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 $1,888 USD
As of November 4, 2026
Save $2,484 USD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,372 USD 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 $1,888 to $4,372, a $2,484 spread on the same certified stone. NZ Jewellers lists it at $4,372. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,028 USD|Low: $1,930 USD|High: $3,707 USD|Avg: $2,527 USD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$1,930 USD
Retailer 1$2,028 USD
Retailer 7$2,188 USD
Retailer 3$2,297 USD
Retailer 4$2,552 USD
Retailer 2$2,663 USD
Retailer 5$3,663 USD

40 data points across 7 retailers

16 retailers$1,888 USD to $4,372 USD

B+
Cheapest Retailer
-
$1,888 USD
B+
Retailer 2
-
$1,930 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,005 USD
View
B+
Retailer 4
-
$2,028 USD
View
Retailer 5
-
$2,091 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$2,091 USD
View
B+
Retailer 7
-
$2,115 USD
View
B+
Retailer 8
-
$2,188 USD
View
B+
Retailer 9
-
$2,196 USD
View
B+
Retailer 10
-
$2,229 USD
View
B+
Retailer 11
-
$2,297 USD
View
B
Retailer 12
-
$2,413 USD
View
B
Retailer 13
-
$2,552 USD
View
B
Retailer 14
-
$2,663 USD
View
B
Retailer 15
-
$3,663 USD
View
Most Expensive
C
NZ Jewellers
99d01654-99c1-40ff-be89-aa80444793a3 · Nov 5
$4,372 USD
View
15 more retailers have this diamond
Prices start from $1,888 USDSave up to $2,484 USD

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
$1,888 USD