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Cushion|Natural|GIA

1.02ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5231993457

Certificate GIA 5231993457

Diamond specifications and retailer prices

From $2,289 CAD
HK$12,800 HKD
As of October 31, 2026
Save $2,994 CAD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,283 CAD at MOH London · As of October 29, 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 D 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 5231993457. Listed at 14 retailers as of October 29, 2026, with prices from $2,289 to $5,283, a $2,994 spread on the same certified stone. MOH London lists it at $5,283. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.39°
OriginNatural
Grading LabGIA
CertificateGIA 5231993457
Dimensions5.90 × 5.87 × 3.94 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.90 mm5.87 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231993457
Side View
Table 61.0%Crown 33.7°Girdle: THK-ETKPavilion 40.39°Culet: NoneDepth 67.0%

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 31
Current: $5,283 CAD|Low: $2,271 CAD|High: $6,271 CAD|Avg: $3,639 CAD|-15.8%
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
October 31, 2026
Retailer 2$2,289 CAD
Retailer 5$2,396 CAD
Retailer 10$2,460 CAD
Retailer 11$2,509 CAD
Retailer 14$2,607 CAD
Retailer 4$2,801 CAD
Retailer 3$2,961 CAD
Retailer 12$2,961 CAD
Retailer 13$3,059 CAD
Retailer 8$3,291 CAD
Retailer 9$3,661 CAD
Retailer 7$3,821 CAD
Retailer 6$3,932 CAD
MOH London$5,283 CAD

44 data points across 14 retailers

14 retailers$2,289 CAD to $5,283 CAD

A
Cheapest Retailer
-
$2,289 CAD
HK$12,800 HKD
A
Retailer 2
-
$2,396 CAD
$1,715 USD
View
A
Retailer 3
-
$2,460 CAD
$1,761 USD
View
A
Retailer 4
-
$2,509 CAD
$1,796 USD
View
Final sale: no returns
A
Retailer 5
-
$2,607 CAD
$1,866 USD
View
A
Retailer 6
-
$2,801 CAD
$2,005 USD
View
A
Retailer 7
-
$2,961 CAD
$2,120 USD
View
A
Retailer 8
-
$2,961 CAD
$2,120 USD
View
A
Retailer 9
-
$3,059 CAD
$2,190 USD
View
A
Retailer 10
-
$3,291 CAD
£1,855 GBP
View
B+
Retailer 11
-
$3,661 CAD
$2,621 USD
View
B+
Retailer 12
-
$3,821 CAD
€2,605 EUR
View
Retailer 13
-
$3,932 CAD
A$4,331 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
MOH London
650C56878 · Oct 29
$5,283 CAD
£2,978 GBP
View
13 more retailers have this diamond
Prices start from $2,289 CADSave up to $2,994 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
1.02ct Cushion
$2,289 CAD