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Cushion|Natural|GIA

1.21ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6411171191

Certificate GIA 6411171191

Diamond specifications and retailer prices

From $3,274 NZD
As of November 6, 2026
Save $4,382 NZD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,656 NZD at MOH London · As of November 7, 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 F 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 6411171191. Listed at 14 retailers as of November 6, 2026, with prices from $3,274 to $7,656, a $4,382 spread on the same certified stone. MOH London lists it at $7,656. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6411171191
Dimensions6.18 × 5.94 × 4.10 mm
L/W Ratio1.04
Top View
6.18 mm5.94 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6411171191
Side View
Table 65.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,656 NZD|Low: $3,274 NZD|High: $7,780 NZD|Avg: $5,054 NZD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 4$3,274 NZD
Retailer 9$3,278 NZD
Retailer 2$4,290 NZD
Retailer 3$4,649 NZD
Retailer 8$4,988 NZD
Retailer 10$5,046 NZD
Retailer 6$5,361 NZD
Retailer 5$5,457 NZD
Retailer 7$6,400 NZD
MOH London$7,656 NZD

25 data points across 10 retailers

14 retailers$3,274 NZD to $7,656 NZD

A
Cheapest Retailer
-
$3,274 NZD
A
Retailer 2
-
$3,278 NZD
View
A
Retailer 3
-
$4,290 NZD
View
A
Retailer 4
-
$4,452 NZD
View
Retailer 5
-
$4,542 NZD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$4,645 NZD
View
A
Retailer 7
-
$4,649 NZD
View
B+
Retailer 8
-
$4,903 NZD
View
B+
Retailer 9
-
$4,988 NZD
View
B+
Retailer 10
-
$5,361 NZD
View
Retailer 11
-
$5,408 NZD
View
Price last confirmed 31 days ago
B+
Retailer 12
-
$5,457 NZD
View
B+
Retailer 13
-
$6,400 NZD
View
Most Expensive
B
MOH London
63BA0D0F2 · Nov 7
$7,656 NZD
£3,342 GBP
View
13 more retailers have this diamond
Prices start from $3,274 NZDSave up to $4,382 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.

A
1.21ct Cushion
$3,274 NZD