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Oval|Natural|GIA

1.30ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 7556609890

Certificate GIA 7556609890

Diamond specifications and retailer prices

From HK$18,653 HKD
As of November 5, 2026
Save HK$24,139 HKD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$42,792 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural oval diamond

This 1.3ct natural oval sits in the one-and-a-quarter to one-and-a-half 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 7556609890. Listed at 21 retailers as of November 5, 2026, with prices from HK$18,653 to HK$42,792, a HK$24,139 spread on the same certified stone. NZ Jewellers lists it at HK$42,792. 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

1.30
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle37.8°
OriginNatural
Grading LabGIA
CertificateGIA 7556609890
Dimensions8.42 × 6.10 × 3.97 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Top View
8.42 mm6.10 mm1.30 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556609890
Side View
Table 58.0%Crown 38.9°Girdle: MED-STKPavilion 37.8°Culet: NDepth 65.0%

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 5
Current: HK$42,792 HKD|Low: HK$18,653 HKD|High: HK$44,172 HKD|Avg: HK$26,889 HKD|-3.1%
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
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 20HK$18,653 HKD
Retailer 7HK$19,931 HKD
Retailer 16HK$20,495 HKD
Retailer 18HK$20,542 HKD
Retailer 2HK$20,949 HKD
Retailer 11HK$21,137 HKD
Retailer 5HK$22,250 HKD
Retailer 12HK$22,964 HKD
Retailer 9HK$23,112 HKD
Retailer 15HK$25,260 HKD
Retailer 4HK$25,393 HKD
Retailer 6HK$25,393 HKD
Retailer 17HK$25,675 HKD
Retailer 13HK$26,177 HKD
Retailer 14HK$27,509 HKD
Retailer 3HK$29,124 HKD
Retailer 10HK$29,531 HKD
Retailer 19HK$29,978 HKD
Retailer 8HK$42,079 HKD
NZ JewellersHK$42,792 HKD

28 data points across 20 retailers

21 retailersHK$18,653 HKD to HK$42,792 HKD

A
Cheapest Retailer
-
HK$18,653 HKD
A
Retailer 2
-
HK$19,931 HKD
View
A
Retailer 3
-
HK$20,495 HKD
View
A
Retailer 4
-
HK$20,542 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$20,949 HKD
View
A
Retailer 6
-
HK$21,137 HKD
View
B+
Retailer 7
-
HK$22,250 HKD
View
Retailer 8
-
HK$22,964 HKD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$23,112 HKD
View
B+
Retailer 10
-
HK$25,260 HKD
View
B+
Retailer 11
-
HK$25,393 HKD
View
B+
Retailer 12
-
HK$25,393 HKD
View
B+
Retailer 13
-
HK$25,675 HKD
View
B+
Retailer 14
-
HK$26,177 HKD
View
B+
Retailer 15
-
HK$27,509 HKD
View
Retailer 16
-
HK$28,348 HKD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
HK$29,124 HKD
View
B+
Retailer 18
-
HK$29,531 HKD
View
B+
Retailer 19
-
HK$29,978 HKD
View
B
Retailer 20
-
HK$42,079 HKD
View
Most Expensive
B
NZ Jewellers
05f0da9f-f850-4587-9553-0258ab60831e · Nov 5
HK$42,792 HKD
$5,460 USD
View
20 more retailers have this diamond
Prices start from HK$18,653 HKDSave up to HK$24,139 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
1.30ct Oval
HK$18,653 HKD