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Cushion|Natural|GIA

1.21ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 3385845732

Certificate GIA 3385845732

Diamond specifications and retailer prices

From $5,830 SGD
As of November 6, 2026
Save $2,437 SGD (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,267 SGD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3385845732. Listed at 4 retailers as of November 6, 2026, with prices from $5,830 to $8,267, a $2,437 spread on the same certified stone. 77 Diamonds lists it at $8,267. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3385845732
Dimensions6.41 × 5.76 × 3.97 mm
L/W Ratio1.11
Top View
6.41 mm5.76 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3385845732
Side View
Table 58.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 69.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $8,267 SGD|Low: $5,756 SGD|High: $8,378 SGD|Avg: $6,608 SGD|+0.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$5,830 SGD
Retailer 3$6,071 SGD
Retailer 4$6,217 SGD
77 Diamonds$8,267 SGD

32 data points across 4 retailers

4 retailers$5,830 SGD to $8,267 SGD

B
Cheapest Retailer
-
$5,830 SGD
B
Retailer 2
-
$6,071 SGD
View
B
Retailer 3
-
$6,217 SGD
View
Most Expensive
B
77 Diamonds
CUSMBJWVEWTTR · Nov 6
$8,267 SGD
£5,079 GBP
View
3 more retailers have this diamond
Prices start from $5,830 SGDSave up to $2,437 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
$5,830 SGD