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Cushion|Natural|GIA

1.02ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 3555269390

Certificate GIA 3555269390

Diamond specifications and retailer prices

From $1,877 AUD
HK$10,300 HKD
As of October 27, 2026
Save $2,468 AUD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,345 AUD at MOH London · As of October 26, 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 3555269390. Listed at 18 retailers as of October 26, 2026, with prices from $1,877 to $4,345, a $2,468 spread on the same certified stone. MOH London lists it at $4,345. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.29°
Pavilion angle35.9°
OriginNatural
Grading LabGIA
CertificateGIA 3555269390
Dimensions5.80 × 5.63 × 3.81 mm
L/W Ratio1.03
Girdle conditionFaceted
Top View
5.80 mm5.63 mm1.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3555269390
Side View
Table 62.0%Crown 37.29°Girdle: THN-STKPavilion 35.9°Culet: NoneDepth 67.7%

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 27
Current: $4,345 AUD|Low: $1,767 AUD|High: $4,404 AUD|Avg: $2,593 AUD|-0.6%
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 27, 2026
Retailer 4$1,877 AUD
Retailer 7$2,070 AUD
Retailer 14$2,084 AUD
Retailer 8$2,098 AUD
Retailer 3$2,100 AUD
Retailer 16$2,155 AUD
Retailer 18$2,188 AUD
Retailer 11$2,239 AUD
Retailer 15$2,418 AUD
Retailer 6$2,490 AUD
Retailer 5$2,648 AUD
Retailer 9$2,648 AUD
Retailer 19$2,733 AUD
Retailer 2$2,758 AUD
Retailer 17$3,012 AUD
Retailer 13$3,015 AUD
Retailer 10$3,218 AUD
Retailer 12$3,363 AUD
MOH London$4,345 AUD

26 data points across 19 retailers

18 retailers$1,877 AUD to $4,345 AUD

A
Cheapest Retailer
-
$1,877 AUD
HK$10,300 HKD
A
Retailer 2
-
$2,070 AUD
$1,454 USD
View
Final sale: no returns
A
Retailer 3
-
$2,084 AUD
$1,464 USD
View
A
Retailer 4
-
$2,098 AUD
$1,474 USD
View
A
Retailer 5
-
$2,100 AUD
$1,475 USD
View
A
Retailer 6
-
$2,155 AUD
$1,514 USD
View
A
Retailer 7
-
$2,188 AUD
$1,537 USD
View
A
Retailer 8
-
$2,418 AUD
£1,337 GBP
View
A
Retailer 9
-
$2,490 AUD
$1,749 USD
View
A
Retailer 10
-
$2,648 AUD
$1,860 USD
View
A
Retailer 11
-
$2,648 AUD
$1,860 USD
View
A
Retailer 12
-
$2,733 AUD
$1,920 USD
View
A
Retailer 13
-
$2,758 AUD
£1,526 GBP
View
A
Retailer 14
-
$3,012 AUD
$2,116 USD
View
A
Retailer 15
-
$3,015 AUD
ZAR 34,213 ZAR
View
Retailer 16
-
$3,218 AUD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$3,363 AUD
€2,250 EUR
View
Most Expensive
B+
MOH London
8177D585F · Oct 26
$4,345 AUD
£2,403 GBP
View
17 more retailers have this diamond
Prices start from $1,877 AUDSave up to $2,468 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
$1,877 AUD