Cushion|Natural|GIA

1.01ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6545632728

Certificate GIA 6545632728

Diamond specifications and retailer prices

From $1,421 USD
HK$11,100 HKD
As of October 30, 2026
Save $1,754 USD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,175 USD at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545632728. Listed at 23 retailers as of October 29, 2026, with prices from $1,421 to $3,175, a $1,754 spread on the same certified stone. MOH London lists it at $3,175. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.2°
OriginNatural
Grading LabGIA
CertificateGIA 6545632728
Dimensions5.73 × 5.69 × 3.90 mm
L/W Ratio1.01
Top View
5.73 mm5.69 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545632728
Side View
Table 64.0%CrownGirdle: STK-VTKPavilion 39.2°Culet: NoneDepth 68.6%

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: Oct 30
Current: $3,175 USD|Low: $1,407 USD|High: $3,255 USD|Avg: $1,986 USD|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 6$1,421 USD
Retailer 7$1,507 USD
Retailer 15$1,550 USD
Retailer 18$1,550 USD
Retailer 4$1,613 USD
Retailer 14$1,712 USD
Retailer 5$1,714 USD
Retailer 10$1,760 USD
Retailer 2$1,764 USD
Retailer 9$1,777 USD
Retailer 19$1,834 USD
Retailer 11$1,864 USD
Retailer 20$1,925 USD
Retailer 16$1,975 USD
Retailer 13$2,020 USD
Retailer 3$2,175 USD
Retailer 12$2,396 USD
Retailer 17$2,458 USD
Retailer 8$2,986 USD
MOH London$3,175 USD

20 data points across 20 retailers

23 retailers$1,421 USD to $3,175 USD

A
Cheapest Retailer
-
$1,421 USD
HK$11,100 HKD
A
Retailer 2
-
$1,507 USD
View
Final sale: no returns
A
Retailer 3
-
$1,550 USD
View
A
Retailer 4
-
$1,550 USD
View
A
Retailer 5
-
$1,613 USD
View
A
Retailer 6
-
$1,712 USD
€1,630 EUR
View
A
Retailer 7
-
$1,714 USD
View
A
Retailer 8
-
$1,760 USD
View
A
Retailer 9
-
$1,764 USD
£1,389 GBP
View
A
Retailer 10
-
$1,777 USD
View
A
Retailer 11
-
$1,834 USD
View
A
Retailer 12
-
$1,864 USD
View
A
Retailer 13
-
$1,925 USD
View
A
Retailer 14
-
$1,975 USD
View
Retailer 15
-
$1,975 USD
View
Price last confirmed 9 days ago
Retailer 16
-
$2,012 USD
View
Price last confirmed 23 days ago
A
Retailer 17
-
$2,020 USD
£1,591 GBP
View
A
Retailer 18
-
$2,124 USD
A$3,268 AUD
View
Retailer 19
-
$2,175 USD
ZAR 35,144 ZAR
View
Price last confirmed 9 days ago
Retailer 20
-
$2,396 USD
A$3,686 AUD
View
Price last confirmed 25 days ago
B+
Retailer 21
-
$2,458 USD
€2,341 EUR
View
Retailer 22
-
$2,986 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
MOH London
148232079 · Oct 29
$3,175 USD
£2,500 GBP
View
22 more retailers have this diamond
Prices start from $1,421 USDSave up to $1,754 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
$1,421 USD