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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 $2,637 USD
HK$20,600 HKD
As of November 1, 2026
Save $3,694 USD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,331 USD 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 $2,637 to $6,331, a $3,694 spread on the same certified stone. Queensmith lists it at $6,331. 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
Color
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: $6,331 USD|Low: $2,611 USD|High: $6,471 USD|Avg: $3,886 USD|+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 3, 2026
Retailer 9$2,637 USD
Retailer 5$2,760 USD
Retailer 4$3,206 USD
Retailer 11$3,224 USD
Retailer 6$3,454 USD
Retailer 10$3,638 USD
Retailer 2$3,651 USD
Retailer 3$3,664 USD
Retailer 12$3,748 USD
Retailer 7$4,090 USD
Retailer 8$5,842 USD
Queensmith$6,331 USD

24 data points across 12 retailers

14 retailers$2,637 USD to $6,331 USD

A
Cheapest Retailer
-
$2,637 USD
HK$20,600 HKD
A
Retailer 2
-
$2,760 USD
₹262,863 INR
View
B+
Retailer 3
-
$3,206 USD
SGD 4,333 SGD
View
B+
Retailer 4
-
$3,224 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,393 USD
View
B+
Retailer 6
-
$3,454 USD
£2,719 GBP
View
B+
Retailer 7
-
$3,638 USD
View
B+
Retailer 8
-
$3,651 USD
£2,875 GBP
View
Retailer 9
-
$3,664 USD
SGD 4,951 SGD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$3,710 USD
A$5,708 AUD
View
B+
Retailer 11
-
$3,748 USD
View
B+
Retailer 12
-
$4,090 USD
€3,895 EUR
View
B
Retailer 13
-
$5,842 USD
£4,600 GBP
View
Most Expensive
B
Queensmith
1558540246 · Oct 28
$6,331 USD
£4,985 GBP
View
13 more retailers have this diamond
Prices start from $2,637 USDSave up to $3,694 USD

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
$2,637 USD