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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 $3,076 CAD
SGD 2,970 SGD
As of October 29, 2026
Save $2,665 CAD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,741 CAD 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 $3,076 to $5,741, a $2,665 spread on the same certified stone. Helzberg Diamonds lists it at $5,741. 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
Color
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: $5,741 CAD|Low: $3,076 CAD|High: $6,104 CAD|Avg: $4,155 CAD|-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 12$3,076 CAD
Retailer 10$3,283 CAD
Retailer 11$3,320 CAD
Retailer 13$3,341 CAD
Retailer 9$3,415 CAD
Retailer 7$3,602 CAD
Retailer 5$3,636 CAD
Retailer 14$3,934 CAD
Retailer 4$4,114 CAD
Retailer 2$4,190 CAD
Retailer 8$4,301 CAD
Retailer 6$5,092 CAD
Retailer 3$5,503 CAD
Helzberg Diamonds$5,741 CAD

32 data points across 14 retailers

14 retailers$3,076 CAD to $5,741 CAD

A
Cheapest Retailer
-
$3,076 CAD
SGD 2,970 SGD
A
Retailer 2
-
$3,283 CAD
$2,346 USD
View
A
Retailer 3
-
$3,320 CAD
$2,372 USD
View
A
Retailer 4
-
$3,341 CAD
$2,387 USD
View
A
Retailer 5
-
$3,415 CAD
$2,440 USD
View
A
Retailer 6
-
$3,602 CAD
£2,026 GBP
View
A
Retailer 7
-
$3,636 CAD
SGD 3,511 SGD
View
A
Retailer 8
-
$3,934 CAD
$2,811 USD
View
A
Retailer 9
-
$4,114 CAD
$2,939 USD
View
B+
Retailer 10
-
$4,190 CAD
$2,994 USD
View
B+
Retailer 11
-
$4,301 CAD
€2,927 EUR
View
B+
Retailer 12
-
$5,092 CAD
$3,638 USD
View
B+
Retailer 13
-
$5,503 CAD
$3,932 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRHLLOPLHHIG · Oct 30
$5,741 CAD
$4,102 USD
View
13 more retailers have this diamond
Prices start from $3,076 CADSave up to $2,665 CAD

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
$3,076 CAD