Cushion|Natural|GIA

1.00ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1553479465

Certificate GIA 1553479465

Diamond specifications and retailer prices

From $1,176 USD
As of November 6, 2026
Save $266 USD (18%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,442 USD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic 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 1553479465. Listed at 7 retailers as of November 6, 2026, with prices from $1,176 to $1,442, a $266 spread on the same certified stone. GemTrove lists it at $1,442. 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

1.00
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553479465
Dimensions5.65 × 5.52 × 3.74 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal
Top View
5.65 mm5.52 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553479465
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.7%

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 6
Current: $1,442 USD|Low: $1,035 USD|High: $1,560 USD|Avg: $1,309 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$1,176 USD
Retailer 7$1,177 USD
Retailer 3$1,228 USD
Retailer 2$1,291 USD
Retailer 6$1,340 USD
Retailer 5$1,431 USD
GemTrove$1,442 USD

41 data points across 7 retailers

7 retailers$1,176 USD to $1,442 USD

A
Cheapest Retailer
-
$1,176 USD
Final sale: no returns
A
Retailer 2
-
$1,177 USD
View
A
Retailer 3
-
$1,228 USD
View
A
Retailer 4
-
$1,291 USD
View
A
Retailer 5
-
$1,340 USD
View
A
Retailer 6
-
$1,431 USD
View
Most Expensive
A
GemTrove
GT-N-00976640-98 · Nov 6
$1,442 USD
A$2,218 AUD
View
6 more retailers have this diamond
Prices start from $1,176 USDSave up to $266 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
1.00ct Cushion
$1,176 USD