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Cushion|Natural|GIA

1.02ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 6551417049

Certificate GIA 6551417049

Diamond specifications and retailer prices

From $2,424 AUD
HK$13,300 HKD
As of October 30, 2026
Save $1,491 AUD (38%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,529 AUD at MOH London · As of October 21, 2026
View at MOH London

About this 1.02ct natural cushion diamond

This 1.02ct 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 6551417049. Listed at 21 retailers as of October 29, 2026, with a 62% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551417049
Dimensions5.98 × 5.82 × 3.83 mm
L/W Ratio1.03
Girdle conditionFaceted
Top View
5.98 mm5.82 mm1.02 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551417049
Side View
Table 65.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 65.8%

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 30
Current: $5,529 AUD|Low: $2,424 AUD|High: $5,818 AUD|Avg: $3,311 AUD|-5.0%
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
October 30, 2026
Retailer 3$2,424 AUD
Retailer 11$2,477 AUD
Retailer 5$2,624 AUD
Retailer 18$2,685 AUD
Retailer 19$2,893 AUD
Retailer 8$2,897 AUD
Retailer 13$2,900 AUD
Retailer 7$2,917 AUD
Retailer 9$3,018 AUD
Retailer 2$3,071 AUD
Retailer 16$3,078 AUD
Retailer 10$3,094 AUD
Retailer 14$3,224 AUD
Retailer 4$3,247 AUD
Retailer 12$3,445 AUD
Retailer 17$3,789 AUD
Retailer 15$3,915 AUD
Retailer 6$5,014 AUD
MOH London$5,529 AUD

19 data points across 19 retailers

21 retailers$2,424 AUD to $3,915 AUD

A
Cheapest Retailer
-
$2,424 AUD
HK$13,300 HKD
A
Retailer 2
-
$2,477 AUD
$1,740 USD
View
A
Retailer 3
-
$2,624 AUD
$1,843 USD
View
Final sale: no returns
A
Retailer 4
-
$2,685 AUD
$1,886 USD
View
A
Retailer 5
-
$2,893 AUD
$2,032 USD
View
A
Retailer 6
-
$2,897 AUD
$2,035 USD
View
A
Retailer 7
-
$2,900 AUD
€1,940 EUR
View
A
Retailer 8
-
$2,917 AUD
$2,049 USD
View
A
Retailer 9
-
$3,018 AUD
$2,120 USD
View
A
Retailer 10
-
$3,071 AUD
£1,699 GBP
View
A
Retailer 11
-
$3,078 AUD
$2,162 USD
View
A
Retailer 12
-
$3,094 AUD
$2,173 USD
View
A
Retailer 13
-
$3,224 AUD
$2,265 USD
View
A
Retailer 14
-
$3,247 AUD
$2,281 USD
View
B+
Retailer 15
-
$3,445 AUD
£1,905 GBP
View
B+
Retailer 16
-
$3,468 AUD
View
Retailer 17
-
$3,789 AUD
ZAR 42,994 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$3,915 AUD
€2,619 EUR
View
Retailer 19
-
$4,071 AUD
View
Price last confirmed 23 days ago
Retailer 20
-
$5,014 AUD
$3,522 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
C81AA20E3 · Oct 21
$5,529 AUD
£3,058 GBP
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from $2,424 AUDSave up to $1,491 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
1.02ct Cushion
$2,424 AUD