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Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6545872782

Certificate GIA 6545872782

Diamond specifications and retailer prices

From $3,890 AUD
HK$21,300 HKD
As of November 2, 2026
Save $5,270 AUD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,160 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545872782. Listed at 19 retailers as of October 28, 2026, with prices from $3,890 to $9,160, a $5,270 spread on the same certified stone. Queensmith lists it at $9,160. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545872782
Dimensions7.17 × 5.50 × 3.74 mm
L/W Ratio1.30
Top View
7.17 mm5.50 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6545872782
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.9%

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: Nov 2
Current: $9,160 AUD|Low: $3,890 AUD|High: $9,197 AUD|Avg: $5,564 AUD|+2.2%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 8$3,890 AUD
Retailer 2$4,056 AUD
Retailer 4$4,582 AUD
Retailer 3$4,649 AUD
Retailer 12$4,702 AUD
Retailer 9$4,969 AUD
Retailer 6$5,138 AUD
Retailer 11$5,301 AUD
Retailer 13$5,324 AUD
Retailer 7$5,446 AUD
Retailer 5$5,506 AUD
Retailer 10$5,962 AUD
Retailer 15$6,317 AUD
Retailer 14$8,595 AUD
Queensmith$9,160 AUD

23 data points across 15 retailers

19 retailers$3,890 AUD to $9,160 AUD

B+
Cheapest Retailer
-
$3,890 AUD
HK$21,300 HKD
B+
Retailer 2
-
$4,056 AUD
₹270,743 INR
View
B+
Retailer 3
-
$4,582 AUD
SGD 4,339 SGD
View
B+
Retailer 4
-
$4,649 AUD
$3,258 USD
View
B+
Retailer 5
-
$4,702 AUD
$3,295 USD
View
Final sale: no returns
B
Retailer 6
-
$4,849 AUD
$3,398 USD
View
B
Retailer 7
-
$4,851 AUD
$3,400 USD
View
B+
Retailer 8
-
$4,969 AUD
£2,742 GBP
View
Retailer 9
-
$5,138 AUD
$3,601 USD
View
Price last confirmed 18 days ago
B
Retailer 10
-
$5,155 AUD
View
B
Retailer 11
-
$5,301 AUD
$3,715 USD
View
B
Retailer 12
-
$5,324 AUD
£2,938 GBP
View
B
Retailer 13
-
$5,446 AUD
SGD 5,158 SGD
View
B
Retailer 14
-
$5,506 AUD
$3,859 USD
View
Retailer 15
-
$5,553 AUD
View
Price last confirmed 25 days ago
B
Retailer 16
-
$5,962 AUD
€3,979 EUR
View
B
Retailer 17
-
$6,317 AUD
ZAR 71,517 ZAR
View
B
Retailer 18
-
$8,595 AUD
£4,743 GBP
View
Most Expensive
B
Queensmith
6545872782 · Oct 28
$9,160 AUD
£5,055 GBP
View
18 more retailers have this diamond
Prices start from $3,890 AUDSave up to $5,270 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
$3,890 AUD