Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2205449268

Certificate GIA 2205449268

Diamond specifications and retailer prices

From $4,716 AUD
$3,313 USD
As of October 26, 2026
Save $7,693 AUD (62%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,410 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 2205449268. Listed at 22 retailers as of October 26, 2026, with prices from $4,716 to $12,410, a $7,693 spread on the same certified stone. Diamond Quarter lists it at $12,410. 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
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2205449268
Dimensions6.53 × 6.50 × 3.91 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.53 mm6.50 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2205449268
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $6,641 AUD|Low: $4,524 AUD|High: $10,085 AUD|Avg: $6,419 AUD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 27, 2026
Retailer 9$4,716 AUD
Retailer 7$4,890 AUD
Retailer 5$5,230 AUD
Retailer 8$5,667 AUD
Retailer 3$6,322 AUD
Retailer 1$6,641 AUD
Retailer 6$6,673 AUD
Retailer 2$7,618 AUD
Retailer 4$9,976 AUD

40 data points across 9 retailers

22 retailers$4,716 AUD to $12,410 AUD

B+
Cheapest Retailer
-
$4,716 AUD
$3,313 USD
B+
Retailer 2
-
$4,889 AUD
$3,434 USD
View
B+
Retailer 3
-
$4,987 AUD
$3,503 USD
View
B+
Retailer 4
-
$5,410 AUD
$3,800 USD
View
B+
Retailer 5
-
$5,654 AUD
$3,971 USD
View
B+
Retailer 6
-
$5,667 AUD
$3,981 USD
View
B+
Retailer 7
-
$5,667 AUD
$3,981 USD
View
B+
Retailer 8
-
$5,667 AUD
$3,981 USD
View
Retailer 9
-
$5,999 AUD
$4,214 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$6,322 AUD
£3,497 GBP
View
B+
Retailer 11
-
$6,392 AUD
$4,490 USD
View
B+
Retailer 12
-
$6,392 AUD
$4,490 USD
View
B+
Retailer 13
-
$6,540 AUD
$4,594 USD
View
B+
Retailer 14
-
$6,641 AUD
€4,443 EUR
View
Retailer 15
-
$6,673 AUD
View
Price last confirmed 21 days ago
Retailer 16
-
$7,075 AUD
$4,970 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$7,132 AUD
$5,010 USD
View
B
Retailer 18
-
$7,618 AUD
ZAR 86,447 ZAR
View
B
Retailer 19
-
$9,047 AUD
$6,355 USD
View
B
Retailer 20
-
$9,976 AUD
£5,518 GBP
View
B
Retailer 21
-
$10,899 AUD
$7,656 USD
View
Most Expensive
B
Diamond Quarter
1.01SI1E22680F3CN · Oct 29
$12,410 AUD
£6,864 GBP
View
21 more retailers have this diamond
Prices start from $4,716 AUDSave up to $7,693 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
$4,716 AUD