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Cushion|Natural|GIA

1.30ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 6235662469

Certificate GIA 6235662469

Diamond specifications and retailer prices

From $3,334 AUD
As of November 6, 2026
Save $1,703 AUD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,037 AUD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

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 I 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 6235662469. Listed at 6 retailers as of November 5, 2026, with prices from $3,334 to $5,037, a $1,703 spread on the same certified stone. 77 Diamonds lists it at $5,037. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6235662469
Dimensions6.42 × 5.89 × 4.01 mm
L/W Ratio1.09
Top View
6.42 mm5.89 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6235662469
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.1%

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: $5,037 AUD|Low: $3,032 AUD|High: $5,090 AUD|Avg: $3,742 AUD|+1.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2$3,334 AUD
Retailer 3$3,365 AUD
Retailer 4$3,425 AUD
Retailer 5$3,595 AUD
77 Diamonds$5,037 AUD

35 data points across 5 retailers

6 retailers$3,334 AUD to $5,037 AUD

A
Cheapest Retailer
-
$3,334 AUD
Final sale: no returns
A
Retailer 2
-
$3,365 AUD
View
A
Retailer 3
-
$3,425 AUD
View
A
Retailer 4
-
$3,537 AUD
View
A
Retailer 5
-
$3,595 AUD
View
Most Expensive
B+
77 Diamonds
CUSZKQRFPH33 · Nov 5
$5,037 AUD
£2,725 GBP
View
5 more retailers have this diamond
Prices start from $3,334 AUDSave up to $1,703 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
$3,334 AUD