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Round|Natural|GIA

1.01ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6555990915

Certificate GIA 6555990915

Diamond specifications and retailer prices

From HK$11,642 HKD
As of November 6, 2026
Save HK$8,253 HKD (41%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$38,528 HKD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 6555990915. Listed at 18 retailers as of November 2, 2026, with a 71% 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

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555990915
Dimensions6.46 × 6.50 × 3.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.46 mm6.50 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555990915
Side View
Table 59.0%Crown 31.5°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 60.6%

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 6
Current: HK$38,528 HKD|Low: HK$11,642 HKD|High: HK$38,528 HKD|Avg: HK$17,820 HKD|+13.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 3HK$11,642 HKD
Retailer 2HK$11,744 HKD
Retailer 9HK$14,208 HKD
Retailer 15HK$14,576 HKD
Retailer 14HK$14,961 HKD
Retailer 13HK$15,612 HKD
Retailer 4HK$16,083 HKD
Retailer 8HK$16,263 HKD
Retailer 6HK$16,294 HKD
Retailer 7HK$18,224 HKD
Retailer 5HK$18,672 HKD
Retailer 12HK$19,056 HKD
Retailer 10HK$19,182 HKD
Retailer 16HK$19,229 HKD
Retailer 11HK$19,895 HKD
Retailer 17HK$27,701 HKD
NZ JewellersHK$38,528 HKD

34 data points across 17 retailers

18 retailersHK$11,642 HKD to HK$19,895 HKD

A
Cheapest Retailer
-
HK$11,642 HKD
A
Retailer 2
-
HK$11,744 HKD
View
A
Retailer 3
-
HK$14,208 HKD
View
B+
Retailer 4
-
HK$14,576 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$14,961 HKD
View
B+
Retailer 6
-
HK$15,612 HKD
View
Retailer 7
-
HK$16,083 HKD
View
Price last confirmed 6 days ago
Retailer 8
-
HK$16,263 HKD
View
Price last confirmed 17 days ago
Retailer 9
-
HK$16,294 HKD
View
Price last confirmed 10 days ago
Retailer 10
-
HK$18,224 HKD
View
Price last confirmed 16 days ago
Retailer 11
-
HK$18,672 HKD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
HK$19,056 HKD
View
B
Retailer 13
-
HK$19,182 HKD
View
Retailer 14
-
HK$19,229 HKD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
HK$19,895 HKD
View
Retailer 16
-
HK$20,241 HKD
View
Price last confirmed 38 days ago
Retailer 17
-
HK$27,701 HKD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
75b2570f-b837-4fda-83f1-86336c1fa6fc · Oct 20
HK$38,528 HKD
$4,911 USD
View
Price last confirmed 17 days ago
17 more retailers have this diamond
Prices start from HK$11,642 HKDSave up to HK$8,253 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
1.01ct Round
HK$11,642 HKD