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Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

VG • E/SI1 • GIA 1418861366

Certificate GIA 1418861366

Diamond specifications and retailer prices

From $5,004 AUD
$3,515 USD
As of October 30, 2026
Save $5,535 AUD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,539 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1418861366. Listed at 20 retailers as of October 29, 2026, with prices from $5,004 to $10,539, a $5,535 spread on the same certified stone. MOH London lists it at $10,539. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1418861366
Dimensions6.41 × 5.12 × 3.52 mm
L/W Ratio1.25
Culet sizeNone
Top View
6.41 mm5.12 mm1.00 ctE / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1418861366
Side View
Table 66.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,539 AUD|Low: $5,004 AUD|High: $10,609 AUD|Avg: $6,587 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$5,004 AUD
Retailer 6$5,168 AUD
Retailer 3$5,600 AUD
Retailer 11$5,666 AUD
Retailer 8$5,962 AUD
Retailer 9$6,322 AUD
Retailer 2$6,544 AUD
Retailer 7$6,635 AUD
Retailer 4$7,012 AUD
Retailer 5$8,015 AUD
MOH London$10,539 AUD

43 data points across 11 retailers

20 retailers$5,004 AUD to $10,539 AUD

B
Cheapest Retailer
-
$5,004 AUD
$3,515 USD
B
Retailer 2
-
$5,139 AUD
$3,610 USD
View
B
Retailer 3
-
$5,168 AUD
$3,630 USD
View
B
Retailer 4
-
$5,247 AUD
$3,686 USD
View
B
Retailer 5
-
$5,255 AUD
$3,691 USD
View
B
Retailer 6
-
$5,600 AUD
$3,934 USD
View
B
Retailer 7
-
$5,624 AUD
CA$5,487 CAD
View
B
Retailer 8
-
$5,666 AUD
$3,980 USD
View
B
Retailer 9
-
$5,962 AUD
$4,188 USD
View
B
Retailer 10
-
$6,322 AUD
$4,441 USD
View
B
Retailer 11
-
$6,487 AUD
$4,557 USD
View
B
Retailer 12
-
$6,544 AUD
£3,620 GBP
View
Retailer 13
-
$6,635 AUD
View
Price last confirmed 21 days ago
B
Retailer 14
-
$6,705 AUD
$4,710 USD
View
B
Retailer 15
-
$6,705 AUD
$4,710 USD
View
B
Retailer 16
-
$6,933 AUD
$4,870 USD
View
B
Retailer 17
-
$7,012 AUD
€4,691 EUR
View
Retailer 18
-
$7,443 AUD
$5,228 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$8,015 AUD
ZAR 90,951 ZAR
View
Most Expensive
B
MOH London
FE3A52740 · Oct 29
$10,539 AUD
£5,829 GBP
View
19 more retailers have this diamond
Prices start from $5,004 AUDSave up to $5,535 AUD

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.

B
1.00ct Cushion
$5,004 AUD