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Cushion|Natural|GIA

0.78ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1568091837

Certificate GIA 1568091837

Diamond specifications and retailer prices

From $1,270 NZD
$716 USD
As of October 30, 2026
Save $630 NZD (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,901 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 1568091837. Listed at 9 retailers as of October 29, 2026, with prices from $1,270 to $1,901, a $630 spread on the same certified stone. GemTrove lists it at $1,901. 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
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1568091837
Dimensions5.09 × 5.07 × 3.45 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal
Top View
5.09 mm5.07 mm0.78 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1568091837
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.0%

Caratlytics Score

How it works →
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 30
Current: $1,901 NZD|Low: $1,112 NZD|High: $1,901 NZD|Avg: $1,621 NZD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7$1,270 NZD
Retailer 3$1,529 NZD
Retailer 6$1,572 NZD
Retailer 5$1,584 NZD
Retailer 2$1,586 NZD
Retailer 4$1,703 NZD
Retailer 8$1,703 NZD
Retailer 9$1,774 NZD
GemTrove$1,901 NZD

33 data points across 9 retailers

9 retailers$1,270 NZD to $1,901 NZD

A
Cheapest Retailer
-
$1,270 NZD
$716 USD
Final sale: no returns
A
Retailer 2
-
$1,529 NZD
$862 USD
View
A
Retailer 3
-
$1,572 NZD
SGD 1,197 SGD
View
A
Retailer 4
-
$1,584 NZD
$893 USD
View
A
Retailer 5
-
$1,586 NZD
£704 GBP
View
A
Retailer 6
-
$1,703 NZD
$960 USD
View
A
Retailer 7
-
$1,703 NZD
$960 USD
View
A
Retailer 8
-
$1,774 NZD
$1,000 USD
View
Most Expensive
A
GemTrove
GT-N-01244915-98 · Oct 29
$1,901 NZD
A$1,648 AUD
View
8 more retailers have this diamond
Prices start from $1,270 NZDSave up to $630 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
$1,270 NZD