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Cushion|Natural|GIA

1.20ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1263350342

Certificate GIA 1263350342

Diamond specifications and retailer prices

From $4,931 AUD
$3,456 USD
As of November 2, 2026
Save $5,289 AUD (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,221 AUD at MOH London · As of November 1, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1263350342. Listed at 16 retailers as of November 1, 2026, with prices from $4,931 to $10,221, a $5,289 spread on the same certified stone. MOH London lists it at $10,221. 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

1.20
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1263350342
Dimensions6.58 × 5.68 × 3.69 mm
L/W Ratio1.16
Top View
6.58 mm5.68 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1263350342
Side View
Table 70.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $10,221 AUD|Low: $4,861 AUD|High: $10,344 AUD|Avg: $6,604 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 6$4,931 AUD
Retailer 7$4,936 AUD
Retailer 10$5,509 AUD
Retailer 4$5,813 AUD
Retailer 5$6,177 AUD
Retailer 2$6,565 AUD
Retailer 3$6,842 AUD
Retailer 8$7,257 AUD
Retailer 9$7,637 AUD
MOH London$10,221 AUD

42 data points across 10 retailers

16 retailers$4,931 AUD to $10,221 AUD

B
Cheapest Retailer
-
$4,931 AUD
$3,456 USD
B
Retailer 2
-
$4,936 AUD
$3,459 USD
View
B
Retailer 3
-
$5,057 AUD
$3,544 USD
View
B
Retailer 4
-
$5,115 AUD
$3,585 USD
View
B
Retailer 5
-
$5,509 AUD
$3,861 USD
View
B
Retailer 6
-
$5,529 AUD
CA$5,382 CAD
View
B
Retailer 7
-
$5,813 AUD
$4,074 USD
View
B
Retailer 8
-
$6,177 AUD
$4,329 USD
View
B
Retailer 9
-
$6,328 AUD
$4,435 USD
View
B
Retailer 10
-
$6,549 AUD
$4,590 USD
View
B
Retailer 11
-
$6,549 AUD
$4,590 USD
View
B
Retailer 12
-
$6,565 AUD
£3,623 GBP
View
B
Retailer 13
-
$6,778 AUD
$4,750 USD
View
B
Retailer 14
-
$6,842 AUD
€4,567 EUR
View
Retailer 15
-
$7,257 AUD
$5,086 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
2A975BD87 · Nov 1
$10,221 AUD
£5,640 GBP
View
15 more retailers have this diamond
Prices start from $4,931 AUDSave up to $5,289 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
$4,931 AUD