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Cushion|Natural|GIA

1.21ct H SI2 Cushion Natural Diamond

ID • H/SI2 • GIA 6512083209

Certificate GIA 6512083209

Diamond specifications and retailer prices

From $1,872 CAD
As of November 6, 2026
Save $888 CAD (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,760 CAD at Blue Nile · As of November 5, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512083209. Listed at 6 retailers as of November 5, 2026, with prices from $1,872 to $2,760, a $888 spread on the same certified stone. Blue Nile lists it at $2,760. 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
H
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512083209
Dimensions6.51 × 6.13 × 4.01 mm
L/W Ratio1.06
Top View
6.51 mm6.13 mm1.21 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512083209
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 65.4%

Caratlytics Score

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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: $2,760 CAD|Low: $1,854 CAD|High: $2,760 CAD|Avg: $2,358 CAD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3$1,872 CAD
Retailer 5$2,296 CAD
Retailer 4$2,341 CAD
Retailer 2$2,401 CAD
Retailer 6$2,591 CAD
Blue Nile$2,760 CAD

10 data points across 6 retailers

6 retailers$1,872 CAD to $2,760 CAD

A
Cheapest Retailer
-
$1,872 CAD
A
Retailer 2
-
$2,296 CAD
View
A
Retailer 3
-
$2,341 CAD
View
Final sale: no returns
A
Retailer 4
-
$2,401 CAD
View
A
Retailer 5
-
$2,591 CAD
View
Most Expensive
A
Blue Nile
23635727 · Nov 5
$2,760 CAD
$1,962 USD
View
5 more retailers have this diamond
Prices start from $1,872 CADSave up to $888 CAD

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
$1,872 CAD