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Cushion|Natural|GIA

1.20ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1558540246

Certificate GIA 1558540246

Diamond specifications and retailer prices

From $3,754 AUD
HK$20,600 HKD
As of November 1, 2026
Save $5,259 AUD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,013 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558540246. Listed at 14 retailers as of October 28, 2026, with prices from $3,754 to $9,013, a $5,259 spread on the same certified stone. Queensmith lists it at $9,013. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558540246
Dimensions7.15 × 5.48 × 3.74 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle, Natural
Top View
7.15 mm5.48 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558540246
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.1%

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 1
Current: $9,013 AUD|Low: $3,717 AUD|High: $9,212 AUD|Avg: $5,570 AUD|+0.4%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8$3,754 AUD
Retailer 2$3,930 AUD
Retailer 4$4,565 AUD
Retailer 11$4,590 AUD
Retailer 5$4,917 AUD
Retailer 10$5,179 AUD
Retailer 7$5,197 AUD
Retailer 3$5,216 AUD
Retailer 12$5,336 AUD
Retailer 9$5,824 AUD
Retailer 6$8,317 AUD
Queensmith$9,013 AUD

23 data points across 12 retailers

14 retailers$3,754 AUD to $9,013 AUD

A
Cheapest Retailer
-
$3,754 AUD
HK$20,600 HKD
A
Retailer 2
-
$3,930 AUD
₹262,948 INR
View
B+
Retailer 3
-
$4,565 AUD
SGD 4,333 SGD
View
B+
Retailer 4
-
$4,590 AUD
$3,224 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,830 AUD
$3,393 USD
View
B+
Retailer 6
-
$4,917 AUD
£2,720 GBP
View
B+
Retailer 7
-
$5,179 AUD
$3,638 USD
View
B+
Retailer 8
-
$5,197 AUD
£2,875 GBP
View
B+
Retailer 9
-
$5,216 AUD
SGD 4,951 SGD
View
B+
Retailer 10
-
$5,282 AUD
View
B+
Retailer 11
-
$5,336 AUD
$3,748 USD
View
B+
Retailer 12
-
$5,824 AUD
€3,896 EUR
View
B
Retailer 13
-
$8,317 AUD
£4,600 GBP
View
Most Expensive
B
Queensmith
1558540246 · Oct 28
$9,013 AUD
£4,985 GBP
View
13 more retailers have this diamond
Prices start from $3,754 AUDSave up to $5,259 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
$3,754 AUD