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Oval|Natural|GIA

1.00ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2558356053

Certificate GIA 2558356053

Diamond specifications and retailer prices

From HK$8,527 HKD
As of November 6, 2026
Save HK$18,434 HKD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$26,961 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2558356053. Listed at 13 retailers as of November 5, 2026, with prices from HK$8,527 to HK$26,961, a HK$18,434 spread on the same certified stone. NZ Jewellers lists it at HK$26,961. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558356053
Dimensions7.74 × 5.39 × 3.42 mm
L/W Ratio1.44
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Indented Natural, Needle, Natural
Top View
7.74 mm5.39 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558356053
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.4%

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$26,961 HKD|Low: HK$8,214 HKD|High: HK$26,961 HKD|Avg: HK$12,813 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10HK$8,527 HKD
Retailer 2HK$8,566 HKD
Retailer 11HK$10,204 HKD
Retailer 5HK$10,863 HKD
Retailer 7HK$11,051 HKD
Retailer 9HK$11,560 HKD
Retailer 3HK$11,874 HKD
Retailer 4HK$12,007 HKD
Retailer 12HK$12,250 HKD
Retailer 6HK$12,751 HKD
Retailer 8HK$20,189 HKD
NZ JewellersHK$26,961 HKD

40 data points across 12 retailers

13 retailersHK$8,527 HKD to HK$26,961 HKD

A
Cheapest Retailer
-
HK$8,527 HKD
A
Retailer 2
-
HK$8,566 HKD
View
A
Retailer 3
-
HK$10,204 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$10,863 HKD
View
A
Retailer 5
-
HK$11,051 HKD
View
A
Retailer 6
-
HK$11,560 HKD
View
Retailer 7
-
HK$11,874 HKD
View
Price last confirmed 11 days ago
A
Retailer 8
-
HK$12,007 HKD
View
A
Retailer 9
-
HK$12,250 HKD
View
A
Retailer 10
-
HK$12,751 HKD
View
Retailer 11
-
HK$12,751 HKD
View
Price last confirmed 19 days ago
B+
Retailer 12
-
HK$20,189 HKD
View
Most Expensive
B
NZ Jewellers
4ab644b7-f10c-4f88-84e5-a844dcc21166 · Nov 5
HK$26,961 HKD
$3,440 USD
View
12 more retailers have this diamond
Prices start from HK$8,527 HKDSave up to HK$18,434 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 Oval
HK$8,527 HKD