Cushion|Natural|GIA

1.00ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 6425709135

Certificate GIA 6425709135

Diamond specifications and retailer prices

From $1,169 USD
As of November 6, 2026
Save $1,203 USD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,372 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6425709135. Listed at 10 retailers as of November 4, 2026, with prices from $1,169 to $2,372, a $1,203 spread on the same certified stone. MOH London lists it at $2,372. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6425709135
Dimensions5.48 × 5.41 × 3.74 mm
L/W Ratio1.01
Top View
5.48 mm5.41 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6425709135
Side View
Table 57.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 69.1%

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: $2,372 USD|Low: $1,169 USD|High: $2,407 USD|Avg: $1,442 USD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$1,169 USD
Retailer 2$1,188 USD
Retailer 8$1,198 USD
Retailer 10$1,203 USD
Retailer 3$1,277 USD
Retailer 6$1,299 USD
Retailer 9$1,385 USD
Retailer 5$1,459 USD
Retailer 4$1,802 USD
MOH London$2,372 USD

29 data points across 10 retailers

10 retailers$1,169 USD to $2,372 USD

A
Cheapest Retailer
-
$1,169 USD
A
Retailer 2
-
$1,188 USD
View
A
Retailer 3
-
$1,198 USD
View
Final sale: no returns
A
Retailer 4
-
$1,203 USD
View
A
Retailer 5
-
$1,277 USD
View
Retailer 6
-
$1,299 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,385 USD
View
A
Retailer 8
-
$1,459 USD
View
B+
Retailer 9
-
$1,802 USD
View
Most Expensive
B+
MOH London
F1C310B20 · Nov 4
$2,372 USD
£1,868 GBP
View
9 more retailers have this diamond
Prices start from $1,169 USDSave up to $1,203 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
$1,169 USD