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Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 2517859105

Certificate GIA 2517859105

Diamond specifications and retailer prices

From HK$25,067 HKD
$3,195 USD
As of October 30, 2026
Save HK$29,241 HKD (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$54,308 HKD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2517859105. Listed at 21 retailers as of October 30, 2026, with prices from HK$25,067 to HK$54,308, a HK$29,241 spread on the same certified stone. NZ Jewellers lists it at HK$54,308. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2517859105
Dimensions8.50 × 5.91 × 3.73 mm
L/W Ratio1.44
Top View
8.50 mm5.91 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2517859105
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$54,308 HKD|Low: HK$25,067 HKD|High: HK$54,308 HKD|Avg: HK$35,138 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10HK$25,067 HKD
Retailer 7HK$26,063 HKD
Retailer 9HK$27,146 HKD
Retailer 3HK$28,245 HKD
Retailer 2HK$29,096 HKD
Retailer 11HK$32,583 HKD
Retailer 8HK$33,392 HKD
Retailer 5HK$35,283 HKD
Retailer 4HK$38,319 HKD
Retailer 6HK$52,411 HKD
NZ JewellersHK$54,308 HKD

43 data points across 11 retailers

21 retailersHK$25,067 HKD to HK$54,308 HKD

B
Cheapest Retailer
-
HK$25,067 HKD
$3,195 USD
B
Retailer 2
-
HK$26,063 HKD
$3,322 USD
View
Final sale: no returns
B
Retailer 3
-
HK$26,526 HKD
$3,381 USD
View
B
Retailer 4
-
HK$26,542 HKD
$3,383 USD
View
B
Retailer 5
-
HK$27,146 HKD
$3,460 USD
View
B
Retailer 6
-
HK$28,245 HKD
$3,600 USD
View
B
Retailer 7
-
HK$28,245 HKD
$3,600 USD
View
B
Retailer 8
-
HK$28,273 HKD
$3,604 USD
View
B
Retailer 9
-
HK$29,096 HKD
£2,920 GBP
View
B
Retailer 10
-
HK$29,327 HKD
$3,738 USD
View
B
Retailer 11
-
HK$30,755 HKD
$3,920 USD
View
B
Retailer 12
-
HK$30,755 HKD
$3,920 USD
View
B
Retailer 13
-
HK$31,775 HKD
$4,050 USD
View
B
Retailer 14
-
HK$32,026 HKD
$4,082 USD
View
B
Retailer 15
-
HK$32,583 HKD
$4,153 USD
View
B
Retailer 16
-
HK$33,368 HKD
$4,253 USD
View
Retailer 17
-
HK$33,392 HKD
A$6,548 AUD
View
Price last confirmed 23 days ago
B
Retailer 18
-
HK$35,283 HKD
€4,283 EUR
View
B
Retailer 19
-
HK$38,319 HKD
ZAR 78,902 ZAR
View
B
Retailer 20
-
HK$52,411 HKD
£5,260 GBP
View
Most Expensive
B
NZ Jewellers
94f23248-e435-4f68-8375-fba0ae641fd8 · Oct 30
HK$54,308 HKD
$6,922 USD
View
20 more retailers have this diamond
Prices start from HK$25,067 HKDSave up to HK$29,241 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.

B
1.20ct Oval
HK$25,067 HKD