Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 7551184900

Certificate GIA 7551184900

Diamond specifications and retailer prices

From HK$12,854 HKD
As of October 31, 2026
Save HK$22,561 HKD (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$35,415 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 7551184900. Listed at 23 retailers as of October 30, 2026, with prices from HK$12,854 to HK$35,415, a HK$22,561 spread on the same certified stone. NZ Jewellers lists it at HK$35,415. 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
FluorescenceFaint
Crown angle38.4°
Pavilion angle37.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551184900
Dimensions8.22 × 5.92 × 3.84 mm
L/W Ratio1.39
Girdle conditionFaceted
Top View
8.22 mm5.92 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551184900
Side View
Table 57.0%Crown 38.4°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$35,415 HKD|Low: HK$12,754 HKD|High: HK$36,459 HKD|Avg: HK$18,614 HKD|-2.9%
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
Retailer 21
Retailer 22
November 1, 2026
Retailer 17HK$12,854 HKD
Retailer 14HK$13,863 HKD
Retailer 12HK$14,169 HKD
Retailer 20HK$14,185 HKD
Retailer 9HK$14,719 HKD
Retailer 8HK$14,883 HKD
Retailer 6HK$15,346 HKD
Retailer 11HK$15,346 HKD
Retailer 4HK$15,652 HKD
Retailer 7HK$16,052 HKD
Retailer 5HK$16,099 HKD
Retailer 2HK$16,524 HKD
Retailer 21HK$17,025 HKD
Retailer 22HK$17,025 HKD
Retailer 3HK$17,653 HKD
Retailer 15HK$17,708 HKD
Retailer 16HK$18,586 HKD
Retailer 10HK$20,681 HKD
Retailer 18HK$20,821 HKD
Retailer 19HK$21,575 HKD
Retailer 13HK$29,673 HKD
NZ JewellersHK$35,415 HKD

24 data points across 22 retailers

23 retailersHK$12,854 HKD to HK$35,415 HKD

A
Cheapest Retailer
-
HK$12,854 HKD
A
Retailer 2
-
HK$13,863 HKD
$1,767 USD
View
B+
Retailer 3
-
HK$14,169 HKD
$1,806 USD
View
Final sale: no returns
A
Retailer 4
-
HK$14,185 HKD
$1,808 USD
View
A
Retailer 5
-
HK$14,719 HKD
$1,876 USD
View
A
Retailer 6
-
HK$14,883 HKD
$1,897 USD
View
B+
Retailer 7
-
HK$15,346 HKD
$1,956 USD
View
B+
Retailer 8
-
HK$15,346 HKD
$1,956 USD
View
B+
Retailer 9
-
HK$15,652 HKD
$1,995 USD
View
B+
Retailer 10
-
HK$16,052 HKD
$2,046 USD
View
B+
Retailer 11
-
HK$16,099 HKD
$2,052 USD
View
B+
Retailer 12
-
HK$16,524 HKD
£1,658 GBP
View
B+
Retailer 13
-
HK$17,025 HKD
$2,170 USD
View
B+
Retailer 14
-
HK$17,025 HKD
$2,170 USD
View
B+
Retailer 15
-
HK$17,653 HKD
$2,250 USD
View
B+
Retailer 16
-
HK$17,708 HKD
$2,257 USD
View
B+
Retailer 17
-
HK$18,586 HKD
£1,865 GBP
View
B
Retailer 18
-
HK$20,681 HKD
$2,636 USD
View
B+
Retailer 19
-
HK$20,821 HKD
ZAR 42,872 ZAR
View
B+
Retailer 20
-
HK$21,575 HKD
€2,619 EUR
View
Retailer 21
-
HK$21,952 HKD
A$4,305 AUD
View
Price last confirmed 25 days ago
B
Retailer 22
-
HK$29,673 HKD
£2,978 GBP
View
Most Expensive
B
NZ Jewellers
dc54fc18-cd9f-41be-b7cc-6cae77bc9f17 · Oct 30
HK$35,415 HKD
$4,514 USD
View
22 more retailers have this diamond
Prices start from HK$12,854 HKDSave up to HK$22,561 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$12,854 HKD