Cushion|Natural|GIA

1.01ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6552450117

Certificate GIA 6552450117

Diamond specifications and retailer prices

From $1,254 USD
As of November 6, 2026
Save $1,529 USD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,783 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct natural cushion diamond

This 1.01ct 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 6552450117. Listed at 21 retailers as of November 4, 2026, with prices from $1,254 to $2,783, a $1,529 spread on the same certified stone. MOH London lists it at $2,783. 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

1.01
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.31°
Pavilion angle55.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552450117
Dimensions6.21 × 5.46 × 3.79 mm
L/W Ratio1.14
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.21 mm5.46 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552450117
Side View
Table 64.0%Crown 41.31°Girdle: THN-THKPavilion 55.2°Culet: 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 6
Current: $2,783 USD|Low: $1,254 USD|High: $2,804 USD|Avg: $1,748 USD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$1,254 USD
Retailer 2$1,255 USD
Retailer 3$1,408 USD
Retailer 9$1,526 USD
Retailer 5$1,544 USD
Retailer 4$1,675 USD
Retailer 11$1,712 USD
Retailer 7$1,742 USD
Retailer 8$1,766 USD
Retailer 10$1,943 USD
Retailer 6$2,163 USD
MOH London$2,783 USD

25 data points across 12 retailers

21 retailers$1,254 USD to $2,783 USD

A
Cheapest Retailer
-
$1,254 USD
A
Retailer 2
-
$1,255 USD
View
A
Retailer 3
-
$1,408 USD
View
A
Retailer 4
-
$1,461 USD
View
A
Retailer 5
-
$1,469 USD
View
Final sale: no returns
A
Retailer 6
-
$1,476 USD
View
A
Retailer 7
-
$1,526 USD
View
A
Retailer 8
-
$1,544 USD
View
Retailer 9
-
$1,592 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,675 USD
View
A
Retailer 11
-
$1,712 USD
View
A
Retailer 12
-
$1,728 USD
View
A
Retailer 13
-
$1,742 USD
View
A
Retailer 14
-
$1,757 USD
View
A
Retailer 15
-
$1,766 USD
View
B+
Retailer 16
-
$1,943 USD
View
Retailer 17
-
$2,077 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$2,163 USD
View
B+
Retailer 19
-
$2,352 USD
View
B
Retailer 20
-
$2,417 USD
View
Most Expensive
B+
MOH London
3991CD258 · Nov 4
$2,783 USD
£2,191 GBP
View
20 more retailers have this diamond
Prices start from $1,254 USDSave up to $1,529 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
1.01ct Cushion
$1,254 USD