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Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566395736

Certificate GIA 2566395736

Diamond specifications and retailer prices

From HK$12,064 HKD
SGD 2,078 SGD
As of October 31, 2026
Save HK$11,259 HKD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$23,324 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566395736. Listed at 10 retailers as of October 26, 2026, with prices from HK$12,064 to HK$23,324, a HK$11,259 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$23,324. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566395736
Dimensions6.72 × 4.24 × 4.24 mm
L/W Ratio1.58
Culet sizeNone
Top View
6.72 mm4.24 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566395736
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.9%

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 31
Current: HK$15,586 HKD|Low: HK$12,064 HKD|High: HK$24,234 HKD|Avg: HK$17,633 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 1, 2026
Retailer 6HK$12,064 HKD
Retailer 3HK$14,067 HKD
Retailer 2HK$15,417 HKD
Retailer 8HK$15,455 HKD
Retailer 4HK$15,534 HKD
Retailer 1HK$15,586 HKD
Retailer 7HK$18,332 HKD
Retailer 9HK$18,832 HKD
Retailer 5HK$21,638 HKD
Wholesale Diamonds DirectHK$23,324 HKD

35 data points across 10 retailers

10 retailersHK$12,064 HKD to HK$23,324 HKD

A
Cheapest Retailer
-
HK$12,064 HKD
SGD 2,078 SGD
A
Retailer 2
-
HK$14,067 HKD
$1,793 USD
View
A
Retailer 3
-
HK$15,417 HKD
$1,965 USD
View
A
Retailer 4
-
HK$15,455 HKD
SGD 2,662 SGD
View
A
Retailer 5
-
HK$15,534 HKD
$1,980 USD
View
A
Retailer 6
-
HK$15,586 HKD
£1,564 GBP
View
B+
Retailer 7
-
HK$18,332 HKD
$2,337 USD
View
B+
Retailer 8
-
HK$18,832 HKD
£1,890 GBP
View
B
Retailer 9
-
HK$21,638 HKD
$2,758 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
571683449 · Oct 26
HK$23,324 HKD
$2,973 USD
View
9 more retailers have this diamond
Prices start from HK$12,064 HKDSave up to HK$11,259 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$12,064 HKD