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Oval|Natural|GIA

1.21ct K SI1 Oval Natural Diamond

K/SI1 • GIA 2566685262

Certificate GIA 2566685262

Diamond specifications and retailer prices

From $3,601 NZD
As of November 7, 2026
Save $1,330 NZD (27%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,930 NZD at Steven Stone · As of November 7, 2026
View at Steven Stone

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 2566685262. Listed at 3 retailers as of November 7, 2026, with prices from $3,601 to $4,930, a $1,330 spread on the same certified stone. Steven Stone lists it at $4,930. 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
K
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566685262
Dimensions8.35 × 5.92 × 3.72 mm
L/W Ratio1.41
Top View
8.35 mm5.92 mm1.21 ctK / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566685262
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 62.9%

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 7
Current: $3,601 NZD|Low: $3,601 NZD|High: $4,930 NZD|Avg: $4,186 NZD
Retailer 1
Retailer 2
Steven Stone
November 7, 2026
Retailer 1$3,601 NZD
Retailer 2$4,028 NZD
Steven Stone$4,930 NZD

1 data point across 3 retailers

3 retailers$3,601 NZD to $4,930 NZD

B+
Cheapest Retailer
-
$3,601 NZD
B
Retailer 2
-
$4,028 NZD
View
Most Expensive
C
Steven Stone
339337430 · Nov 7
$4,930 NZD
£2,152 GBP
View
2 more retailers have this diamond
Prices start from $3,601 NZDSave up to $1,330 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 Oval
$3,601 NZD