CaratHunter
Plans
Cushion|Natural|GIA

1.21ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6542928365

Certificate GIA 6542928365

Diamond specifications and retailer prices

From $1,984 SGD
As of November 6, 2026
Save $2,577 SGD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,561 SGD 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 H 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 6542928365. Listed at 20 retailers as of November 4, 2026, with prices from $1,984 to $4,561, a $2,577 spread on the same certified stone. MOH London lists it at $4,561. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542928365
Dimensions5.93 × 5.93 × 4.05 mm
L/W Ratio1.00
Top View
5.93 mm5.93 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542928365
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

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: $4,561 SGD|Low: $1,969 SGD|High: $4,689 SGD|Avg: $2,738 SGD|-2.7%
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 17$1,984 SGD
Retailer 11$2,154 SGD
Retailer 8$2,163 SGD
Retailer 10$2,183 SGD
Retailer 9$2,290 SGD
Retailer 2$2,341 SGD
Retailer 6$2,365 SGD
Retailer 3$2,435 SGD
Retailer 5$2,447 SGD
Retailer 12$2,532 SGD
Retailer 4$2,589 SGD
Retailer 16$2,589 SGD
Retailer 18$2,589 SGD
Retailer 19$2,679 SGD
Retailer 15$2,835 SGD
Retailer 7$3,185 SGD
Retailer 14$3,186 SGD
Retailer 13$3,545 SGD
MOH London$4,561 SGD

28 data points across 19 retailers

20 retailers$1,984 SGD to $4,561 SGD

A
Cheapest Retailer
-
$1,984 SGD
A
Retailer 2
-
$2,154 SGD
View
A
Retailer 3
-
$2,163 SGD
View
A
Retailer 4
-
$2,183 SGD
View
Final sale: no returns
A
Retailer 5
-
$2,290 SGD
View
A
Retailer 6
-
$2,341 SGD
View
Retailer 7
-
$2,365 SGD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$2,435 SGD
View
A
Retailer 9
-
$2,447 SGD
View
A
Retailer 10
-
$2,532 SGD
View
A
Retailer 11
-
$2,589 SGD
View
A
Retailer 12
-
$2,589 SGD
View
A
Retailer 13
-
$2,589 SGD
View
A
Retailer 14
-
$2,679 SGD
View
A
Retailer 15
-
$2,835 SGD
View
B+
Retailer 16
-
$3,185 SGD
View
B+
Retailer 17
-
$3,186 SGD
View
Retailer 18
-
$3,374 SGD
View
Price last confirmed 34 days ago
B+
Retailer 19
-
$3,545 SGD
View
Most Expensive
B
MOH London
185DF668A · Nov 4
$4,561 SGD
£2,802 GBP
View
19 more retailers have this diamond
Prices start from $1,984 SGDSave up to $2,577 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
$1,984 SGD