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Oval|Natural|GIA

1.20ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 5426502642

Certificate GIA 5426502642

Diamond specifications and retailer prices

From HK$12,940 HKD
As of November 6, 2026
Save HK$23,363 HKD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$36,303 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5426502642. Listed at 17 retailers as of November 5, 2026, with prices from HK$12,940 to HK$36,303, a HK$23,363 spread on the same certified stone. NZ Jewellers lists it at HK$36,303. 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

1.20
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5426502642
Dimensions8.25 × 5.58 × 3.92 mm
L/W Ratio1.48
Top View
8.25 mm5.58 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5426502642
Side View
Table 60.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 70.3%

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 6
Current: HK$36,303 HKD|Low: HK$12,736 HKD|High: HK$36,483 HKD|Avg: HK$19,640 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
November 6, 2026
Retailer 12HK$12,940 HKD
Retailer 6HK$15,361 HKD
Retailer 7HK$15,761 HKD
Retailer 3HK$16,027 HKD
Retailer 2HK$17,305 HKD
Retailer 13HK$17,368 HKD
Retailer 15HK$17,368 HKD
Retailer 8HK$17,932 HKD
Retailer 5HK$18,167 HKD
Retailer 14HK$18,449 HKD
Retailer 10HK$18,865 HKD
Retailer 4HK$20,040 HKD
Retailer 9HK$21,561 HKD
Retailer 11HK$30,425 HKD
NZ JewellersHK$36,303 HKD

30 data points across 15 retailers

17 retailersHK$12,940 HKD to HK$36,303 HKD

A
Cheapest Retailer
-
HK$12,940 HKD
B+
Retailer 2
-
HK$15,361 HKD
View
B+
Retailer 3
-
HK$15,761 HKD
View
B+
Retailer 4
-
HK$16,027 HKD
View
Final sale: no returns
Retailer 5
-
HK$17,133 HKD
View
Price last confirmed 117 days ago
B+
Retailer 6
-
HK$17,258 HKD
View
B+
Retailer 7
-
HK$17,305 HKD
View
B+
Retailer 8
-
HK$17,368 HKD
View
Retailer 9
-
HK$17,368 HKD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
HK$17,932 HKD
View
B+
Retailer 11
-
HK$18,167 HKD
View
B+
Retailer 12
-
HK$18,449 HKD
View
B+
Retailer 13
-
HK$18,865 HKD
View
B
Retailer 14
-
HK$20,040 HKD
View
B+
Retailer 15
-
HK$21,561 HKD
View
B
Retailer 16
-
HK$30,425 HKD
View
Most Expensive
B
NZ Jewellers
6b445b4d-fc17-40f2-a953-984a79f3d77b · Nov 5
HK$36,303 HKD
$4,632 USD
View
16 more retailers have this diamond
Prices start from HK$12,940 HKDSave up to HK$23,363 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
1.20ct Oval
HK$12,940 HKD