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Oval|Natural|IGI

1.21ct K SI2 Oval Natural Diamond

GD • K/SI2 • IGI 508118603

Shape and cutting style on the report: Oval brilliant

Certificate IGI 508118603

Diamond specifications and retailer prices

From $2,713 NZD
As of November 6, 2026
Save $5,202 NZD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,916 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 508118603. Listed at 11 retailers as of November 5, 2026, with prices from $2,713 to $7,916, a $5,202 spread on the same certified stone. NZ Jewellers lists it at $7,916. 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
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle43.4°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 508118603
Dimensions7.89 × 5.98 × 3.76 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Top View
7.89 mm5.98 mm1.21 ctK / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 508118603
Side View
Table 58.0%Crown 43.4°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 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 6
Current: $7,916 NZD|Low: $2,713 NZD|High: $7,916 NZD|Avg: $4,519 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$2,713 NZD
Retailer 8$3,422 NZD
Retailer 7$3,456 NZD
Retailer 5$3,482 NZD
Retailer 9$3,786 NZD
Retailer 6$3,961 NZD
Retailer 10$4,369 NZD
Retailer 3$5,143 NZD
Retailer 4$6,615 NZD
NZ Jewellers$7,916 NZD

41 data points across 10 retailers

11 retailers$2,713 NZD to $7,916 NZD

B+
Cheapest Retailer
-
$2,713 NZD
B+
Retailer 2
-
$3,456 NZD
View
B+
Retailer 3
-
$3,482 NZD
View
Retailer 4
-
$3,786 NZD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$3,786 NZD
View
B
Retailer 6
-
$3,961 NZD
View
B
Retailer 7
-
$4,035 NZD
View
B
Retailer 8
-
$4,369 NZD
View
B
Retailer 9
-
$5,143 NZD
View
C
Retailer 10
-
$6,615 NZD
View
Most Expensive
C
NZ Jewellers
b324f108-aa85-437c-be58-3bc65136f93e · Nov 5
$7,916 NZD
$4,388 USD
View
10 more retailers have this diamond
Prices start from $2,713 NZDSave up to $5,202 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
$2,713 NZD