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Cushion|Natural|GIA

0.78ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5553059681

Certificate GIA 5553059681

Diamond specifications and retailer prices

From $1,232 NZD
$692 USD
As of October 28, 2026
Save $721 NZD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,954 NZD 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 $1,232 to $1,954, a $721 spread on the same certified stone. GemTrove lists it at $1,954. 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
Colour
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,954 NZD|Low: $1,090 NZD|High: $1,954 NZD|Avg: $1,559 NZD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10$1,169 NZD
Retailer 8$1,232 NZD
Retailer 5$1,483 NZD
Retailer 7$1,524 NZD
Retailer 6$1,540 NZD
Retailer 2$1,602 NZD
Retailer 3$1,656 NZD
Retailer 9$1,656 NZD
Retailer 4$1,709 NZD
GemTrove$1,954 NZD

32 data points across 10 retailers

9 retailers$1,232 NZD to $1,954 NZD

A
Cheapest Retailer
-
$1,232 NZD
$692 USD
Final sale: no returns
A
Retailer 2
-
$1,483 NZD
$833 USD
View
A
Retailer 3
-
$1,524 NZD
SGD 1,157 SGD
View
A
Retailer 4
-
$1,540 NZD
$865 USD
View
A
Retailer 5
-
$1,602 NZD
£708 GBP
View
A
Retailer 6
-
$1,656 NZD
$930 USD
View
A
Retailer 7
-
$1,656 NZD
$930 USD
View
A
Retailer 8
-
$1,709 NZD
$960 USD
View
Most Expensive
A
GemTrove
GT-N-00957436-98 · Oct 29
$1,954 NZD
A$1,688 AUD
View
8 more retailers have this diamond
Prices start from $1,232 NZDSave up to $721 NZD

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
$1,232 NZD