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Oval|Natural|GIA

1.00ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 6381650117

Certificate GIA 6381650117

Diamond specifications and retailer prices

From HK$14,045 HKD
As of November 6, 2026
Save HK$25,189 HKD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$39,234 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6381650117. Listed at 20 retailers as of November 5, 2026, with prices from HK$14,045 to HK$39,234, a HK$25,189 spread on the same certified stone. NZ Jewellers lists it at HK$39,234. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6381650117
Dimensions7.55 × 5.49 × 3.55 mm
L/W Ratio1.38
Top View
7.55 mm5.49 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6381650117
Side View
Table 56.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$23,301 HKD|Low: HK$12,994 HKD|High: HK$33,270 HKD|Avg: HK$19,818 HKD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6HK$14,045 HKD
Retailer 3HK$15,228 HKD
Retailer 10HK$15,353 HKD
Retailer 9HK$15,690 HKD
Retailer 8HK$15,753 HKD
Retailer 2HK$17,783 HKD
Retailer 4HK$19,852 HKD
Retailer 5HK$22,901 HKD
Retailer 11HK$23,097 HKD
Retailer 1HK$23,301 HKD
Retailer 7HK$33,050 HKD

45 data points across 11 retailers

20 retailersHK$14,045 HKD to HK$39,234 HKD

B+
Cheapest Retailer
-
HK$14,045 HKD
B+
Retailer 2
-
HK$15,228 HKD
View
B+
Retailer 3
-
HK$15,353 HKD
View
B+
Retailer 4
-
HK$15,690 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$15,753 HKD
View
B
Retailer 6
-
HK$16,545 HKD
View
B
Retailer 7
-
HK$16,999 HKD
View
Retailer 8
-
HK$16,999 HKD
View
Price last confirmed 8 days ago
B
Retailer 9
-
HK$17,125 HKD
View
B+
Retailer 10
-
HK$17,783 HKD
View
B
Retailer 11
-
HK$19,617 HKD
View
B
Retailer 12
-
HK$19,672 HKD
View
B
Retailer 13
-
HK$19,672 HKD
View
B
Retailer 14
-
HK$19,852 HKD
View
B
Retailer 15
-
HK$20,299 HKD
View
B
Retailer 16
-
HK$22,901 HKD
View
Retailer 17
-
HK$23,097 HKD
View
Price last confirmed 30 days ago
B
Retailer 18
-
HK$23,301 HKD
View
Retailer 19
-
HK$33,050 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
6dbc399b-6a58-4cd3-b752-a1f499bf20e2 · Nov 5
HK$39,234 HKD
$5,006 USD
View
19 more retailers have this diamond
Prices start from HK$14,045 HKDSave up to HK$25,189 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.

B+
1.00ct Oval
HK$14,045 HKD