Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6551048681

Certificate GIA 6551048681

Diamond specifications and retailer prices

From $2,401 CAD
HK$13,400 HKD
As of October 29, 2026
Save $3,243 CAD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,644 CAD at MOH London · As of October 25, 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 6551048681. Listed at 17 retailers as of October 25, 2026, with prices from $2,401 to $5,644, a $3,243 spread on the same certified stone. MOH London lists it at $5,644. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551048681
Dimensions6.63 × 5.10 × 3.51 mm
L/W Ratio1.30
Top View
6.63 mm5.10 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6551048681
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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 29
Current: $5,644 CAD|Low: $2,401 CAD|High: $5,860 CAD|Avg: $3,568 CAD|-3.4%
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
October 29, 2026
Retailer 16$2,401 CAD
Retailer 9$2,571 CAD
Retailer 7$2,878 CAD
Retailer 5$2,967 CAD
Retailer 3$3,006 CAD
Retailer 13$3,093 CAD
Retailer 10$3,156 CAD
Retailer 15$3,216 CAD
Retailer 6$3,359 CAD
Retailer 14$3,412 CAD
Retailer 4$3,514 CAD
Retailer 2$3,519 CAD
Retailer 12$3,917 CAD
Retailer 11$4,012 CAD
Retailer 8$4,069 CAD
MOH London$5,644 CAD

24 data points across 16 retailers

17 retailers$2,401 CAD to $5,644 CAD

A
Cheapest Retailer
-
$2,401 CAD
HK$13,400 HKD
A
Retailer 2
-
$2,571 CAD
₹174,937 INR
View
A
Retailer 3
-
$2,878 CAD
SGD 2,779 SGD
View
A
Retailer 4
-
$2,967 CAD
$2,120 USD
View
Final sale: no returns
A
Retailer 5
-
$3,006 CAD
$2,148 USD
View
B+
Retailer 6
-
$3,093 CAD
$2,210 USD
View
B+
Retailer 7
-
$3,099 CAD
$2,214 USD
View
A
Retailer 8
-
$3,156 CAD
£1,776 GBP
View
B+
Retailer 9
-
$3,216 CAD
$2,298 USD
View
B+
Retailer 10
-
$3,359 CAD
SGD 3,243 SGD
View
B+
Retailer 11
-
$3,412 CAD
$2,438 USD
View
B+
Retailer 12
-
$3,514 CAD
$2,511 USD
View
B+
Retailer 13
-
$3,519 CAD
£1,980 GBP
View
B+
Retailer 14
-
$3,917 CAD
ZAR 45,211 ZAR
View
B+
Retailer 15
-
$4,012 CAD
€2,730 EUR
View
B+
Retailer 16
-
$4,069 CAD
A$4,473 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
MOH London
100B3F5F7 · Oct 25
$5,644 CAD
£3,175 GBP
View
16 more retailers have this diamond
Prices start from $2,401 CADSave up to $3,243 CAD

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
$2,401 CAD