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Oval|Natural|GIA

1.00ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 2558391525

Certificate GIA 2558391525

Diamond specifications and retailer prices

From HK$19,661 HKD
$2,506 USD
As of November 1, 2026
Save HK$26,801 HKD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$46,462 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded G 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 2558391525. Listed at 18 retailers as of October 30, 2026, with prices from HK$19,661 to HK$46,462, a HK$26,801 spread on the same certified stone. NZ Jewellers lists it at HK$46,462. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.71°
OriginNatural
Grading LabGIA
CertificateGIA 2558391525
Dimensions8.37 × 5.38 × 3.44 mm
L/W Ratio1.56
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Natural
Top View
8.37 mm5.38 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558391525
Side View
Table 53.0%Crown 35.71°GirdlePavilionCulet: NoneDepth 63.9%

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 1
Current: HK$46,462 HKD|Low: HK$18,900 HKD|High: HK$46,462 HKD|Avg: HK$25,206 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 4HK$19,661 HKD
Retailer 5HK$19,905 HKD
Retailer 3HK$20,485 HKD
Retailer 8HK$20,509 HKD
Retailer 2HK$21,679 HKD
Retailer 7HK$21,772 HKD
Retailer 16HK$22,227 HKD
Retailer 18HK$22,227 HKD
Retailer 17HK$23,082 HKD
Retailer 15HK$23,337 HKD
Retailer 12HK$23,759 HKD
Retailer 10HK$25,032 HKD
Retailer 6HK$25,316 HKD
Retailer 9HK$25,640 HKD
Retailer 14HK$26,016 HKD
Retailer 13HK$27,318 HKD
Retailer 11HK$38,939 HKD
NZ JewellersHK$46,462 HKD

32 data points across 18 retailers

18 retailersHK$19,661 HKD to HK$46,462 HKD

A
Cheapest Retailer
-
HK$19,661 HKD
$2,506 USD
A
Retailer 2
-
HK$19,905 HKD
$2,537 USD
View
B+
Retailer 3
-
HK$20,485 HKD
$2,611 USD
View
B+
Retailer 4
-
HK$20,509 HKD
$2,614 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$21,679 HKD
£2,176 GBP
View
B+
Retailer 6
-
HK$21,772 HKD
$2,775 USD
View
B+
Retailer 7
-
HK$22,227 HKD
$2,833 USD
View
B+
Retailer 8
-
HK$22,227 HKD
$2,833 USD
View
B+
Retailer 9
-
HK$23,082 HKD
$2,942 USD
View
B+
Retailer 10
-
HK$23,337 HKD
$2,975 USD
View
B+
Retailer 11
-
HK$23,759 HKD
£2,384 GBP
View
Retailer 12
-
HK$25,032 HKD
A$4,909 AUD
View
Price last confirmed 25 days ago
B
Retailer 13
-
HK$25,316 HKD
$3,227 USD
View
B
Retailer 14
-
HK$25,640 HKD
$3,268 USD
View
B
Retailer 15
-
HK$26,016 HKD
€3,158 EUR
View
B+
Retailer 16
-
HK$27,318 HKD
ZAR 56,250 ZAR
View
B
Retailer 17
-
HK$38,939 HKD
£3,908 GBP
View
Most Expensive
B
NZ Jewellers
e5cfa52c-735d-43c2-ba40-497b118d569b · Oct 30
HK$46,462 HKD
$5,922 USD
View
17 more retailers have this diamond
Prices start from HK$19,661 HKDSave up to HK$26,801 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$19,661 HKD