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Cushion|Natural|GIA

1.30ct I VS1 Cushion Natural Diamond

EX • I/VS1 • GIA 2526668637

Certificate GIA 2526668637

Diamond specifications and retailer prices

From $3,467 AUD
£1,918 GBP
As of November 1, 2026
Save $2,890 AUD (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,357 AUD at MOH London · As of November 1, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2526668637. Listed at 4 retailers as of November 1, 2026, with prices from $3,467 to $6,357, a $2,890 spread on the same certified stone. MOH London lists it at $6,357. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.43°
Pavilion angle32.86°
OriginNatural
Grading LabGIA
CertificateGIA 2526668637
Dimensions6.22 × 5.98 × 4.10 mm
L/W Ratio1.04
Top View
6.22 mm5.98 mm1.30 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526668637
Side View
Table 61.0%Crown 37.43°GirdlePavilion 32.86°CuletDepth 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 1
Current: $6,357 AUD|Low: $3,467 AUD|High: $6,679 AUD|Avg: $4,612 AUD|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$3,467 AUD
Retailer 3$3,595 AUD
Retailer 8$4,059 AUD
Retailer 4$4,121 AUD
Retailer 6$4,181 AUD
Retailer 5$4,395 AUD
Retailer 7$5,576 AUD
MOH London$6,357 AUD

37 data points across 8 retailers

4 retailers$3,467 AUD to $6,357 AUD

A
Cheapest Retailer
-
$3,467 AUD
£1,918 GBP
A
Retailer 2
-
$3,595 AUD
$2,525 USD
View
Retailer 3
-
$4,121 AUD
View
Price last confirmed 25 days ago
Most Expensive
B+
MOH London
8BDD3EC10 · Nov 1
$6,357 AUD
£3,516 GBP
View
3 more retailers have this diamond
Prices start from $3,467 AUDSave up to $2,890 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
$3,467 AUD