Cushion|Natural|GIA

0.78ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5553059681

Certificate GIA 5553059681

Diamond specifications and retailer prices

From €619 EUR
$692 USD
As of October 31, 2026
Save €363 EUR (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €982 EUR at GemTrove · As of October 31, 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 31, 2026, with prices from €619 to €982, a €363 spread on the same certified stone. GemTrove lists it at €982. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €982 EUR|Low: €548 EUR|High: €982 EUR|Avg: €784 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10€587 EUR
Retailer 8€619 EUR
Retailer 5€746 EUR
Retailer 7€766 EUR
Retailer 6€774 EUR
Retailer 2€808 EUR
Retailer 3€832 EUR
Retailer 9€832 EUR
Retailer 4€859 EUR
GemTrove€982 EUR

34 data points across 10 retailers

9 retailers€619 EUR to €982 EUR

A
Cheapest Retailer
-
€619 EUR
$692 USD
Final sale: no returns
A
Retailer 2
-
€746 EUR
$833 USD
View
A
Retailer 3
-
€766 EUR
SGD 1,157 SGD
View
A
Retailer 4
-
€774 EUR
$865 USD
View
A
Retailer 5
-
€808 EUR
£711 GBP
View
A
Retailer 6
-
€832 EUR
$930 USD
View
A
Retailer 7
-
€832 EUR
$930 USD
View
A
Retailer 8
-
€859 EUR
$960 USD
View
Most Expensive
A
GemTrove
GT-N-00957436-98 · Oct 31
€982 EUR
A$1,688 AUD
View
8 more retailers have this diamond
Prices start from €619 EURSave up to €363 EUR

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
€619 EUR