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Cushion|Natural|GIA

1.21ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 7551329251

Certificate GIA 7551329251

Diamond specifications and retailer prices

From $2,770 AUD
HK$15,200 HKD
As of November 1, 2026
Save $3,860 AUD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,630 AUD at MOH London · As of November 1, 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 D 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 7551329251. Listed at 15 retailers as of November 1, 2026, with prices from $2,770 to $6,630, a $3,860 spread on the same certified stone. MOH London lists it at $6,630. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551329251
Dimensions7.13 × 5.70 × 3.92 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.13 mm5.70 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551329251
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.7%

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: $6,630 AUD|Low: $2,770 AUD|High: $6,847 AUD|Avg: $3,899 AUD|-3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 9$2,770 AUD
Retailer 2$3,052 AUD
Retailer 13$3,163 AUD
Retailer 8$3,213 AUD
Retailer 6$3,289 AUD
Retailer 3$3,310 AUD
Retailer 7$3,459 AUD
Retailer 10$3,468 AUD
Retailer 12$3,590 AUD
Retailer 4$3,699 AUD
Retailer 11$3,742 AUD
Retailer 14$4,644 AUD
Retailer 5$5,727 AUD
MOH London$6,630 AUD

26 data points across 14 retailers

15 retailers$2,770 AUD to $6,630 AUD

A
Cheapest Retailer
-
$2,770 AUD
HK$15,200 HKD
A
Retailer 2
-
$3,052 AUD
$2,144 USD
View
A
Retailer 3
-
$3,163 AUD
$2,222 USD
View
Final sale: no returns
A
Retailer 4
-
$3,213 AUD
$2,257 USD
View
A
Retailer 5
-
$3,289 AUD
$2,310 USD
View
A
Retailer 6
-
$3,310 AUD
$2,325 USD
View
A
Retailer 7
-
$3,459 AUD
$2,430 USD
View
A
Retailer 8
-
$3,468 AUD
$2,436 USD
View
A
Retailer 9
-
$3,590 AUD
£1,986 GBP
View
Retailer 10
-
$3,699 AUD
$2,598 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
$3,742 AUD
£2,070 GBP
View
B+
Retailer 12
-
$3,977 AUD
View
B+
Retailer 13
-
$4,644 AUD
€3,107 EUR
View
Retailer 14
-
$5,727 AUD
$4,023 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
14A85E92B · Nov 1
$6,630 AUD
£3,667 GBP
View
14 more retailers have this diamond
Prices start from $2,770 AUDSave up to $3,860 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
1.21ct Cushion
$2,770 AUD