CaratHunter
Plans
Cushion|Natural|GIA

1.02ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1553110211

Certificate GIA 1553110211

Diamond specifications and retailer prices

From $1,863 AUD
As of November 6, 2026
Save $2,327 AUD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,190 AUD at MOH London · As of November 2, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553110211. Listed at 19 retailers as of November 2, 2026, with prices from $1,863 to $4,190, a $2,327 spread on the same certified stone. MOH London lists it at $4,190. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553110211
Dimensions6.91 × 5.31 × 3.54 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
6.91 mm5.31 mm1.02 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553110211
Side View
Table 65.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.6%

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 6
Current: $4,190 AUD|Low: $1,840 AUD|High: $4,288 AUD|Avg: $2,710 AUD|-2.3%
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
November 6, 2026
Retailer 17$1,863 AUD
Retailer 5$1,864 AUD
Retailer 4$2,000 AUD
Retailer 13$2,068 AUD
Retailer 7$2,176 AUD
Retailer 15$2,263 AUD
Retailer 8$2,292 AUD
Retailer 9$2,300 AUD
Retailer 16$2,343 AUD
Retailer 3$2,454 AUD
Retailer 6$2,621 AUD
Retailer 11$2,653 AUD
Retailer 12$2,918 AUD
Retailer 10$3,164 AUD
Retailer 2$3,247 AUD
Retailer 14$3,764 AUD
Retailer 18$4,017 AUD
MOH London$4,190 AUD

29 data points across 18 retailers

19 retailers$1,863 AUD to $4,190 AUD

A
Cheapest Retailer
-
$1,863 AUD
A
Retailer 2
-
$1,864 AUD
View
A
Retailer 3
-
$2,000 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,068 AUD
View
A
Retailer 5
-
$2,176 AUD
View
B+
Retailer 6
-
$2,263 AUD
View
B+
Retailer 7
-
$2,292 AUD
View
B+
Retailer 8
-
$2,300 AUD
View
B+
Retailer 9
-
$2,343 AUD
View
B+
Retailer 10
-
$2,454 AUD
View
B+
Retailer 11
-
$2,621 AUD
View
B+
Retailer 12
-
$2,653 AUD
View
B+
Retailer 13
-
$2,675 AUD
View
B+
Retailer 14
-
$2,918 AUD
View
Retailer 15
-
$3,164 AUD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$3,247 AUD
View
B
Retailer 17
-
$3,764 AUD
View
B
Retailer 18
-
$4,017 AUD
View
Most Expensive
B
MOH London
67451C668 · Nov 2
$4,190 AUD
£2,267 GBP
View
18 more retailers have this diamond
Prices start from $1,863 AUDSave up to $2,327 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
$1,863 AUD