CaratHunter
Plans
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 $2,748 AUD
As of November 7, 2026
Save $3,615 AUD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,363 AUD at NZ Jewellers · As of November 7, 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 19 retailers as of November 7, 2026, with prices from $2,748 to $6,363, a $3,615 spread on the same certified stone. NZ Jewellers lists it at $6,363. 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 7
Current: $3,315 AUD|Low: $2,809 AUD|High: $5,389 AUD|Avg: $3,628 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 9$2,809 AUD
Retailer 2$2,966 AUD
Retailer 3$2,970 AUD
Retailer 4$3,250 AUD
Retailer 1$3,315 AUD
Retailer 5$3,362 AUD
Retailer 7$3,714 AUD
Retailer 6$3,876 AUD
Retailer 8$5,331 AUD

39 data points across 9 retailers

19 retailers$2,748 AUD to $6,363 AUD

B+
Cheapest Retailer
-
$2,748 AUD
B+
Retailer 2
-
$2,809 AUD
View
Final sale: no returns
B+
Retailer 3
-
$2,918 AUD
View
B+
Retailer 4
-
$2,966 AUD
View
B+
Retailer 5
-
$2,970 AUD
View
Retailer 6
-
$3,043 AUD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$3,043 AUD
View
B+
Retailer 8
-
$3,078 AUD
View
B+
Retailer 9
-
$3,184 AUD
View
Retailer 10
-
$3,196 AUD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$3,244 AUD
View
B+
Retailer 12
-
$3,250 AUD
View
B+
Retailer 13
-
$3,315 AUD
View
B+
Retailer 14
-
$3,362 AUD
View
B
Retailer 15
-
$3,512 AUD
View
B
Retailer 16
-
$3,714 AUD
View
B
Retailer 17
-
$3,876 AUD
View
B
Retailer 18
-
$5,331 AUD
View
Most Expensive
C
NZ Jewellers
99d01654-99c1-40ff-be89-aa80444793a3 · Nov 7
$6,363 AUD
$4,372 USD
View
18 more retailers have this diamond
Prices start from $2,748 AUDSave up to $3,615 AUD

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
$2,748 AUD