CaratHunter
Plans
Cushion|Natural|GIA

1.20ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 6555439773

Certificate GIA 6555439773

Diamond specifications and retailer prices

From $5,011 AUD
As of November 4, 2026
Save $5,654 AUD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,665 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 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 6555439773. Listed at 18 retailers as of November 2, 2026, with prices from $5,011 to $10,665, a $5,654 spread on the same certified stone. MOH London lists it at $10,665. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555439773
Dimensions7.35 × 5.49 × 3.62 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
7.35 mm5.49 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555439773
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $10,665 AUD|Low: $4,973 AUD|High: $11,157 AUD|Avg: $7,201 AUD|-4.4%
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
November 5, 2026
Retailer 12$5,011 AUD
Retailer 9$5,277 AUD
Retailer 5$5,775 AUD
Retailer 2$6,161 AUD
Retailer 3$6,180 AUD
Retailer 6$6,379 AUD
Retailer 10$6,530 AUD
Retailer 7$6,592 AUD
Retailer 4$6,855 AUD
Retailer 14$6,913 AUD
Retailer 8$7,545 AUD
Retailer 11$8,229 AUD
Retailer 13$10,536 AUD
MOH London$10,665 AUD

25 data points across 14 retailers

18 retailers$5,011 AUD to $10,665 AUD

B+
Cheapest Retailer
-
$5,011 AUD
B+
Retailer 2
-
$5,277 AUD
View
Retailer 3
-
$5,775 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$6,161 AUD
View
B
Retailer 5
-
$6,370 AUD
View
B
Retailer 6
-
$6,375 AUD
View
Retailer 7
-
$6,379 AUD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$6,530 AUD
View
B+
Retailer 9
-
$6,592 AUD
View
B
Retailer 10
-
$6,789 AUD
View
B
Retailer 11
-
$6,855 AUD
View
B
Retailer 12
-
$6,913 AUD
View
Retailer 13
-
$6,931 AUD
View
Price last confirmed 22 days ago
Retailer 14
-
$7,047 AUD
View
Price last confirmed 29 days ago
B
Retailer 15
-
$7,545 AUD
View
B
Retailer 16
-
$8,229 AUD
View
Retailer 17
-
$10,536 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
80E0F79BE · Nov 2
$10,665 AUD
£5,770 GBP
View
17 more retailers have this diamond
Prices start from $5,011 AUDSave up to $5,654 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.

B+
1.20ct Cushion
$5,011 AUD