Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6452109345

Certificate GIA 6452109345

Diamond specifications and retailer prices

From $1,096 AUD
$770 USD
As of October 29, 2026
Save $2,022 AUD (65%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,118 AUD at Diamond Quarter · As of October 29, 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 6452109345. Listed at 15 retailers as of October 29, 2026, with prices from $1,096 to $3,118, a $2,022 spread on the same certified stone. Diamond Quarter lists it at $3,118. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6452109345
Dimensions5.48 × 5.44 × 3.45 mm
L/W Ratio1.01
Top View
5.48 mm5.44 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6452109345
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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 29
Current: $2,227 AUD|Low: $1,025 AUD|High: $2,287 AUD|Avg: $1,462 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$1,025 AUD
Retailer 13$1,096 AUD
Retailer 14$1,113 AUD
Retailer 3$1,246 AUD
Retailer 2$1,247 AUD
Retailer 4$1,277 AUD
Retailer 10$1,381 AUD
Retailer 12$1,381 AUD
Retailer 11$1,423 AUD
Retailer 6$1,472 AUD
Retailer 7$1,705 AUD
Retailer 8$1,802 AUD
Retailer 5$1,856 AUD
Retailer 1$2,227 AUD

30 data points across 14 retailers

15 retailers$1,096 AUD to $3,118 AUD

A
Retailer 1
-
$1,025 AUD
$720 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$1,096 AUD
$770 USD
View
A
Retailer 3
-
$1,113 AUD
$782 USD
View
A
Retailer 4
-
$1,246 AUD
$875 USD
View
A
Retailer 5
-
$1,247 AUD
$876 USD
View
A
Retailer 6
-
$1,277 AUD
$897 USD
View
A
Retailer 7
-
$1,381 AUD
$970 USD
View
A
Retailer 8
-
$1,381 AUD
$970 USD
View
A
Retailer 9
-
$1,423 AUD
$1,000 USD
View
B+
Retailer 10
-
$1,705 AUD
€1,141 EUR
View
B+
Retailer 11
-
$1,802 AUD
ZAR 20,453 ZAR
View
B+
Retailer 12
-
$1,856 AUD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
$1,994 AUD
€1,334 EUR
View
B+
Retailer 14
-
$2,227 AUD
£1,232 GBP
View
Most Expensive
B
Diamond Quarter
0.63SI1E644576F0N · Oct 29
$3,118 AUD
£1,725 GBP
View
14 more retailers have this diamond
Prices start from $1,096 AUDSave up to $2,022 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
$1,096 AUD