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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 $3,462 AUD
SGD 3,286 SGD
As of October 31, 2026
Save $3,003 AUD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,465 AUD at Helzberg Diamonds · As of November 1, 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 31, 2026, with prices from $3,462 to $6,465, a $3,003 spread on the same certified stone. Helzberg Diamonds lists it at $6,465. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,465 AUD|Low: $3,462 AUD|High: $6,865 AUD|Avg: $4,652 AUD|-5.8%
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
November 1, 2026
Retailer 10$3,462 AUD
Retailer 5$3,613 AUD
Retailer 8$3,696 AUD
Retailer 9$3,731 AUD
Retailer 11$3,759 AUD
Retailer 2$4,058 AUD
Retailer 4$4,094 AUD
Retailer 12$4,403 AUD
Retailer 14$4,470 AUD
Retailer 3$4,560 AUD
Retailer 7$4,825 AUD
Retailer 6$5,730 AUD
Retailer 13$6,184 AUD
Helzberg Diamonds$6,465 AUD

38 data points across 14 retailers

15 retailers$3,462 AUD to $6,465 AUD

A
Cheapest Retailer
-
$3,462 AUD
SGD 3,286 SGD
A
Retailer 2
-
$3,613 AUD
$2,538 USD
View
A
Retailer 3
-
$3,696 AUD
$2,596 USD
View
A
Retailer 4
-
$3,731 AUD
$2,621 USD
View
A
Retailer 5
-
$3,759 AUD
$2,641 USD
View
A
Retailer 6
-
$4,058 AUD
£2,245 GBP
View
A
Retailer 7
-
$4,094 AUD
SGD 3,886 SGD
View
B+
Retailer 8
-
$4,403 AUD
$3,093 USD
View
B+
Retailer 9
-
$4,464 AUD
$3,136 USD
View
B+
Retailer 10
-
$4,470 AUD
$3,140 USD
View
B+
Retailer 11
-
$4,560 AUD
$3,203 USD
View
B+
Retailer 12
-
$4,825 AUD
€3,228 EUR
View
B+
Retailer 13
-
$5,730 AUD
$4,025 USD
View
B+
Retailer 14
-
$6,184 AUD
$4,344 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLLLOMNNLP · Nov 1
$6,465 AUD
$4,541 USD
View
14 more retailers have this diamond
Prices start from $3,462 AUDSave up to $3,003 AUD

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
$3,462 AUD