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Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7421614155

Certificate GIA 7421614155

Diamond specifications and retailer prices

From HK$12,176 HKD
As of October 31, 2026
Save HK$23,002 HKD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$35,178 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7421614155. Listed at 20 retailers as of October 31, 2026, with prices from HK$12,176 to HK$35,178, a HK$23,002 spread on the same certified stone. NZ Jewellers lists it at HK$35,178. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7421614155
Dimensions6.30 × 6.22 × 4.01 mm
L/W Ratio1.01
Top View
6.30 mm6.22 mm1.00 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7421614155
Side View
Table 58.0%Crown 37°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 64.0%

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$17,055 HKD|Low: HK$12,144 HKD|High: HK$29,835 HKD|Avg: HK$18,682 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8HK$12,176 HKD
Retailer 9HK$12,246 HKD
Retailer 7HK$15,267 HKD
Retailer 10HK$15,526 HKD
Retailer 1HK$17,055 HKD
Retailer 4HK$18,169 HKD
Retailer 3HK$20,539 HKD
Retailer 6HK$20,633 HKD
Retailer 2HK$20,688 HKD
Retailer 5HK$29,474 HKD

38 data points across 10 retailers

20 retailersHK$12,176 HKD to HK$35,178 HKD

A
Cheapest Retailer
-
HK$12,176 HKD
A
Retailer 2
-
HK$12,246 HKD
View
B+
Retailer 3
-
HK$14,882 HKD
View
Retailer 4
-
HK$15,008 HKD
View
Price last confirmed 82 days ago
B+
Retailer 5
-
HK$15,267 HKD
View
B+
Retailer 6
-
HK$15,526 HKD
View
Final sale: no returns
Retailer 7
-
HK$16,828 HKD
View
Price last confirmed 8 days ago
B
Retailer 8
-
HK$16,828 HKD
View
B
Retailer 9
-
HK$16,985 HKD
View
B
Retailer 10
-
HK$17,055 HKD
View
B
Retailer 11
-
HK$17,605 HKD
View
B
Retailer 12
-
HK$17,911 HKD
View
B
Retailer 13
-
HK$18,169 HKD
View
B
Retailer 14
-
HK$19,417 HKD
View
B
Retailer 15
-
HK$20,539 HKD
View
B
Retailer 16
-
HK$20,633 HKD
View
Retailer 17
-
HK$20,688 HKD
View
Price last confirmed 31 days ago
B
Retailer 18
-
HK$27,325 HKD
View
B
Retailer 19
-
HK$29,474 HKD
View
Most Expensive
C
NZ Jewellers
810c9545-2c13-417f-bec6-102fb59b971f · Nov 5
HK$35,178 HKD
$4,484 USD
View
19 more retailers have this diamond
Prices start from HK$12,176 HKDSave up to HK$23,002 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
1.00ct Round
HK$12,176 HKD