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Cushion|Natural|GIA

1.25ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6462554378

Certificate GIA 6462554378

Diamond specifications and retailer prices

From $4,008 SGD
As of November 6, 2026
Save $1,679 SGD (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,686 SGD at Washington Diamond · As of November 6, 2026
View at Washington Diamond

About this 1.25ct natural cushion diamond

This 1.25ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded J 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 6462554378. Listed at 4 retailers as of November 6, 2026, with prices from $4,008 to $5,686, a $1,679 spread on the same certified stone. Washington Diamond lists it at $5,686. 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

1.25
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle38.5°
OriginNatural
Grading LabGIA
CertificateGIA 6462554378
Dimensions6.75 × 5.82 × 4.02 mm
L/W Ratio1.16
Top View
6.75 mm5.82 mm1.25 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6462554378
Side View
Table 65.0%Crown 35°Girdle: 3.3Pavilion 38.5°CuletDepth 69.0%

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 6
Current: $5,616 SGD|Low: $4,457 SGD|High: $5,693 SGD|Avg: $5,065 SGD|-0.2%
Retailer 1
Retailer 2
Washington Diamond
November 6, 2026
Retailer 2$4,457 SGD
Retailer 1$5,616 SGD
Washington Diamond$5,686 SGD

35 data points across 3 retailers

4 retailers$4,008 SGD to $5,686 SGD

B
Cheapest Retailer
-
$4,008 SGD
B
Retailer 2
-
$4,457 SGD
View
B
Retailer 3
-
$5,616 SGD
View
Most Expensive
Washington Diamond
1771512869 · Nov 6
$5,686 SGD
$4,437 USD
View
3 more retailers have this diamond
Prices start from $4,008 SGDSave up to $1,679 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
1.25ct Cushion
$4,008 SGD