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Cushion|Natural|GIA

1.21ct D SI1 Cushion Natural Diamond

D/SI1 • GIA 1567014123

Certificate GIA 1567014123

Diamond specifications and retailer prices

From $5,634 NZD
As of November 6, 2026
Save $2,300 NZD (29%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,934 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 1567014123. Listed at 7 retailers as of October 31, 2026, with prices from $5,634 to $7,934, a $2,300 spread on the same certified stone. Blue Nile lists it at $7,934. 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
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1567014123
Dimensions7.47 × 5.67 × 3.68 mm
L/W Ratio1.32
Top View
7.47 mm5.67 mm1.21 ctD / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567014123
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.0%

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 6
Current: $7,934 NZD|Low: $5,610 NZD|High: $8,009 NZD|Avg: $6,600 NZD|-0.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$5,634 NZD
Retailer 2$5,637 NZD
Retailer 3$5,657 NZD
Retailer 5$6,889 NZD
Retailer 4$7,125 NZD
Retailer 7$7,537 NZD
Blue Nile$7,934 NZD

44 data points across 7 retailers

7 retailers$5,634 NZD to $7,934 NZD

B+
Cheapest Retailer
-
$5,634 NZD
Final sale: no returns
B+
Retailer 2
-
$5,637 NZD
View
B+
Retailer 3
-
$5,657 NZD
View
B+
Retailer 4
-
$6,889 NZD
View
Retailer 5
-
$7,125 NZD
View
Price last confirmed 11 days ago
B
Retailer 6
-
$7,537 NZD
View
Most Expensive
B
Blue Nile
30380913 · Oct 31
$7,934 NZD
$4,398 USD
View
6 more retailers have this diamond
Prices start from $5,634 NZDSave up to $2,300 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
$5,634 NZD