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Cushion|Natural|HRD

1.00ct E SI2 Cushion Natural Diamond

EX • E/SI2 • HRD 210000181942

Shape and cutting style on the report: Cushion

Certificate HRD 210000181942

Diamond specifications and retailer prices

From $2,486 AUD
As of November 4, 2026
Save $4,168 AUD (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,654 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 210000181942. Listed at 10 retailers as of November 4, 2026, with prices from $2,486 to $6,654, a $4,168 spread on the same certified stone. NZ Jewellers lists it at $6,654. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 210000181942
Dimensions5.88 × 4.96 × 3.79 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizeNone
Top View
5.88 mm4.96 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 210000181942
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: 0.0Depth 76.0%

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: Nov 4
Current: $6,654 AUD|Low: $1,784 AUD|High: $6,654 AUD|Avg: $3,228 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 5$1,784 AUD
Retailer 3$2,486 AUD
Retailer 11$2,516 AUD
Retailer 6$2,727 AUD
Retailer 8$2,727 AUD
Retailer 12$2,838 AUD
Retailer 7$2,854 AUD
Retailer 9$2,927 AUD
Retailer 4$3,115 AUD
Retailer 10$3,148 AUD
Retailer 2$3,705 AUD
Retailer 13$4,407 AUD
NZ Jewellers$6,654 AUD

13 data points across 13 retailers

10 retailers$2,486 AUD to $6,654 AUD

A
Cheapest Retailer
-
$2,486 AUD
A
Retailer 2
-
$2,516 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,727 AUD
View
Retailer 4
-
$2,727 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$2,838 AUD
View
B+
Retailer 6
-
$2,854 AUD
View
B+
Retailer 7
-
$2,927 AUD
View
B+
Retailer 8
-
$3,148 AUD
View
B+
Retailer 9
-
$3,705 AUD
View
Most Expensive
B
NZ Jewellers
e10550ea-b670-42e4-b81f-2af8fd6497ef · Nov 5
$6,654 AUD
$4,572 USD
View
9 more retailers have this diamond
Prices start from $2,486 AUDSave up to $4,168 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.

A
1.00ct Cushion
$2,486 AUD