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Oval|Natural|IGI

1.23ct J SI1 Oval Natural Diamond

VG • J/SI1 • IGI 747550042

Shape and cutting style on the report: Oval brilliant

Certificate IGI 747550042

Diamond specifications and retailer prices

From HK$12,900 HKD
As of November 2, 2026
Save HK$19,374 HKD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$32,274 HKD at NZ Jewellers · As of November 2, 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 747550042. Listed at 7 retailers as of November 2, 2026, with prices from HK$12,900 to HK$32,274, a HK$19,374 spread on the same certified stone. NZ Jewellers lists it at HK$32,274. 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 angle38.4°
Pavilion angle37.1°
OriginNatural
Grading LabIGI
CertificateIGI 747550042
Dimensions8.62 × 5.74 × 3.72 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Top View
8.62 mm5.74 mm1.23 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 747550042
Side View
Table 59.0%Crown 38.4°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$32,274 HKD|Low: HK$12,563 HKD|High: HK$33,050 HKD|Avg: HK$18,092 HKD|-2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4HK$12,900 HKD
Retailer 2HK$12,955 HKD
Retailer 7HK$13,230 HKD
Retailer 6HK$13,841 HKD
Retailer 3HK$13,911 HKD
Retailer 5HK$23,175 HKD
NZ JewellersHK$32,274 HKD

41 data points across 7 retailers

7 retailersHK$12,900 HKD to HK$32,274 HKD

A
Cheapest Retailer
-
HK$12,900 HKD
A
Retailer 2
-
HK$12,955 HKD
View
A
Retailer 3
-
HK$13,230 HKD
View
B+
Retailer 4
-
HK$13,841 HKD
View
A
Retailer 5
-
HK$13,911 HKD
View
B
Retailer 6
-
HK$23,175 HKD
View
Most Expensive
B
NZ Jewellers
73c26d6c-d7c4-4129-ab6a-991a45b7109b · Nov 2
HK$32,274 HKD
$4,118 USD
View
6 more retailers have this diamond
Prices start from HK$12,900 HKDSave up to HK$19,374 HKD

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.

A
1.23ct Oval
HK$12,900 HKD