Cushion|Natural|GIA

1.02ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 3555269390

Certificate GIA 3555269390

Diamond specifications and retailer prices

From $1,318 USD
HK$10,300 HKD
As of October 27, 2026
Save $1,733 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,052 USD 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 17 retailers as of October 26, 2026, with prices from $1,318 to $3,052, a $1,733 spread on the same certified stone. MOH London lists it at $3,052. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,052 USD|Low: $1,241 USD|High: $3,094 USD|Avg: $1,822 USD|-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$1,318 USD
Retailer 7$1,454 USD
Retailer 14$1,464 USD
Retailer 8$1,474 USD
Retailer 3$1,475 USD
Retailer 16$1,514 USD
Retailer 18$1,537 USD
Retailer 11$1,573 USD
Retailer 15$1,699 USD
Retailer 6$1,749 USD
Retailer 5$1,860 USD
Retailer 9$1,860 USD
Retailer 19$1,920 USD
Retailer 2$1,938 USD
Retailer 17$2,116 USD
Retailer 13$2,118 USD
Retailer 10$2,260 USD
Retailer 12$2,363 USD
MOH London$3,052 USD

26 data points across 19 retailers

17 retailers$1,318 USD to $3,052 USD

A
Cheapest Retailer
-
$1,318 USD
HK$10,300 HKD
A
Retailer 2
-
$1,464 USD
View
A
Retailer 3
-
$1,474 USD
View
A
Retailer 4
-
$1,475 USD
View
A
Retailer 5
-
$1,514 USD
View
A
Retailer 6
-
$1,537 USD
View
A
Retailer 7
-
$1,699 USD
£1,337 GBP
View
Retailer 8
-
$1,749 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$1,860 USD
View
A
Retailer 10
-
$1,860 USD
View
A
Retailer 11
-
$1,920 USD
View
A
Retailer 12
-
$1,938 USD
£1,526 GBP
View
A
Retailer 13
-
$2,116 USD
View
A
Retailer 14
-
$2,118 USD
ZAR 34,213 ZAR
View
Retailer 15
-
$2,260 USD
A$3,478 AUD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
$2,363 USD
€2,250 EUR
View
Most Expensive
B+
MOH London
8177D585F · Oct 26
$3,052 USD
£2,403 GBP
View
16 more retailers have this diamond
Prices start from $1,318 USDSave up to $1,733 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
1.02ct Cushion
$1,318 USD