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Cushion|Natural|GIA

1.21ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 6555062510

Certificate GIA 6555062510

Diamond specifications and retailer prices

From $4,008 AUD
As of November 6, 2026
8 retailers carry this diamond
Most expensive: $6,512 AUD at MOH London · As of October 11, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555062510. Listed at 8 retailers as of November 6, 2026. 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

1.21
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555062510
Dimensions7.08 × 5.67 × 3.89 mm
L/W Ratio1.25
Top View
7.08 mm5.67 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555062510
Side View
Table 67.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $6,512 AUD|Low: $2,812 AUD|High: $6,822 AUD|Avg: $4,086 AUD|-3.4%
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
Retailer 15
October 14, 2026
Retailer 12$2,812 AUD
Retailer 3$2,876 AUD
Retailer 11$3,071 AUD
Retailer 13$3,122 AUD
Retailer 2$3,358 AUD
Retailer 15$3,537 AUD
Retailer 14$3,551 AUD
Retailer 8$3,863 AUD
Retailer 4$4,008 AUD
Retailer 6$4,264 AUD
Retailer 7$4,264 AUD
Retailer 5$4,410 AUD
Retailer 10$4,567 AUD
Retailer 9$5,806 AUD
MOH London$6,512 AUD

20 data points across 15 retailers

8 retailers

Retailer 1
-
$2,812 AUD
Price last confirmed 23 days ago
Retailer 2
-
$2,876 AUD
View
Price last confirmed 24 days ago
Retailer 3
-
$3,358 AUD
View
Price last confirmed 23 days ago
Retailer 4
-
$3,537 AUD
View
Price last confirmed 23 days ago
Retailer 5
-
$3,863 AUD
View
Price last confirmed 23 days ago
B+
Retailer 6
-
$4,008 AUD
View
Retailer 7
-
$5,806 AUD
View
Price last confirmed 25 days ago
Most Expensive
MOH London
67CFAB849 · Oct 11
$6,512 AUD
£3,523 GBP
View
Price last confirmed 26 days ago
7 more retailers have this diamond
Prices start from $4,008 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+
1.21ct Cushion
$4,008 AUD