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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 $2,420 SGD
As of November 4, 2026
Save $3,183 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,603 SGD 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 $2,420 to $5,603, a $3,183 spread on the same certified stone. NZ Jewellers lists it at $5,603. 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: $2,599 SGD|Low: $2,473 SGD|High: $4,751 SGD|Avg: $3,238 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$2,473 SGD
Retailer 1$2,599 SGD
Retailer 7$2,804 SGD
Retailer 3$2,944 SGD
Retailer 4$3,271 SGD
Retailer 2$3,413 SGD
Retailer 5$4,695 SGD

40 data points across 7 retailers

16 retailers$2,420 SGD to $5,603 SGD

B+
Cheapest Retailer
-
$2,420 SGD
B+
Retailer 2
-
$2,473 SGD
View
Final sale: no returns
B+
Retailer 3
-
$2,570 SGD
View
B+
Retailer 4
-
$2,599 SGD
View
Retailer 5
-
$2,680 SGD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$2,680 SGD
View
B+
Retailer 7
-
$2,711 SGD
View
B+
Retailer 8
-
$2,804 SGD
View
B+
Retailer 9
-
$2,814 SGD
View
B+
Retailer 10
-
$2,857 SGD
View
B+
Retailer 11
-
$2,944 SGD
View
B
Retailer 12
-
$3,093 SGD
View
B
Retailer 13
-
$3,271 SGD
View
B
Retailer 14
-
$3,413 SGD
View
B
Retailer 15
-
$4,695 SGD
View
Most Expensive
C
NZ Jewellers
99d01654-99c1-40ff-be89-aa80444793a3 · Nov 5
$5,603 SGD
$4,372 USD
View
15 more retailers have this diamond
Prices start from $2,420 SGDSave up to $3,183 SGD

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
$2,420 SGD