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Cushion|Natural|GIA

0.78ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2235707673

Certificate GIA 2235707673

Diamond specifications and retailer prices

From $978 SGD
As of November 6, 2026
Save $399 SGD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,377 SGD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.78ct natural cushion diamond

This 0.78ct natural cushion sits in the just-under-one-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 2235707673. Listed at 3 retailers as of November 6, 2026, with prices from $978 to $1,377, a $399 spread on the same certified stone. 77 Diamonds lists it at $1,377. 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

0.78
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2235707673
Dimensions5.52 × 5.29 × 3.58 mm
L/W Ratio1.04
Top View
5.52 mm5.29 mm0.78 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235707673
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,377 SGD|Low: $978 SGD|High: $1,393 SGD|Avg: $1,142 SGD|+1.3%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$978 SGD
Retailer 2$1,061 SGD
77 Diamonds$1,377 SGD

37 data points across 3 retailers

3 retailers$978 SGD to $1,377 SGD

A
Cheapest Retailer
-
$978 SGD
A
Retailer 2
-
$1,061 SGD
View
Most Expensive
B+
77 Diamonds
CUSMB8VS8JNMH · Nov 6
$1,377 SGD
£846 GBP
View
2 more retailers have this diamond
Prices start from $978 SGDSave up to $399 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
0.78ct Cushion
$978 SGD