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Cushion|Natural|GIA

1.21ct F SI1 Cushion Natural Diamond

GD • F/SI1 • GIA 1555552860

Certificate GIA 1555552860

Diamond specifications and retailer prices

From $5,841 NZD
As of November 4, 2026
Save $7,089 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,930 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 F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1555552860. Listed at 19 retailers as of November 2, 2026, with prices from $5,841 to $12,930, a $7,089 spread on the same certified stone. MOH London lists it at $12,930. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555552860
Dimensions7.35 × 5.50 × 3.68 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Cavity, Needle, Indented Natural
Top View
7.35 mm5.50 mm1.21 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555552860
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.0%

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: $12,930 NZD|Low: $5,794 NZD|High: $12,946 NZD|Avg: $8,368 NZD|+0.6%
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
Retailer 16
November 5, 2026
Retailer 14$5,841 NZD
Retailer 11$6,086 NZD
Retailer 5$6,925 NZD
Retailer 2$7,091 NZD
Retailer 4$7,134 NZD
Retailer 8$7,360 NZD
Retailer 12$7,540 NZD
Retailer 15$7,732 NZD
Retailer 9$7,831 NZD
Retailer 3$7,998 NZD
Retailer 7$8,170 NZD
Retailer 6$8,219 NZD
Retailer 10$8,715 NZD
Retailer 13$9,503 NZD
Retailer 16$12,600 NZD
MOH London$12,930 NZD

24 data points across 16 retailers

19 retailers$5,841 NZD to $12,930 NZD

B+
Cheapest Retailer
-
$5,841 NZD
B+
Retailer 2
-
$6,086 NZD
View
Retailer 3
-
$6,925 NZD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$7,091 NZD
View
B
Retailer 5
-
$7,335 NZD
View
B
Retailer 6
-
$7,342 NZD
View
Retailer 7
-
$7,360 NZD
View
Price last confirmed 11 days ago
B
Retailer 8
-
$7,540 NZD
View
Retailer 9
-
$7,732 NZD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$7,831 NZD
View
B
Retailer 11
-
$7,842 NZD
View
B
Retailer 12
-
$7,998 NZD
View
B
Retailer 13
-
$8,170 NZD
View
B
Retailer 14
-
$8,219 NZD
View
Retailer 15
-
$8,587 NZD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$8,715 NZD
View
B
Retailer 17
-
$9,503 NZD
View
Retailer 18
-
$12,600 NZD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
59AF216A7 · Nov 2
$12,930 NZD
£5,644 GBP
View
18 more retailers have this diamond
Prices start from $5,841 NZDSave up to $7,089 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
$5,841 NZD