,355 AUD
View
B+
Retailer 14
-
$6,511 AUD
$4,574 USD
View
B+
Retailer 15
-
$6,530 AUD
$4,587 USD
View
B+
Retailer 16
-
$6,766 AUD
£3,742 GBP
View
Retailer 17
-
$6,809 AUD
£3,766 GBP
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$6,926 AUD
$4,865 USD
View
B+
Retailer 19
-
$6,933 AUD
$4,870 USD
View
B+
Retailer 20
-
$6,933 AUD
$4,870 USD
View
B+
Retailer 21
-
$7,161 AUD
$5,030 USD
View
B+
Retailer 22
-
$7,236 AUD
€4,841 EUR
View
B
Retailer 23
-
$9,845 AUD
$6,915 USD
View
Most Expensive
B
MOH London
928F21819 · Oct 29
$10,895 AUD
£6,026 GBP
View
23 more retailers have this diamond
Prices start from $5,217 AUDSave up to $5,677 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
$5,217 AUD