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Cushion|Natural|GIA

1.21ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 2557315146

Certificate GIA 2557315146

Diamond specifications and retailer prices

From $1,864 SGD
₹138,884 INR
As of November 2, 2026
Save $2,755 SGD (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,619 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557315146. Listed at 15 retailers as of October 29, 2026, with prices from $1,864 to $4,619, a $2,755 spread on the same certified stone. MOH London lists it at $4,619. 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

1.21
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557315146
Dimensions7.38 × 5.50 × 3.60 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cavity, Crystal, Indented Natural, Needle, Natural
Top View
7.38 mm5.50 mm1.21 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557315146
Side View
Table 65.0%CrownGirdle: THN-XTKPavilionCulet: NoneDepth 65.4%

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 2
Current: $4,619 SGD|Low: $1,864 SGD|High: $4,786 SGD|Avg: $2,706 SGD|-3.5%
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
November 2, 2026
Retailer 2$1,864 SGD
Retailer 5$2,062 SGD
Retailer 9$2,126 SGD
Retailer 11$2,385 SGD
Retailer 3$2,419 SGD
Retailer 4$2,429 SGD
Retailer 6$2,592 SGD
Retailer 13$2,622 SGD
Retailer 10$2,667 SGD
Retailer 12$2,799 SGD
Retailer 8$2,876 SGD
Retailer 7$3,043 SGD
MOH London$4,619 SGD

21 data points across 13 retailers

15 retailers$1,864 SGD to $4,619 SGD

A
Cheapest Retailer
-
$1,864 SGD
₹138,884 INR
A
Retailer 2
-
$2,062 SGD
$1,613 USD
View
A
Retailer 3
-
$2,126 SGD
$1,663 USD
View
A
Retailer 4
-
$2,385 SGD
$1,866 USD
View
B+
Retailer 5
-
$2,419 SGD
$1,892 USD
View
Final sale: no returns
A
Retailer 6
-
$2,429 SGD
$1,900 USD
View
A
Retailer 7
-
$2,516 SGD
A$3,028 AUD
View
Retailer 8
-
$2,582 SGD
$2,020 USD
View
Price last confirmed 24 days ago
A
Retailer 9
-
$2,592 SGD
£1,597 GBP
View
A
Retailer 10
-
$2,622 SGD
$2,051 USD
View
A
Retailer 11
-
$2,667 SGD
$2,086 USD
View
B+
Retailer 12
-
$2,799 SGD
$2,189 USD
View
A
Retailer 13
-
$2,876 SGD
£1,772 GBP
View
B+
Retailer 14
-
$3,043 SGD
€2,267 EUR
View
Most Expensive
B
MOH London
89D5D95D6 · Oct 29
$4,619 SGD
£2,845 GBP
View
14 more retailers have this diamond
Prices start from $1,864 SGDSave up to $2,755 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
1.21ct Cushion
$1,864 SGD