Cushion|Natural|GIA

0.78ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5553059681

Certificate GIA 5553059681

Diamond specifications and retailer prices

From $692 USD
As of October 28, 2026
Save $405 USD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,097 USD at GemTrove · As of October 29, 2026
View at GemTrove

About this 0.78ct natural cushion diamond

This 0.78ct natural cushion sits in the just-under-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 5553059681. Listed at 9 retailers as of October 28, 2026, with prices from $692 to $1,097, a $405 spread on the same certified stone. GemTrove lists it at $1,097. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553059681
Dimensions5.17 × 5.05 × 3.43 mm
L/W Ratio1.02
Top View
5.17 mm5.05 mm0.78 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553059681
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,097 USD|Low: $612 USD|High: $1,097 USD|Avg: $876 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10$656 USD
Retailer 8$692 USD
Retailer 5$833 USD
Retailer 7$856 USD
Retailer 6$865 USD
Retailer 2$900 USD
Retailer 3$930 USD
Retailer 9$930 USD
Retailer 4$960 USD
GemTrove$1,097 USD

32 data points across 10 retailers

9 retailers$692 USD to $1,097 USD

A
Cheapest Retailer
-
$692 USD
Final sale: no returns
A
Retailer 2
-
$833 USD
View
A
Retailer 3
-
$856 USD
SGD 1,157 SGD
View
A
Retailer 4
-
$865 USD
View
A
Retailer 5
-
$900 USD
£708 GBP
View
A
Retailer 6
-
$930 USD
View
A
Retailer 7
-
$930 USD
View
A
Retailer 8
-
$960 USD
View
Most Expensive
A
GemTrove
GT-N-00957436-98 · Oct 29
$1,097 USD
A$1,688 AUD
View
8 more retailers have this diamond
Prices start from $692 USDSave up to $405 USD

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
$692 USD