Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6492554464

Certificate GIA 6492554464

Diamond specifications and retailer prices

From $3,945 AUD
$2,771 USD
As of October 30, 2026
Save $6,954 AUD (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,898 AUD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6492554464. Listed at 24 retailers as of October 29, 2026, with prices from $3,945 to $10,898, a $6,954 spread on the same certified stone. Diamond Quarter lists it at $10,898. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492554464
Dimensions6.40 × 6.36 × 3.96 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.40 mm6.36 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492554464
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 30
Current: $3,945 AUD|Low: $3,945 AUD|High: $9,100 AUD|Avg: $5,320 AUD|-1.4%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 1$3,945 AUD
Retailer 19$4,309 AUD
Retailer 18$4,420 AUD
Retailer 2$4,444 AUD
Retailer 7$4,479 AUD
Retailer 5$4,684 AUD
Retailer 3$4,869 AUD
Retailer 11$4,870 AUD
Retailer 13$5,184 AUD
Retailer 4$5,467 AUD
Retailer 8$5,467 AUD
Retailer 12$5,565 AUD
Retailer 16$5,652 AUD
Retailer 6$5,671 AUD
Retailer 10$5,759 AUD
Retailer 9$6,066 AUD
Retailer 17$6,174 AUD
Retailer 15$6,523 AUD
Retailer 14$9,007 AUD

30 data points across 19 retailers

24 retailers$3,945 AUD to $10,898 AUD

A
Cheapest Retailer
-
$3,945 AUD
$2,771 USD
A
Retailer 2
-
$4,309 AUD
$3,027 USD
View
Retailer 3
-
$4,420 AUD
$3,105 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$4,444 AUD
$3,122 USD
View
A
Retailer 5
-
$4,479 AUD
$3,146 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,684 AUD
$3,290 USD
View
Retailer 7
-
$4,853 AUD
$3,409 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$4,869 AUD
$3,420 USD
View
Retailer 9
-
$4,870 AUD
$3,421 USD
View
Price last confirmed 43 days ago
B+
Retailer 10
-
$5,184 AUD
£2,868 GBP
View
B+
Retailer 11
-
$5,467 AUD
$3,840 USD
View
B+
Retailer 12
-
$5,467 AUD
$3,840 USD
View
B+
Retailer 13
-
$5,565 AUD
£3,078 GBP
View
Retailer 14
-
$5,620 AUD
$3,948 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
$5,652 AUD
$3,970 USD
View
B+
Retailer 16
-
$5,671 AUD
$3,984 USD
View
Retailer 17
-
$5,759 AUD
View
Price last confirmed 22 days ago
Retailer 18
-
$6,066 AUD
$4,261 USD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
$6,174 AUD
£3,415 GBP
View
B+
Retailer 20
-
$6,523 AUD
ZAR 74,028 ZAR
View
B
Retailer 21
-
$9,007 AUD
£4,982 GBP
View
Retailer 22
-
$9,333 AUD
$6,556 USD
View
Price last confirmed 14 days ago
Retailer 23
-
$9,367 AUD
$6,580 USD
View
Price last confirmed 43 days ago
Most Expensive
B
Diamond Quarter
1.01SI1E6464056EN · Oct 29
$10,898 AUD
£6,028 GBP
View
23 more retailers have this diamond
Prices start from $3,945 AUDSave up to $6,954 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
$3,945 AUD