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Oval|Natural|GIA

1.01ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1555867759

Certificate GIA 1555867759

Diamond specifications and retailer prices

From $3,397 CAD
SGD 3,286 SGD
As of October 29, 2026
Save $2,947 CAD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,343 CAD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.01ct natural oval diamond

This 1.01ct natural oval sits in the classic one-carat band, graded D 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 1555867759. Listed at 15 retailers as of October 29, 2026, with prices from $3,397 to $6,343, a $2,947 spread on the same certified stone. Helzberg Diamonds lists it at $6,343. 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

1.01
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.26°
Pavilion angle40.31°
OriginNatural
Grading LabGIA
CertificateGIA 1555867759
Dimensions7.83 × 5.57 × 3.49 mm
L/W Ratio1.41
Culet sizeNone
Top View
7.83 mm5.57 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555867759
Side View
Table 60.0%Crown 40.26°Girdle: MED-THKPavilion 40.31°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,343 CAD|Low: $3,397 CAD|High: $6,839 CAD|Avg: $4,623 CAD|-7.3%
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 10$3,397 CAD
Retailer 5$3,545 CAD
Retailer 8$3,626 CAD
Retailer 9$3,661 CAD
Retailer 11$3,689 CAD
Retailer 2$3,982 CAD
Retailer 4$4,017 CAD
Retailer 12$4,321 CAD
Retailer 14$4,386 CAD
Retailer 3$4,475 CAD
Retailer 7$4,749 CAD
Retailer 6$5,623 CAD
Retailer 13$6,068 CAD
Helzberg Diamonds$6,343 CAD

37 data points across 14 retailers

15 retailers$3,397 CAD to $6,343 CAD

A
Cheapest Retailer
-
$3,397 CAD
SGD 3,286 SGD
A
Retailer 2
-
$3,545 CAD
$2,538 USD
View
A
Retailer 3
-
$3,626 CAD
$2,596 USD
View
A
Retailer 4
-
$3,661 CAD
$2,621 USD
View
A
Retailer 5
-
$3,689 CAD
$2,641 USD
View
A
Retailer 6
-
$3,982 CAD
£2,245 GBP
View
A
Retailer 7
-
$4,017 CAD
SGD 3,886 SGD
View
B+
Retailer 8
-
$4,321 CAD
$3,093 USD
View
B+
Retailer 9
-
$4,381 CAD
$3,136 USD
View
B+
Retailer 10
-
$4,386 CAD
$3,140 USD
View
B+
Retailer 11
-
$4,475 CAD
$3,203 USD
View
B+
Retailer 12
-
$4,749 CAD
€3,238 EUR
View
B+
Retailer 13
-
$5,623 CAD
$4,025 USD
View
B+
Retailer 14
-
$6,068 CAD
$4,344 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLLLOMNNLP · Oct 30
$6,343 CAD
$4,541 USD
View
14 more retailers have this diamond
Prices start from $3,397 CADSave up to $2,947 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
1.01ct Oval
$3,397 CAD