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Cushion|Natural|GIA

1.21ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6542540034

Certificate GIA 6542540034

Diamond specifications and retailer prices

From $5,181 NZD
As of November 6, 2026
Save $5,500 NZD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,680 NZD at MOH London · As of November 2, 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 I 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 6542540034. Listed at 19 retailers as of November 2, 2026, with prices from $5,181 to $10,680, a $5,500 spread on the same certified stone. MOH London lists it at $10,680. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542540034
Dimensions7.29 × 5.37 × 3.69 mm
L/W Ratio1.36
Cert comments
Additional pinpoints are not shown.
Key to symbols
Crystal, Feather, Pinpoint
Top View
7.29 mm5.37 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542540034
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.7%

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 6
Current: $10,680 NZD|Low: $4,894 NZD|High: $10,809 NZD|Avg: $6,647 NZD|-0.9%
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 7, 2026
Retailer 12$5,181 NZD
Retailer 10$5,338 NZD
Retailer 11$5,415 NZD
Retailer 3$5,433 NZD
Retailer 9$5,785 NZD
Retailer 5$6,195 NZD
Retailer 8$6,561 NZD
Retailer 2$6,608 NZD
Retailer 4$6,839 NZD
Retailer 6$7,434 NZD
Retailer 7$7,793 NZD
MOH London$10,680 NZD

38 data points across 12 retailers

19 retailers$5,181 NZD to $10,680 NZD

Retailer 1
-
$5,065 NZD
Price last confirmed 31 days ago
B+
Retailer 2
-
$5,181 NZD
View
B+
Retailer 3
-
$5,338 NZD
View
Final sale: no returns
B+
Retailer 4
-
$5,415 NZD
View
B+
Retailer 5
-
$5,433 NZD
View
Retailer 6
-
$5,785 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$6,195 NZD
View
B
Retailer 8
-
$6,220 NZD
View
B
Retailer 9
-
$6,561 NZD
View
Retailer 10
-
$6,561 NZD
View
Price last confirmed 19 days ago
B
Retailer 11
-
$6,566 NZD
View
B
Retailer 12
-
$6,566 NZD
View
B
Retailer 13
-
$6,608 NZD
View
B
Retailer 14
-
$6,783 NZD
View
Retailer 15
-
$6,839 NZD
View
Price last confirmed 30 days ago
Retailer 16
-
$7,235 NZD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$7,434 NZD
View
B
Retailer 18
-
$7,793 NZD
View
Most Expensive
B
MOH London
AB3735B3F · Nov 2
$10,680 NZD
£4,662 GBP
View
18 more retailers have this diamond
Prices start from $5,181 NZDSave up to $5,500 NZD

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
$5,181 NZD