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Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 5556749718

Certificate GIA 5556749718

Diamond specifications and retailer prices

From $1,327 USD
As of October 28, 2026
Save $1,644 USD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,971 USD 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556749718. Listed at 11 retailers as of October 28, 2026, with prices from $1,327 to $2,971, a $1,644 spread on the same certified stone. MOH London lists it at $2,971. 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
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5556749718
Dimensions6.57 × 5.26 × 3.57 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.57 mm5.26 mm1.00 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5556749718
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,971 USD|Low: $1,278 USD|High: $3,162 USD|Avg: $1,928 USD|-5.1%
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
October 29, 2026
Retailer 8$1,327 USD
Retailer 12$1,381 USD
Retailer 2$1,480 USD
Retailer 3$1,625 USD
Retailer 4$1,629 USD
Retailer 9$1,755 USD
Retailer 14$1,784 USD
Retailer 5$1,810 USD
Retailer 7$1,921 USD
Retailer 10$1,947 USD
Retailer 6$2,000 USD
Retailer 15$2,181 USD
Retailer 13$2,327 USD
Retailer 11$2,427 USD
MOH London$2,971 USD

37 data points across 15 retailers

11 retailers$1,327 USD to $2,971 USD

A
Cheapest Retailer
-
$1,327 USD
Final sale: no returns
A
Retailer 2
-
$1,480 USD
View
A
Retailer 3
-
$1,625 USD
View
Price last confirmed 24 days ago
A
Retailer 4
-
$1,629 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$1,755 USD
View
A
Retailer 6
-
$1,784 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$1,921 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
$2,000 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$2,181 USD
ZAR 35,242 ZAR
View
Price last confirmed 25 days ago
B+
Retailer 10
-
$2,327 USD
A$3,581 AUD
View
Price last confirmed 23 days ago
Most Expensive
B+
MOH London
FAAA90EC6 · Oct 29
$2,971 USD
£2,339 GBP
View
10 more retailers have this diamond
Prices start from $1,327 USDSave up to $1,644 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
$1,327 USD