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Oval|Natural|GIA

1.00ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1558951120

Certificate GIA 1558951120

Diamond specifications and retailer prices

From HK$17,243 HKD
SGD 2,970 SGD
As of October 29, 2026
Save HK$14,940 HKD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$32,183 HKD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558951120. Listed at 14 retailers as of October 29, 2026, with prices from HK$17,243 to HK$32,183, a HK$14,940 spread on the same certified stone. Helzberg Diamonds lists it at HK$32,183. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.81°
Pavilion angle40.7°
OriginNatural
Grading LabGIA
CertificateGIA 1558951120
Dimensions7.89 × 5.68 × 3.54 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.89 mm5.68 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558951120
Side View
Table 61.0%Crown 39.81°Girdle: THN-THKPavilion 40.7°Culet: NoneDepth 62.3%

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 29
Current: HK$32,183 HKD|Low: HK$17,243 HKD|High: HK$34,215 HKD|Avg: HK$23,293 HKD|-5.9%
Helzberg Diamonds
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
October 30, 2026
Retailer 12HK$17,243 HKD
Retailer 10HK$18,406 HKD
Retailer 11HK$18,610 HKD
Retailer 13HK$18,729 HKD
Retailer 9HK$19,144 HKD
Retailer 7HK$20,191 HKD
Retailer 5HK$20,384 HKD
Retailer 14HK$22,054 HKD
Retailer 4HK$23,060 HKD
Retailer 2HK$23,490 HKD
Retailer 8HK$24,113 HKD
Retailer 6HK$28,543 HKD
Retailer 3HK$30,846 HKD
Helzberg DiamondsHK$32,183 HKD

32 data points across 14 retailers

14 retailersHK$17,243 HKD to HK$32,183 HKD

A
Cheapest Retailer
-
HK$17,243 HKD
SGD 2,970 SGD
A
Retailer 2
-
HK$18,406 HKD
$2,346 USD
View
A
Retailer 3
-
HK$18,610 HKD
$2,372 USD
View
A
Retailer 4
-
HK$18,729 HKD
$2,387 USD
View
A
Retailer 5
-
HK$19,144 HKD
$2,440 USD
View
A
Retailer 6
-
HK$20,191 HKD
£2,026 GBP
View
A
Retailer 7
-
HK$20,384 HKD
SGD 3,511 SGD
View
A
Retailer 8
-
HK$22,054 HKD
$2,811 USD
View
A
Retailer 9
-
HK$23,060 HKD
$2,939 USD
View
B+
Retailer 10
-
HK$23,490 HKD
$2,994 USD
View
B+
Retailer 11
-
HK$24,113 HKD
€2,927 EUR
View
B+
Retailer 12
-
HK$28,543 HKD
$3,638 USD
View
B+
Retailer 13
-
HK$30,846 HKD
$3,932 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRHLLOPLHHIG · Oct 30
HK$32,183 HKD
$4,102 USD
View
13 more retailers have this diamond
Prices start from HK$17,243 HKDSave up to HK$14,940 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$17,243 HKD