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Cushion|Natural|GIA

1.20ct I VS1 Cushion Natural Diamond

EX • I/VS1 • GIA 6435465425

Certificate GIA 6435465425

Diamond specifications and retailer prices

From $5,651 AUD
As of November 6, 2026
Save $6,221 AUD (52%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,872 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct 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 6435465425. Listed at 22 retailers as of November 2, 2026, with prices from $5,651 to $11,872, a $6,221 spread on the same certified stone. MOH London lists it at $11,872. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.39°
Pavilion angle38.15°
OriginNatural
Grading LabGIA
CertificateGIA 6435465425
Dimensions6.99 × 5.72 × 3.95 mm
L/W Ratio1.22
Top View
6.99 mm5.72 mm1.20 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435465425
Side View
Table 63.0%Crown 39.39°Girdle: THN-STKPavilion 38.15°Culet: NoneDepth 69.1%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $11,872 AUD|Low: $5,395 AUD|High: $12,014 AUD|Avg: $7,540 AUD|-1.0%
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 3$5,651 AUD
Retailer 8$5,785 AUD
Retailer 10$5,890 AUD
Retailer 4$6,172 AUD
Retailer 9$6,343 AUD
Retailer 2$7,386 AUD
Retailer 11$7,513 AUD
Retailer 5$8,306 AUD
Retailer 6$8,606 AUD
Retailer 7$9,093 AUD
MOH London$11,872 AUD

46 data points across 11 retailers

22 retailers$5,651 AUD to $11,872 AUD

B+
Cheapest Retailer
-
$5,651 AUD
Retailer 2
-
$5,785 AUD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$5,823 AUD
View
B+
Retailer 4
-
$5,890 AUD
View
B+
Retailer 5
-
$5,958 AUD
View
B+
Retailer 6
-
$6,172 AUD
View
Final sale: no returns
B
Retailer 7
-
$6,343 AUD
View
B
Retailer 8
-
$6,382 AUD
View
B
Retailer 9
-
$6,704 AUD
View
B
Retailer 10
-
$6,951 AUD
View
B
Retailer 11
-
$7,035 AUD
View
B
Retailer 12
-
$7,386 AUD
View
B
Retailer 13
-
$7,481 AUD
View
B
Retailer 14
-
$7,481 AUD
View
Retailer 15
-
$7,513 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$7,715 AUD
View
B
Retailer 17
-
$7,728 AUD
View
Retailer 18
-
$8,229 AUD
View
Price last confirmed 15 days ago
B
Retailer 19
-
$8,306 AUD
View
B
Retailer 20
-
$8,606 AUD
View
B
Retailer 21
-
$9,093 AUD
View
Most Expensive
B
MOH London
56FFF2A67 · Nov 2
$11,872 AUD
£6,423 GBP
View
21 more retailers have this diamond
Prices start from $5,651 AUDSave up to $6,221 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+
1.20ct Cushion
$5,651 AUD