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Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2554908315

Certificate GIA 2554908315

Diamond specifications and retailer prices

From HK$13,065 HKD
As of November 5, 2026
Save HK$11,622 HKD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$24,687 HKD at Wholesale Diamonds Direct · As of November 6, 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 2554908315. Listed at 8 retailers as of November 5, 2026, with prices from HK$13,065 to HK$24,687, a HK$11,622 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$24,687. 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°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2554908315
Dimensions6.80 × 6.76 × 4.15 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.80 mm6.76 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554908315
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NDepth 61.3%

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: Nov 5
Current: HK$14,930 HKD|Low: HK$12,987 HKD|High: HK$26,920 HKD|Avg: HK$19,538 HKD|-10.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 3HK$13,065 HKD
Retailer 1HK$14,930 HKD
Retailer 2HK$15,220 HKD
Retailer 7HK$16,396 HKD
Retailer 4HK$19,006 HKD
Retailer 6HK$19,225 HKD
Retailer 8HK$22,815 HKD
Retailer 5HK$22,948 HKD
Wholesale Diamonds DirectHK$24,687 HKD

29 data points across 9 retailers

8 retailersHK$13,065 HKD to HK$24,687 HKD

A
Cheapest Retailer
-
HK$13,065 HKD
A
Retailer 2
-
HK$14,930 HKD
View
A
Retailer 3
-
HK$15,220 HKD
View
A
Retailer 4
-
HK$16,396 HKD
View
B+
Retailer 5
-
HK$19,006 HKD
View
B+
Retailer 6
-
HK$19,225 HKD
View
B
Retailer 7
-
HK$22,948 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
611346681 · Nov 6
HK$24,687 HKD
$3,150 USD
View
7 more retailers have this diamond
Prices start from HK$13,065 HKDSave up to HK$11,622 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$13,065 HKD