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Oval|Natural|IGI

1.23ct J SI1 Oval Natural Diamond

VG • J/SI1 • IGI 790682893

Shape and cutting style on the report: Oval brilliant

Certificate IGI 790682893

Diamond specifications and retailer prices

From $3,406 NZD
As of November 4, 2026
Save $4,481 NZD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,887 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural oval diamond

This 1.23ct natural oval sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 790682893. Listed at 16 retailers as of November 4, 2026, with prices from $3,406 to $7,887, a $4,481 spread on the same certified stone. NZ Jewellers lists it at $7,887. 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

1.23
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle35.6°
OriginNatural
Grading LabIGI
CertificateIGI 790682893
Dimensions8.56 × 5.93 × 3.79 mm
L/W Ratio1.44
Girdle conditionFaceted
Top View
8.56 mm5.93 mm1.23 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 790682893
Side View
Table 56.0%Crown 38.5°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 63.9%

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 4
Current: $3,658 NZD|Low: $3,482 NZD|High: $6,687 NZD|Avg: $4,558 NZD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$3,482 NZD
Retailer 1$3,658 NZD
Retailer 7$3,947 NZD
Retailer 3$4,144 NZD
Retailer 4$4,604 NZD
Retailer 2$4,804 NZD
Retailer 5$6,608 NZD

40 data points across 7 retailers

16 retailers$3,406 NZD to $7,887 NZD

B+
Cheapest Retailer
-
$3,406 NZD
B+
Retailer 2
-
$3,482 NZD
View
Final sale: no returns
B+
Retailer 3
-
$3,617 NZD
View
B+
Retailer 4
-
$3,658 NZD
View
Retailer 5
-
$3,772 NZD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$3,772 NZD
View
B+
Retailer 7
-
$3,815 NZD
View
B+
Retailer 8
-
$3,947 NZD
View
B+
Retailer 9
-
$3,961 NZD
View
B+
Retailer 10
-
$4,021 NZD
View
B+
Retailer 11
-
$4,144 NZD
View
B
Retailer 12
-
$4,353 NZD
View
B
Retailer 13
-
$4,604 NZD
View
B
Retailer 14
-
$4,804 NZD
View
B
Retailer 15
-
$6,608 NZD
View
Most Expensive
C
NZ Jewellers
99d01654-99c1-40ff-be89-aa80444793a3 · Nov 5
$7,887 NZD
$4,372 USD
View
15 more retailers have this diamond
Prices start from $3,406 NZDSave up to $4,481 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+
1.23ct Oval
$3,406 NZD