Cushion|Natural|GIA

1.23ct I VS1 Cushion Natural Diamond

EX • I/VS1 • GIA 1455136014

Certificate GIA 1455136014

Diamond specifications and retailer prices

From $5,801 AUD
$4,075 USD
As of October 28, 2026
Save $5,645 AUD (49%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,446 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct natural cushion diamond

This 1.23ct natural cushion sits in the classic one-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 1455136014. Listed at 6 retailers as of October 28, 2026, with prices from $5,801 to $11,446, a $5,645 spread on the same certified stone. MOH London lists it at $11,446. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1455136014
Dimensions6.65 × 5.75 × 3.94 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Pinpoint, Natural
Top View
6.65 mm5.75 mm1.23 ctI / VS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1455136014
Side View
Table 68.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $11,446 AUD|Low: $5,801 AUD|High: $11,584 AUD|Avg: $7,944 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$5,801 AUD
Retailer 2$7,146 AUD
Retailer 5$7,244 AUD
Retailer 6$7,932 AUD
Retailer 3$8,133 AUD
MOH London$11,446 AUD

31 data points across 6 retailers

6 retailers$5,801 AUD to $11,446 AUD

B+
Cheapest Retailer
-
$5,801 AUD
$4,075 USD
B
Retailer 2
-
$7,146 AUD
£3,953 GBP
View
Retailer 3
-
$7,244 AUD
View
Price last confirmed 23 days ago
Retailer 4
-
$7,932 AUD
$5,572 USD
View
Price last confirmed 9 days ago
B
Retailer 5
-
$8,133 AUD
€5,441 EUR
View
Most Expensive
B
MOH London
44A42AA5D · Nov 1
$11,446 AUD
£6,331 GBP
View
5 more retailers have this diamond
Prices start from $5,801 AUDSave up to $5,645 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.

B+
1.23ct Cushion
$5,801 AUD