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Cushion|Natural|GIA

1.25ct H SI2 Cushion Natural Diamond

ID • H/SI2 • GIA 6551683125

Certificate GIA 6551683125

Diamond specifications and retailer prices

From $2,433 AUD
As of November 6, 2026
Save $2,328 AUD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,761 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.25ct natural cushion diamond

This 1.25ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H 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 6551683125. Listed at 12 retailers as of November 4, 2026, with prices from $2,433 to $4,761, a $2,328 spread on the same certified stone. MOH London lists it at $4,761. 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

1.25
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.16°
Pavilion angle33.88°
OriginNatural
Grading LabGIA
CertificateGIA 6551683125
Dimensions5.97 × 6.12 × 4.01 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
5.97 mm6.12 mm1.25 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551683125
Side View
Table 63.0%Crown 37.16°Girdle: Very ThickPavilion 33.88°Culet: NoneDepth 67.1%

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: $4,761 AUD|Low: $2,375 AUD|High: $4,978 AUD|Avg: $3,292 AUD|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4$2,433 AUD
Retailer 2$2,464 AUD
Retailer 6$2,626 AUD
Retailer 11$2,736 AUD
Retailer 3$2,807 AUD
Retailer 8$2,870 AUD
Retailer 9$2,943 AUD
Retailer 10$2,957 AUD
Retailer 5$3,492 AUD
Retailer 7$3,627 AUD
MOH London$4,761 AUD

35 data points across 11 retailers

12 retailers$2,433 AUD to $4,761 AUD

A
Cheapest Retailer
-
$2,433 AUD
A
Retailer 2
-
$2,464 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,626 AUD
View
A
Retailer 4
-
$2,736 AUD
View
Retailer 5
-
$2,807 AUD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$2,807 AUD
View
A
Retailer 7
-
$2,870 AUD
View
A
Retailer 8
-
$2,943 AUD
View
A
Retailer 9
-
$2,957 AUD
View
A
Retailer 10
-
$3,492 AUD
View
A
Retailer 11
-
$3,627 AUD
View
Most Expensive
B+
MOH London
EAE7C8D04 · Nov 4
$4,761 AUD
£2,576 GBP
View
11 more retailers have this diamond
Prices start from $2,433 AUDSave up to $2,328 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
1.25ct Cushion
$2,433 AUD