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Oval|Natural|GIA

1.23ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 5536897286

Certificate GIA 5536897286

Diamond specifications and retailer prices

From HK$14,444 HKD
As of November 2, 2026
Save HK$26,624 HKD (65%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$41,068 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536897286. Listed at 18 retailers as of November 2, 2026, with prices from HK$14,444 to HK$41,068, a HK$26,624 spread on the same certified stone. NZ Jewellers lists it at HK$41,068. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.23
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle39.9°
OriginNatural
Grading LabGIA
CertificateGIA 5536897286
Dimensions8.23 × 5.95 × 3.85 mm
L/W Ratio1.38
Top View
8.23 mm5.95 mm1.23 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536897286
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 39.9°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$41,068 HKD|Low: HK$14,241 HKD|High: HK$41,068 HKD|Avg: HK$20,457 HKD|+0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 15HK$14,444 HKD
Retailer 7HK$15,291 HKD
Retailer 2HK$15,839 HKD
Retailer 4HK$16,419 HKD
Retailer 9HK$16,858 HKD
Retailer 8HK$16,866 HKD
Retailer 11HK$17,830 HKD
Retailer 3HK$18,206 HKD
Retailer 5HK$18,575 HKD
Retailer 12HK$18,731 HKD
Retailer 16HK$19,155 HKD
Retailer 14HK$20,181 HKD
Retailer 6HK$24,014 HKD
Retailer 17HK$24,531 HKD
Retailer 10HK$29,210 HKD
Retailer 13HK$34,414 HKD
NZ JewellersHK$41,068 HKD

24 data points across 17 retailers

18 retailersHK$14,444 HKD to HK$41,068 HKD

A
Cheapest Retailer
-
HK$14,444 HKD
A
Retailer 2
-
HK$15,291 HKD
View
A
Retailer 3
-
HK$15,839 HKD
View
B+
Retailer 4
-
HK$16,419 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$16,858 HKD
View
B+
Retailer 6
-
HK$16,866 HKD
View
B+
Retailer 7
-
HK$17,830 HKD
View
B+
Retailer 8
-
HK$18,206 HKD
View
B+
Retailer 9
-
HK$18,575 HKD
View
B+
Retailer 10
-
HK$18,731 HKD
View
B+
Retailer 11
-
HK$19,155 HKD
View
B+
Retailer 12
-
HK$20,181 HKD
View
Retailer 13
-
HK$22,125 HKD
View
Price last confirmed 30 days ago
B
Retailer 14
-
HK$24,014 HKD
View
B
Retailer 15
-
HK$24,531 HKD
View
B
Retailer 16
-
HK$29,210 HKD
View
B
Retailer 17
-
HK$34,414 HKD
View
Most Expensive
B
NZ Jewellers
2f0773d7-3dae-4c80-acf8-fb50dee7c93d · Nov 2
HK$41,068 HKD
$5,240 USD
View
17 more retailers have this diamond
Prices start from HK$14,444 HKDSave up to HK$26,624 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$14,444 HKD