Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6495470525

Certificate GIA 6495470525

Diamond specifications and retailer prices

From $1,918 AUD
HK$10,500 HKD
As of November 1, 2026
Save $2,495 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,413 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct 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 6495470525. Listed at 16 retailers as of November 1, 2026, with prices from $1,918 to $4,413, a $2,495 spread on the same certified stone. MOH London lists it at $4,413. 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

1.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6495470525
Dimensions7.03 × 5.45 × 3.78 mm
L/W Ratio1.29
Top View
7.03 mm5.45 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6495470525
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.4%

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 1
Current: $4,413 AUD|Low: $1,899 AUD|High: $4,465 AUD|Avg: $2,733 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8$1,918 AUD
Retailer 2$2,048 AUD
Retailer 11$2,081 AUD
Retailer 5$2,457 AUD
Retailer 10$2,518 AUD
Retailer 4$2,678 AUD
Retailer 3$2,714 AUD
Retailer 12$2,782 AUD
Retailer 7$2,823 AUD
Retailer 9$3,067 AUD
Retailer 6$3,440 AUD
MOH London$4,413 AUD

26 data points across 12 retailers

16 retailers$1,918 AUD to $4,413 AUD

A
Cheapest Retailer
-
$1,918 AUD
HK$10,500 HKD
A
Retailer 2
-
$2,048 AUD
₹136,701 INR
View
A
Retailer 3
-
$2,081 AUD
SGD 1,971 SGD
View
B+
Retailer 4
-
$2,441 AUD
$1,711 USD
View
B+
Retailer 5
-
$2,447 AUD
$1,715 USD
View
B+
Retailer 6
-
$2,457 AUD
£1,356 GBP
View
B+
Retailer 7
-
$2,518 AUD
$1,765 USD
View
Retailer 8
-
$2,678 AUD
SGD 2,536 SGD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$2,714 AUD
$1,902 USD
View
B+
Retailer 10
-
$2,725 AUD
View
B+
Retailer 11
-
$2,782 AUD
$1,950 USD
View
B+
Retailer 12
-
$2,823 AUD
£1,558 GBP
View
Retailer 13
-
$3,067 AUD
ZAR 34,723 ZAR
View
Price last confirmed 7 days ago
Retailer 14
-
$3,310 AUD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
$3,440 AUD
€2,296 EUR
View
Most Expensive
B
MOH London
323C38BBB · Nov 2
$4,413 AUD
£2,435 GBP
View
15 more retailers have this diamond
Prices start from $1,918 AUDSave up to $2,495 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
1.20ct Cushion
$1,918 AUD