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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2243070990

Certificate GIA 2243070990

Diamond specifications and retailer prices

From HK$10,873 HKD
As of November 5, 2026
Save HK$9,717 HKD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$20,591 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1ct natural round diamond

This 1ct 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 2243070990. Listed at 10 retailers as of November 5, 2026, with prices from HK$10,873 to HK$20,591, a HK$9,717 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$20,591. 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

1.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2243070990
Dimensions6.36 × 4.01 × 4.01 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.36 mm4.01 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2243070990
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

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$13,910 HKD|Low: HK$10,811 HKD|High: HK$21,833 HKD|Avg: HK$15,485 HKD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 3HK$10,873 HKD
Retailer 6HK$12,623 HKD
Retailer 5HK$12,835 HKD
Retailer 9HK$13,745 HKD
Retailer 1HK$13,910 HKD
Retailer 7HK$13,964 HKD
Retailer 4HK$16,287 HKD
Retailer 8HK$16,687 HKD
Retailer 2HK$17,636 HKD
Wholesale Diamonds DirectHK$20,591 HKD

43 data points across 10 retailers

10 retailersHK$10,873 HKD to HK$20,591 HKD

A
Cheapest Retailer
-
HK$10,873 HKD
A
Retailer 2
-
HK$12,623 HKD
View
A
Retailer 3
-
HK$12,835 HKD
View
A
Retailer 4
-
HK$13,745 HKD
View
A
Retailer 5
-
HK$13,910 HKD
View
B+
Retailer 6
-
HK$13,964 HKD
View
B+
Retailer 7
-
HK$16,287 HKD
View
B+
Retailer 8
-
HK$16,687 HKD
View
B+
Retailer 9
-
HK$17,636 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
481731588 · Nov 6
HK$20,591 HKD
$2,625 USD
View
9 more retailers have this diamond
Prices start from HK$10,873 HKDSave up to HK$9,717 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$10,873 HKD