Cushion|Natural|GIA

0.78ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 3215039518

Shape and cutting style on the report: Cushion modified brilliant

Certificate GIA 3215039518

Diamond specifications and retailer prices

From $3,667 USD
£2,887 GBP
As of October 29, 2026
Save $2,251 USD (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,918 USD at MOH London · As of October 29, 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 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 3215039518. Listed at 5 retailers as of October 29, 2026, with prices from $3,667 to $5,918, a $2,251 spread on the same certified stone. MOH London lists it at $5,918. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3215039518
Dimensions5.28 × 5.19 × 3.55 mm
L/W Ratio1.02
Top View
5.28 mm5.19 mm0.78 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3215039518
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,918 USD|Low: $2,922 USD|High: $5,958 USD|Avg: $4,027 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6$2,922 USD
Retailer 2$3,667 USD
Retailer 4$3,774 USD
Retailer 5$3,988 USD
Retailer 3$4,115 USD
MOH London$5,918 USD

43 data points across 6 retailers

5 retailers$3,667 USD to $5,918 USD

B
Cheapest Retailer
-
$3,667 USD
£2,887 GBP
B
Retailer 2
-
$3,774 USD
A$5,806 AUD
View
Price last confirmed 25 days ago
B
Retailer 3
-
$3,988 USD
View
B
Retailer 4
-
$4,115 USD
€3,919 EUR
View
Most Expensive
B
MOH London
A3C068E25 · Oct 29
$5,918 USD
£4,660 GBP
View
4 more retailers have this diamond
Prices start from $3,667 USDSave up to $2,251 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.

B
0.78ct Cushion
$3,667 USD