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Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2516595059

Certificate GIA 2516595059

Diamond specifications and retailer prices

From $2,541 AUD
As of November 4, 2026
Save $3,253 AUD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,933 AUD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2516595059. Listed at 18 retailers as of November 4, 2026, with a 128% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2516595059
Dimensions6.53 × 6.47 × 3.94 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.53 mm6.47 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2516595059
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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: Nov 4
Current: $3,536 AUD|Low: $2,541 AUD|High: $5,880 AUD|Avg: $3,513 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$2,541 AUD
Retailer 5$2,666 AUD
Retailer 4$2,908 AUD
Retailer 6$2,964 AUD
Retailer 3$3,060 AUD
Retailer 10$3,093 AUD
Retailer 2$3,128 AUD
Retailer 1$3,536 AUD
Retailer 8$3,583 AUD
Retailer 7$4,114 AUD
Retailer 9$5,794 AUD

28 data points across 11 retailers

18 retailers$2,541 AUD to $5,794 AUD

A
Cheapest Retailer
-
$2,541 AUD
A
Retailer 2
-
$2,666 AUD
View
A
Retailer 3
-
$2,908 AUD
View
A
Retailer 4
-
$2,964 AUD
View
A
Retailer 5
-
$3,060 AUD
View
Final sale: no returns
A
Retailer 6
-
$3,093 AUD
View
A
Retailer 7
-
$3,128 AUD
View
A
Retailer 8
-
$3,176 AUD
View
Retailer 9
-
$3,316 AUD
View
Price last confirmed 21 days ago
Retailer 10
-
$3,316 AUD
View
Price last confirmed 17 days ago
A
Retailer 11
-
$3,414 AUD
View
Retailer 12
-
$3,468 AUD
View
Price last confirmed 22 days ago
A
Retailer 13
-
$3,536 AUD
View
A
Retailer 14
-
$3,583 AUD
View
Retailer 15
-
$3,826 AUD
View
Price last confirmed 19 days ago
A
Retailer 16
-
$4,114 AUD
View
B
Retailer 17
-
$5,794 AUD
View
Most Expensive
NZ Jewellers
14b96735-5840-4dde-8432-30cea7101ad0 · Oct 17
$6,933 AUD
$4,853 USD
View
Price last confirmed 19 days ago
17 more retailers have this diamond
Prices start from $2,541 AUDSave up to $3,253 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 Round
$2,541 AUD