CaratHunter
Plans
Oval|Natural|IGI

1.21ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 823631655

Shape and cutting style on the report: Oval brilliant

Certificate IGI 823631655

Diamond specifications and retailer prices

From $3,022 NZD
As of November 1, 2026
Save $4,806 NZD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,827 NZD at NZ Jewellers · As of November 7, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 823631655. Listed at 17 retailers as of November 1, 2026, with prices from $3,022 to $7,827, a $4,806 spread on the same certified stone. NZ Jewellers lists it at $7,827. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle36.5°
OriginNatural
Grading LabIGI
CertificateIGI 823631655
Dimensions8.50 × 5.95 × 3.64 mm
L/W Ratio1.43
Girdle conditionFaceted
Top View
8.50 mm5.95 mm1.21 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 823631655
Side View
Table 59.0%Crown 31.4°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 61.2%

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 1
Current: $7,827 NZD|Low: $2,778 NZD|High: $8,336 NZD|Avg: $4,136 NZD|-6.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 9$3,022 NZD
Retailer 8$3,119 NZD
Retailer 7$3,391 NZD
Retailer 17$3,424 NZD
Retailer 6$3,509 NZD
Retailer 11$3,536 NZD
Retailer 16$3,541 NZD
Retailer 3$3,548 NZD
Retailer 2$3,691 NZD
Retailer 4$3,749 NZD
Retailer 5$3,914 NZD
Retailer 10$4,120 NZD
Retailer 13$4,176 NZD
Retailer 15$4,613 NZD
Retailer 14$5,013 NZD
Retailer 12$6,586 NZD
NZ Jewellers$7,827 NZD

30 data points across 17 retailers

17 retailers$3,022 NZD to $7,827 NZD

B+
Cheapest Retailer
-
$3,022 NZD
B+
Retailer 2
-
$3,119 NZD
View
B+
Retailer 3
-
$3,391 NZD
View
B+
Retailer 4
-
$3,424 NZD
View
B+
Retailer 5
-
$3,509 NZD
View
B+
Retailer 6
-
$3,536 NZD
View
B+
Retailer 7
-
$3,541 NZD
View
B+
Retailer 8
-
$3,548 NZD
View
B+
Retailer 9
-
$3,691 NZD
View
B+
Retailer 10
-
$3,749 NZD
View
B+
Retailer 11
-
$3,914 NZD
View
B
Retailer 12
-
$4,120 NZD
View
B
Retailer 13
-
$4,176 NZD
View
B
Retailer 14
-
$4,613 NZD
View
B
Retailer 15
-
$5,013 NZD
View
C
Retailer 16
-
$6,586 NZD
View
Most Expensive
C
NZ Jewellers
516db6b8-8eac-4ab3-ba15-a0d0fc2de4e0 · Nov 7
$7,827 NZD
$4,339 USD
View
16 more retailers have this diamond
Prices start from $3,022 NZDSave up to $4,806 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
$3,022 NZD