CaratHunter
Plans
Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2547450823

Certificate GIA 2547450823

Diamond specifications and retailer prices

From $2,003 AUD
As of November 6, 2026
Save $2,402 AUD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,405 AUD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547450823. Listed at 10 retailers as of November 4, 2026, with prices from $2,003 to $4,405, a $2,402 spread on the same certified stone. MOH London lists it at $4,405. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2547450823
Dimensions5.90 × 5.71 × 3.85 mm
L/W Ratio1.03
Top View
5.90 mm5.71 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547450823
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.4%

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 6
Current: $4,405 AUD|Low: $2,003 AUD|High: $4,490 AUD|Avg: $2,901 AUD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$2,003 AUD
Retailer 9$2,438 AUD
Retailer 3$2,445 AUD
Retailer 10$2,535 AUD
Retailer 8$2,719 AUD
Retailer 7$2,786 AUD
Retailer 5$2,797 AUD
Retailer 6$3,075 AUD
Retailer 4$3,423 AUD
MOH London$4,405 AUD

25 data points across 10 retailers

10 retailers$2,003 AUD to $4,405 AUD

A
Cheapest Retailer
-
$2,003 AUD
B+
Retailer 2
-
$2,438 AUD
View
A
Retailer 3
-
$2,445 AUD
View
Retailer 4
-
$2,535 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$2,719 AUD
View
B+
Retailer 6
-
$2,786 AUD
View
B+
Retailer 7
-
$2,797 AUD
View
B+
Retailer 8
-
$3,075 AUD
View
B
Retailer 9
-
$3,423 AUD
View
Most Expensive
B
MOH London
B9CF7B431 · Nov 4
$4,405 AUD
£2,383 GBP
View
9 more retailers have this diamond
Prices start from $2,003 AUDSave up to $2,402 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
$2,003 AUD