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Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7402406051

Certificate GIA 7402406051

Diamond specifications and retailer prices

From $1,163 AUD
$817 USD
As of October 29, 2026
Save $2,005 AUD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,168 AUD at Diamond Quarter · As of October 26, 2026
View at Diamond Quarter

About this 0.63ct natural round diamond

This 0.63ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7402406051. Listed at 15 retailers as of October 26, 2026, with prices from $1,163 to $3,168, a $2,005 spread on the same certified stone. Diamond Quarter lists it at $3,168. 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

0.63
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7402406051
Dimensions5.48 × 5.46 × 3.44 mm
L/W Ratio1.00
Top View
5.48 mm5.46 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7402406051
Side View
Table 56.0%Crown 36°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.8%

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 29
Current: $2,363 AUD|Low: $1,089 AUD|High: $2,424 AUD|Avg: $1,570 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
October 29, 2026
Retailer 9$1,153 AUD
Retailer 13$1,163 AUD
Retailer 14$1,179 AUD
Retailer 3$1,310 AUD
Retailer 2$1,325 AUD
Retailer 4$1,349 AUD
Retailer 10$1,452 AUD
Retailer 12$1,452 AUD
Retailer 11$1,495 AUD
Retailer 7$1,805 AUD
Retailer 6$1,898 AUD
Retailer 8$1,911 AUD
Retailer 5$1,966 AUD
Retailer 1$2,363 AUD

35 data points across 14 retailers

15 retailers$1,163 AUD to $3,168 AUD

A
Retailer 1
-
$1,153 AUD
$810 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$1,163 AUD
$817 USD
View
A
Retailer 3
-
$1,179 AUD
$828 USD
View
A
Retailer 4
-
$1,310 AUD
$920 USD
View
A
Retailer 5
-
$1,325 AUD
$931 USD
View
A
Retailer 6
-
$1,349 AUD
$948 USD
View
A
Retailer 7
-
$1,452 AUD
$1,020 USD
View
A
Retailer 8
-
$1,452 AUD
$1,020 USD
View
B+
Retailer 9
-
$1,495 AUD
$1,050 USD
View
B+
Retailer 10
-
$1,805 AUD
€1,208 EUR
View
B+
Retailer 11
-
$1,911 AUD
ZAR 21,691 ZAR
View
B+
Retailer 12
-
$1,966 AUD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$2,060 AUD
€1,378 EUR
View
B+
Retailer 14
-
$2,363 AUD
£1,307 GBP
View
Most Expensive
B
Diamond Quarter
0.63SI1E7451650CN · Oct 26
$3,168 AUD
£1,752 GBP
View
14 more retailers have this diamond
Prices start from $1,163 AUDSave up to $2,005 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
0.63ct Round
$1,163 AUD