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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1553750815

Certificate GIA 1553750815

Diamond specifications and retailer prices

From $2,411 SGD
As of November 6, 2026
Save $3,201 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,612 SGD at MOH London · As of November 4, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553750815. Listed at 17 retailers as of November 4, 2026, with prices from $2,411 to $5,612, a $3,201 spread on the same certified stone. MOH London lists it at $5,612. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553750815
Dimensions7.02 × 5.24 × 3.60 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.02 mm5.24 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553750815
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.7%

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: $5,612 SGD|Low: $2,411 SGD|High: $5,687 SGD|Avg: $3,518 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8$2,411 SGD
Retailer 3$2,521 SGD
Retailer 7$2,814 SGD
Retailer 4$3,116 SGD
Retailer 9$3,212 SGD
Retailer 2$3,398 SGD
Retailer 6$3,919 SGD
Retailer 5$3,987 SGD
MOH London$5,612 SGD

27 data points across 9 retailers

17 retailers$2,411 SGD to $5,612 SGD

A
Cheapest Retailer
-
$2,411 SGD
A
Retailer 2
-
$2,521 SGD
View
A
Retailer 3
-
$2,814 SGD
View
B+
Retailer 4
-
$2,963 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,989 SGD
View
B+
Retailer 6
-
$2,993 SGD
View
B+
Retailer 7
-
$3,116 SGD
View
Retailer 8
-
$3,212 SGD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$3,357 SGD
View
B+
Retailer 10
-
$3,391 SGD
View
B+
Retailer 11
-
$3,398 SGD
View
B+
Retailer 12
-
$3,422 SGD
View
B+
Retailer 13
-
$3,486 SGD
View
Retailer 14
-
$3,597 SGD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
$3,919 SGD
View
B
Retailer 16
-
$3,987 SGD
View
Most Expensive
B
MOH London
98F9CC2F9 · Nov 4
$5,612 SGD
£3,448 GBP
View
16 more retailers have this diamond
Prices start from $2,411 SGDSave up to $3,201 SGD

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
$2,411 SGD