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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6422353225

Certificate GIA 6422353225

Diamond specifications and retailer prices

From $1,410 SGD
As of November 6, 2026
Save $1,156 SGD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,327 SGD at MOH London · As of October 26, 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 6422353225. Listed at 14 retailers as of November 5, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6422353225
Dimensions6.01 × 5.97 × 4.16 mm
L/W Ratio1.01
Top View
6.01 mm5.97 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6422353225
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,327 SGD|Low: $1,394 SGD|High: $3,358 SGD|Avg: $2,154 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$1,410 SGD
Retailer 7$1,428 SGD
Retailer 6$1,860 SGD
Retailer 3$2,070 SGD
Retailer 10$2,161 SGD
Retailer 11$2,179 SGD
Retailer 9$2,308 SGD
Retailer 2$2,384 SGD
Retailer 4$2,566 SGD
Retailer 8$2,626 SGD
MOH London$3,327 SGD

26 data points across 11 retailers

14 retailers$1,410 SGD to $2,566 SGD

A
Cheapest Retailer
-
$1,410 SGD
Retailer 2
-
$1,428 SGD
View
Price last confirmed 11 days ago
Retailer 3
-
$1,860 SGD
View
Price last confirmed 10 days ago
Retailer 4
-
$1,958 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$2,056 SGD
View
Retailer 6
-
$2,070 SGD
View
Price last confirmed 13 days ago
Retailer 7
-
$2,177 SGD
View
Price last confirmed 11 days ago
Retailer 8
-
$2,179 SGD
View
Price last confirmed 10 days ago
Retailer 9
-
$2,308 SGD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
$2,384 SGD
View
Retailer 11
-
$2,499 SGD
View
Price last confirmed 33 days ago
A
Retailer 12
-
$2,566 SGD
View
Retailer 13
-
$2,626 SGD
View
Price last confirmed 11 days ago
Most Expensive
MOH London
09338FB64 · Oct 26
$3,327 SGD
£2,044 GBP
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from $1,410 SGDSave up to $1,156 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
$1,410 SGD