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Round|Natural|GIA

1.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2526041324

Certificate GIA 2526041324

Diamond specifications and retailer prices

From HK$16,874 HKD
As of November 6, 2026
Save HK$30,072 HKD (64%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: HK$46,946 HKD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2526041324. Listed at 27 retailers as of November 5, 2026, with a 178% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2526041324
Dimensions6.78 × 6.74 × 4.21 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.78 mm6.74 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2526041324
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: Nov 6
Current: HK$21,490 HKD|Low: HK$16,874 HKD|High: HK$38,011 HKD|Avg: HK$23,420 HKD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7HK$16,874 HKD
Retailer 2HK$18,214 HKD
Retailer 10HK$18,771 HKD
Retailer 9HK$19,570 HKD
Retailer 8HK$20,346 HKD
Retailer 1HK$21,490 HKD
Retailer 3HK$23,630 HKD
Retailer 5HK$26,083 HKD
Retailer 4HK$26,420 HKD
Retailer 6HK$37,455 HKD

37 data points across 10 retailers

27 retailersHK$16,874 HKD to HK$46,946 HKD

A
Cheapest Retailer
-
HK$16,874 HKD
B+
Retailer 2
-
HK$18,214 HKD
View
B+
Retailer 3
-
HK$18,771 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$19,570 HKD
View
Retailer 5
-
HK$20,346 HKD
View
Price last confirmed 29 days ago
Retailer 6
-
HK$20,346 HKD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$20,346 HKD
View
Price last confirmed 50 days ago
Retailer 8
-
HK$20,346 HKD
View
Price last confirmed 21 days ago
Retailer 9
-
HK$20,346 HKD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
HK$20,652 HKD
View
Retailer 11
-
HK$21,286 HKD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
HK$21,490 HKD
View
B
Retailer 13
-
HK$22,415 HKD
View
B
Retailer 14
-
HK$22,415 HKD
View
B
Retailer 15
-
HK$23,120 HKD
View
Retailer 16
-
HK$23,473 HKD
View
Price last confirmed 28 days ago
Retailer 17
-
HK$23,473 HKD
View
Price last confirmed 45 days ago
Retailer 18
-
HK$23,473 HKD
View
Price last confirmed 16 days ago
B+
Retailer 19
-
HK$23,473 HKD
View
B+
Retailer 20
-
HK$23,630 HKD
View
B
Retailer 21
-
HK$26,083 HKD
View
B
Retailer 22
-
HK$26,420 HKD
View
B
Retailer 23
-
HK$37,455 HKD
View
Retailer 24
-
HK$46,946 HKD
View
Price last confirmed 39 days ago
B
Retailer 25
-
HK$46,946 HKD
View
Retailer 26
-
HK$46,946 HKD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
9811674a-166a-49bf-a6c5-2c336768c947 · Oct 20
HK$46,946 HKD
$5,990 USD
View
Price last confirmed 17 days ago
26 more retailers have this diamond
Prices start from HK$16,874 HKDSave up to HK$30,072 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 Round
HK$16,874 HKD