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Cushion|Natural|GIA

1.21ct D SI1 Cushion Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $7,437 NZD
As of November 5, 2026
Save $1,144 NZD (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,581 NZD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 4 retailers as of November 5, 2026, with prices from $7,437 to $8,581, a $1,144 spread on the same certified stone. The Diamond Guys lists it at $8,581. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions6.42 × 5.69 × 3.79 mm
L/W Ratio1.13
Top View
6.42 mm5.69 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCuletDepth 66.6%

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 5
Current: $8,146 NZD|Low: $7,437 NZD|High: $8,581 NZD|Avg: $7,998 NZD|-0.8%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
November 6, 2026
Retailer 2$7,437 NZD
Retailer 3$7,722 NZD
Retailer 1$8,146 NZD
The Diamond Guys$8,581 NZD

41 data points across 4 retailers

4 retailers$7,437 NZD to $8,581 NZD

B+
Cheapest Retailer
-
$7,437 NZD
B
Retailer 2
-
$7,722 NZD
View
B
Retailer 3
-
$8,146 NZD
View
Most Expensive
B
The Diamond Guys
1957405758 · Nov 6
$8,581 NZD
$4,757 USD
View
3 more retailers have this diamond
Prices start from $7,437 NZDSave up to $1,144 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
$7,437 NZD