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Cushion|Natural|GIA

0.78ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2215334678

Certificate GIA 2215334678

Diamond specifications and retailer prices

From $1,637 SGD
As of November 4, 2026
Save $1,777 SGD (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,413 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 0.78ct natural cushion diamond

This 0.78ct natural cushion sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2215334678. Listed at 9 retailers as of November 2, 2026, with prices from $1,637 to $3,413, a $1,777 spread on the same certified stone. MOH London lists it at $3,413. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2215334678
Dimensions9.67 × 4.66 × 2.94 mm
L/W Ratio2.08
Culet sizeNone
Top View
9.67 mm4.66 mm0.78 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 2215334678
Side View
Table 53.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $3,413 SGD|Low: $1,897 SGD|High: $3,455 SGD|Avg: $2,468 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$1,897 SGD
Retailer 6$1,957 SGD
Retailer 3$2,152 SGD
Retailer 2$2,513 SGD
Retailer 4$2,909 SGD
MOH London$3,413 SGD

43 data points across 6 retailers

9 retailers$1,637 SGD to $3,413 SGD

B
Cheapest Retailer
-
$1,637 SGD
B
Retailer 2
-
$1,676 SGD
View
B
Retailer 3
-
$1,897 SGD
View
B
Retailer 4
-
$1,957 SGD
View
B
Retailer 5
-
$2,152 SGD
View
B
Retailer 6
-
$2,213 SGD
View
B
Retailer 7
-
$2,513 SGD
View
B
Retailer 8
-
$2,909 SGD
View
Most Expensive
B
MOH London
CECA453E8 · Nov 2
$3,413 SGD
£2,097 GBP
View
8 more retailers have this diamond
Prices start from $1,637 SGDSave up to $1,777 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
0.78ct Cushion
$1,637 SGD