Cushion|Natural|GIA

0.78ct I VS1 Cushion Natural Diamond

EX • I/VS1 • GIA 1558351509

Certificate GIA 1558351509

Diamond specifications and retailer prices

From $563 USD
As of October 31, 2026
Save $848 USD (60%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,411 USD at MOH London · As of October 26, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558351509. Listed at 10 retailers as of October 26, 2026, with prices from $563 to $1,411, a $848 spread on the same certified stone. MOH London lists it at $1,411. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
I
Color
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558351509
Dimensions5.42 × 5.60 × 3.59 mm
L/W Ratio1.03
Top View
5.42 mm5.60 mm0.78 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558351509
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 66.3%

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 31
Current: $1,411 USD|Low: $563 USD|High: $1,527 USD|Avg: $1,029 USD|-7.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10$563 USD
Retailer 8$688 USD
Retailer 5$710 USD
Retailer 7$742 USD
Retailer 2$750 USD
Retailer 6$765 USD
Retailer 9$782 USD
Retailer 4$911 USD
Retailer 11$1,155 USD
Retailer 3$1,238 USD
MOH London$1,411 USD

39 data points across 11 retailers

10 retailers$563 USD to $1,411 USD

A
Cheapest Retailer
-
$563 USD
Final sale: no returns
A
Retailer 2
-
$688 USD
View
A
Retailer 3
-
$710 USD
£559 GBP
View
A
Retailer 4
-
$742 USD
View
A
Retailer 5
-
$750 USD
£590 GBP
View
A
Retailer 6
-
$765 USD
View
A
Retailer 7
-
$782 USD
View
A
Retailer 8
-
$911 USD
ZAR 14,714 ZAR
View
Retailer 9
-
$1,238 USD
A$1,905 AUD
View
Price last confirmed 27 days ago
Most Expensive
B+
MOH London
FB135D4AF · Oct 26
$1,411 USD
£1,111 GBP
View
9 more retailers have this diamond
Prices start from $563 USDSave up to $848 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
$563 USD