Cushion|Natural|GIA

1.30ct J IF Cushion Natural Diamond

EX • J/IF • GIA 6237859412

Certificate GIA 6237859412

Diamond specifications and retailer prices

From $5,673 AUD
As of November 6, 2026
Save $6,203 AUD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,876 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237859412. Listed at 20 retailers as of November 4, 2026, with prices from $5,673 to $11,876, a $6,203 spread on the same certified stone. MOH London lists it at $11,876. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.82°
OriginNatural
Grading LabGIA
CertificateGIA 6237859412
Dimensions7.41 × 5.64 × 3.90 mm
L/W Ratio1.31
Top View
7.41 mm5.64 mm1.30 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237859412
Side View
Table 60.0%CrownGirdle: MED-VTKPavilion 35.82°Culet: NoneDepth 69.1%

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: $11,876 AUD|Low: $5,673 AUD|High: $12,051 AUD|Avg: $7,625 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 10$5,673 AUD
Retailer 7$6,251 AUD
Retailer 3$6,395 AUD
Retailer 11$6,396 AUD
Retailer 9$7,150 AUD
Retailer 2$7,408 AUD
Retailer 8$7,536 AUD
Retailer 4$7,871 AUD
Retailer 5$7,957 AUD
Retailer 6$9,121 AUD
MOH London$11,876 AUD

45 data points across 11 retailers

20 retailers$5,673 AUD to $11,876 AUD

A
Cheapest Retailer
-
$5,673 AUD
A
Retailer 2
-
$5,841 AUD
View
A
Retailer 3
-
$5,907 AUD
View
B+
Retailer 4
-
$5,976 AUD
View
B+
Retailer 5
-
$6,251 AUD
View
Final sale: no returns
B+
Retailer 6
-
$6,395 AUD
View
B+
Retailer 7
-
$6,396 AUD
View
B+
Retailer 8
-
$7,121 AUD
View
B+
Retailer 9
-
$7,150 AUD
View
B
Retailer 10
-
$7,379 AUD
View
B+
Retailer 11
-
$7,408 AUD
View
Retailer 12
-
$7,536 AUD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$7,597 AUD
View
B+
Retailer 14
-
$7,597 AUD
View
B+
Retailer 15
-
$7,859 AUD
View
B+
Retailer 16
-
$7,871 AUD
View
B+
Retailer 17
-
$7,957 AUD
View
Retailer 18
-
$8,252 AUD
View
Price last confirmed 15 days ago
B
Retailer 19
-
$9,121 AUD
View
Most Expensive
B
MOH London
D5B87F691 · Nov 4
$11,876 AUD
£6,425 GBP
View
19 more retailers have this diamond
Prices start from $5,673 AUDSave up to $6,203 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
$5,673 AUD