Cushion|Natural|GIA

1.21ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5232922722

Certificate GIA 5232922722

Diamond specifications and retailer prices

From $1,465 USD
As of November 5, 2026
Save $1,193 USD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,658 USD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232922722. Listed at 6 retailers as of November 4, 2026, with prices from $1,465 to $2,658, a $1,193 spread on the same certified stone. MOH London lists it at $2,658. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5232922722
Dimensions6.57 × 5.26 × 3.73 mm
L/W Ratio1.25
Top View
6.57 mm5.26 mm1.21 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5232922722
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 71.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $2,658 USD|Low: $1,465 USD|High: $2,697 USD|Avg: $1,892 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$1,465 USD
Retailer 6$1,521 USD
Retailer 4$1,680 USD
Retailer 3$1,856 USD
Retailer 2$2,065 USD
MOH London$2,658 USD

44 data points across 6 retailers

6 retailers$1,465 USD to $2,658 USD

A
Cheapest Retailer
-
$1,465 USD
Retailer 2
-
$1,521 USD
View
Price last confirmed 30 days ago
B+
Retailer 3
-
$1,680 USD
View
B+
Retailer 4
-
$1,856 USD
View
B+
Retailer 5
-
$2,065 USD
View
Most Expensive
B
MOH London
0231C0368 · Nov 4
$2,658 USD
£2,093 GBP
View
5 more retailers have this diamond
Prices start from $1,465 USDSave up to $1,193 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
1.21ct Cushion
$1,465 USD