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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1559310061

Certificate GIA 1559310061

Diamond specifications and retailer prices

From $2,215 SGD
As of November 6, 2026
Save $2,772 SGD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,987 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 1559310061. Listed at 21 retailers as of November 4, 2026, with prices from $2,215 to $4,987, a $2,772 spread on the same certified stone. MOH London lists it at $4,987. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559310061
Dimensions6.15 × 6.03 × 4.00 mm
L/W Ratio1.02
Girdle conditionFaceted
Top View
6.15 mm6.03 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559310061
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.4%

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: $4,987 SGD|Low: $2,181 SGD|High: $5,194 SGD|Avg: $3,014 SGD|-4.0%
MOH London
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 7$2,215 SGD
Retailer 10$2,227 SGD
Retailer 9$2,386 SGD
Retailer 17$2,424 SGD
Retailer 2$2,582 SGD
Retailer 16$2,600 SGD
Retailer 3$2,627 SGD
Retailer 11$2,638 SGD
Retailer 4$2,647 SGD
Retailer 5$2,730 SGD
Retailer 12$2,768 SGD
Retailer 8$2,799 SGD
Retailer 6$2,932 SGD
Retailer 19$2,940 SGD
Retailer 14$3,101 SGD
Retailer 15$3,483 SGD
Retailer 13$3,545 SGD
Retailer 18$4,492 SGD
MOH London$4,987 SGD

18 data points across 19 retailers

21 retailers$2,215 SGD to $4,987 SGD

A
Cheapest Retailer
-
$2,215 SGD
A
Retailer 2
-
$2,227 SGD
View
A
Retailer 3
-
$2,386 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,424 SGD
View
A
Retailer 5
-
$2,582 SGD
View
A
Retailer 6
-
$2,600 SGD
View
A
Retailer 7
-
$2,627 SGD
View
A
Retailer 8
-
$2,638 SGD
View
A
Retailer 9
-
$2,647 SGD
View
A
Retailer 10
-
$2,730 SGD
View
A
Retailer 11
-
$2,768 SGD
View
A
Retailer 12
-
$2,799 SGD
View
A
Retailer 13
-
$2,932 SGD
View
A
Retailer 14
-
$2,940 SGD
View
B+
Retailer 15
-
$3,101 SGD
View
B+
Retailer 16
-
$3,139 SGD
View
B+
Retailer 17
-
$3,483 SGD
View
B+
Retailer 18
-
$3,545 SGD
View
Retailer 19
-
$3,768 SGD
View
Price last confirmed 31 days ago
B
Retailer 20
-
$4,492 SGD
View
Most Expensive
B
MOH London
E22E25E2B · Nov 4
$4,987 SGD
£3,064 GBP
View
20 more retailers have this diamond
Prices start from $2,215 SGDSave up to $2,772 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
$2,215 SGD