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Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1543029754

Certificate GIA 1543029754

Diamond specifications and retailer prices

From HK$10,445 HKD
As of October 30, 2026
Save HK$24,589 HKD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$35,034 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 1543029754. Listed at 10 retailers as of October 30, 2026, with prices from HK$10,445 to HK$35,034, a HK$24,589 spread on the same certified stone. NZ Jewellers lists it at HK$35,034. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.13°
OriginNatural
Grading LabGIA
CertificateGIA 1543029754
Dimensions8.19 × 5.84 × 3.71 mm
L/W Ratio1.40
Key to symbols
Crystal, Knot, Feather, Needle
Top View
8.19 mm5.84 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543029754
Side View
Table 60.0%CrownGirdle: STK-THKPavilion 35.13°Culet: NoneDepth 63.5%

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: Oct 30
Current: HK$35,034 HKD|Low: HK$10,445 HKD|High: HK$35,034 HKD|Avg: HK$17,929 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10HK$10,445 HKD
Retailer 11HK$13,818 HKD
Retailer 6HK$14,367 HKD
Retailer 12HK$14,602 HKD
Retailer 9HK$14,667 HKD
Retailer 7HK$15,026 HKD
Retailer 8HK$15,905 HKD
Retailer 5HK$19,715 HKD
Retailer 4HK$20,228 HKD
Retailer 3HK$21,430 HKD
Retailer 2HK$25,301 HKD
NZ JewellersHK$35,034 HKD

31 data points across 12 retailers

10 retailersHK$10,445 HKD to HK$35,034 HKD

A
Cheapest Retailer
-
HK$10,445 HKD
A
Retailer 2
-
HK$13,818 HKD
$1,761 USD
View
A
Retailer 3
-
HK$14,367 HKD
$1,831 USD
View
B+
Retailer 4
-
HK$14,602 HKD
$1,861 USD
View
Final sale: no returns
A
Retailer 5
-
HK$14,667 HKD
SGD 2,526 SGD
View
A
Retailer 6
-
HK$15,026 HKD
$1,915 USD
View
B+
Retailer 7
-
HK$15,905 HKD
$2,027 USD
View
B+
Retailer 8
-
HK$19,715 HKD
€2,393 EUR
View
B
Retailer 9
-
HK$25,301 HKD
£2,539 GBP
View
Most Expensive
B
NZ Jewellers
e8d40a08-bbda-461f-9049-c2ef64dd678a · Oct 30
HK$35,034 HKD
$4,465 USD
View
9 more retailers have this diamond
Prices start from HK$10,445 HKDSave up to HK$24,589 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$10,445 HKD