CaratHunter
Plans
Oval|Natural|GIA

1.00ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2557737366

Certificate GIA 2557737366

Diamond specifications and retailer prices

From HK$12,419 HKD
SGD 2,139 SGD
As of October 31, 2026
Save HK$22,393 HKD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$34,811 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 H 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 2557737366. Listed at 11 retailers as of October 30, 2026, with prices from HK$12,419 to HK$34,811, a HK$22,393 spread on the same certified stone. NZ Jewellers lists it at HK$34,811. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2557737366
Dimensions5.52 × 8.06 × 3.47 mm
L/W Ratio1.46
Top View
5.52 mm8.06 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2557737366
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.9%

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: Oct 31
Current: HK$34,811 HKD|Low: HK$12,419 HKD|High: HK$37,534 HKD|Avg: HK$18,841 HKD|-7.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10HK$12,419 HKD
Retailer 5HK$12,977 HKD
Retailer 7HK$13,963 HKD
Retailer 9HK$14,930 HKD
Retailer 6HK$15,001 HKD
Retailer 4HK$15,628 HKD
Retailer 8HK$16,476 HKD
Retailer 3HK$18,260 HKD
Retailer 11HK$19,648 HKD
Retailer 2HK$24,631 HKD
NZ JewellersHK$34,811 HKD

34 data points across 11 retailers

11 retailersHK$12,419 HKD to HK$34,811 HKD

A
Cheapest Retailer
-
HK$12,419 HKD
SGD 2,139 SGD
A
Retailer 2
-
HK$12,977 HKD
$1,654 USD
View
Final sale: no returns
A
Retailer 3
-
HK$13,963 HKD
£1,401 GBP
View
A
Retailer 4
-
HK$14,930 HKD
$1,903 USD
View
A
Retailer 5
-
HK$15,001 HKD
$1,912 USD
View
A
Retailer 6
-
HK$15,628 HKD
£1,568 GBP
View
Retailer 7
-
HK$15,927 HKD
$2,030 USD
View
Price last confirmed 37 days ago
B+
Retailer 8
-
HK$16,476 HKD
$2,100 USD
View
Retailer 9
-
HK$19,648 HKD
A$3,853 AUD
View
Price last confirmed 26 days ago
B+
Retailer 10
-
HK$24,631 HKD
£2,472 GBP
View
Most Expensive
B
NZ Jewellers
bfc39d84-7378-4c6b-94f4-80733e981a3e · Oct 30
HK$34,811 HKD
$4,437 USD
View
10 more retailers have this diamond
Prices start from HK$12,419 HKDSave up to HK$22,393 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$12,419 HKD