Cushion|Natural|GIA

0.80ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1548871793

Certificate GIA 1548871793

Diamond specifications and retailer prices

From $630 USD
As of November 4, 2026
Save $517 USD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,147 USD at Diamonds Direct · As of November 1, 2026
View at Diamonds Direct

About this 0.8ct natural cushion diamond

This 0.8ct natural cushion sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548871793. Listed at 10 retailers as of November 1, 2026, with prices from $630 to $1,147, a $517 spread on the same certified stone. Diamonds Direct lists it at $1,147. 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

0.80
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548871793
Dimensions5.65 × 4.86 × 3.38 mm
L/W Ratio1.16
Culet sizeNone
Top View
5.65 mm4.86 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548871793
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.5%

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: Nov 4
Current: $1,147 USD|Low: $630 USD|High: $1,219 USD|Avg: $898 USD|-5.9%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3$630 USD
Retailer 8$680 USD
Retailer 2$688 USD
Retailer 6$721 USD
Retailer 4$793 USD
Retailer 10$904 USD
Retailer 5$954 USD
Retailer 7$1,043 USD
Retailer 9$1,102 USD
Diamonds Direct$1,147 USD

41 data points across 10 retailers

10 retailers$630 USD to $1,147 USD

A
Cheapest Retailer
-
$630 USD
A
Retailer 2
-
$680 USD
View
A
Retailer 3
-
$688 USD
View
A
Retailer 4
-
$721 USD
View
A
Retailer 5
-
$793 USD
View
A
Retailer 6
-
$904 USD
View
A
Retailer 7
-
$954 USD
View
A
Retailer 8
-
$1,043 USD
View
B+
Retailer 9
-
$1,102 USD
View
Most Expensive
B+
Diamonds Direct
831096 · Nov 1
$1,147 USD
View
9 more retailers have this diamond
Prices start from $630 USDSave up to $517 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
0.80ct Cushion
$630 USD