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Cushion|Natural|GIA

1.21ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 16776694

Certificate GIA 16776694

Diamond specifications and retailer prices

From $6,009 SGD
As of November 4, 2026
Save $5,168 SGD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,177 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 G 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 16776694. Listed at 12 retailers as of November 4, 2026, with prices from $6,009 to $11,177, a $5,168 spread on the same certified stone. MOH London lists it at $11,177. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 16776694
Dimensions6.93 × 5.94 × 3.65 mm
L/W Ratio1.17
Culet sizeNone
Top View
6.93 mm5.94 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 16776694
Side View
Table 63.0%CrownGirdle: XTN-VTKPavilionCulet: NoneDepth 61.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $11,177 SGD|Low: $5,830 SGD|High: $11,341 SGD|Avg: $8,008 SGD|-0.3%
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 8$6,009 SGD
Retailer 7$6,361 SGD
Retailer 10$6,459 SGD
Retailer 5$6,891 SGD
Retailer 2$7,347 SGD
Retailer 9$7,618 SGD
Retailer 6$7,872 SGD
Retailer 3$7,948 SGD
Retailer 11$8,389 SGD
Retailer 4$9,280 SGD
MOH London$11,177 SGD

37 data points across 11 retailers

12 retailers$6,009 SGD to $11,177 SGD

B
Cheapest Retailer
-
$6,009 SGD
B
Retailer 2
-
$6,361 SGD
View
Final sale: no returns
B
Retailer 3
-
$6,459 SGD
View
B
Retailer 4
-
$6,463 SGD
View
Retailer 5
-
$6,891 SGD
View
Price last confirmed 13 days ago
B
Retailer 6
-
$7,347 SGD
View
B
Retailer 7
-
$7,513 SGD
View
Retailer 8
-
$7,618 SGD
View
Price last confirmed 29 days ago
Retailer 9
-
$7,872 SGD
View
Price last confirmed 10 days ago
Retailer 10
-
$8,389 SGD
View
Price last confirmed 15 days ago
B
Retailer 11
-
$9,280 SGD
View
Most Expensive
B
MOH London
F577A9898 · Nov 4
$11,177 SGD
£6,867 GBP
View
11 more retailers have this diamond
Prices start from $6,009 SGDSave up to $5,168 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.

B
1.21ct Cushion
$6,009 SGD