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Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1156397254

Certificate GIA 1156397254

Diamond specifications and retailer prices

From $7,471 AUD
As of November 1, 2026
Save $6,825 AUD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,276 AUD at NZ Jewellers · As of November 5, 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 1156397254. Listed at 19 retailers as of November 1, 2026, with a 91% 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1156397254
Dimensions6.45 × 6.43 × 4.00 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.45 mm6.43 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1156397254
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $16,276 AUD|Low: $6,781 AUD|High: $16,276 AUD|Avg: $10,290 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$7,471 AUD
Retailer 6$8,138 AUD
Retailer 7$8,817 AUD
Retailer 9$8,817 AUD
Retailer 10$8,817 AUD
Retailer 2$9,180 AUD
Retailer 3$9,982 AUD
Retailer 8$10,172 AUD
Retailer 4$14,296 AUD
NZ Jewellers$16,276 AUD

42 data points across 10 retailers

19 retailers$7,471 AUD to $14,296 AUD

B
Cheapest Retailer
-
$7,471 AUD
B
Retailer 2
-
$7,474 AUD
View
B
Retailer 3
-
$7,690 AUD
View
B
Retailer 4
-
$8,138 AUD
View
Final sale: no returns
B
Retailer 5
-
$8,207 AUD
View
Retailer 6
-
$8,817 AUD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$8,817 AUD
View
B
Retailer 8
-
$8,817 AUD
View
B
Retailer 9
-
$9,180 AUD
View
B
Retailer 10
-
$9,618 AUD
View
B
Retailer 11
-
$9,814 AUD
View
B
Retailer 12
-
$9,814 AUD
View
B
Retailer 13
-
$9,982 AUD
View
B
Retailer 14
-
$10,142 AUD
View
B
Retailer 15
-
$10,172 AUD
View
Retailer 16
-
$10,727 AUD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$14,296 AUD
View
Retailer 18
-
$15,812 AUD
View
Price under review
Most Expensive
NZ Jewellers
8ed12017-f089-4478-9b1f-27566ee2d8fe · Nov 5
$16,276 AUD
$11,394 USD
View
Price under review
18 more retailers have this diamond
Prices start from $7,471 AUDSave up to $6,825 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.

B
1.01ct Round
$7,471 AUD