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Cushion|Natural|GIA

1.20ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 3545728074

Certificate GIA 3545728074

Diamond specifications and retailer prices

From $3,222 AUD
As of November 6, 2026
Save $3,857 AUD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,558 AUD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-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 3545728074. Listed at 15 retailers as of November 4, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3545728074
Dimensions7.06 × 5.44 × 3.77 mm
L/W Ratio1.30
Top View
7.06 mm5.44 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3545728074
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.3%

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: $8,558 AUD|Low: $3,222 AUD|High: $8,586 AUD|Avg: $5,042 AUD|+2.9%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$3,222 AUD
Retailer 2$3,355 AUD
Retailer 9$3,835 AUD
Retailer 4$3,918 AUD
Retailer 5$4,173 AUD
Retailer 3$4,451 AUD
Retailer 8$4,467 AUD
Retailer 7$4,488 AUD
Retailer 11$4,592 AUD
Retailer 6$4,941 AUD
Retailer 10$7,079 AUD
Queensmith$8,558 AUD

25 data points across 12 retailers

15 retailers$3,222 AUD to $7,079 AUD

A
Cheapest Retailer
-
$3,222 AUD
A
Retailer 2
-
$3,355 AUD
View
B+
Retailer 3
-
$3,835 AUD
View
B+
Retailer 4
-
$3,918 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,072 AUD
View
B+
Retailer 6
-
$4,173 AUD
View
Retailer 7
-
$4,283 AUD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$4,359 AUD
View
B
Retailer 9
-
$4,451 AUD
View
B+
Retailer 10
-
$4,467 AUD
View
B
Retailer 11
-
$4,488 AUD
View
B
Retailer 12
-
$4,592 AUD
View
B+
Retailer 13
-
$4,941 AUD
View
B
Retailer 14
-
$7,079 AUD
View
Most Expensive
Queensmith
3545728074 · Oct 28
$8,558 AUD
£4,630 GBP
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from $3,222 AUDSave up to $3,857 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
1.20ct Cushion
$3,222 AUD