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Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7446554205

Certificate GIA 7446554205

Diamond specifications and retailer prices

From $833 AUD
₹55,705 INR
As of October 29, 2026
Save $2,663 AUD (76%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,650 AUD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

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 7446554205. Listed at 24 retailers as of October 26, 2026, with a 320% 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

0.63
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7446554205
Dimensions5.50 × 5.46 × 3.44 mm
L/W Ratio1.01
Top View
5.50 mm5.46 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7446554205
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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: $3,496 AUD|Low: $827 AUD|High: $3,496 AUD|Avg: $1,439 AUD
NZ Jewellers
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
October 29, 2026
Retailer 10$833 AUD
Retailer 8$1,075 AUD
Retailer 15$1,110 AUD
Retailer 3$1,115 AUD
Retailer 4$1,115 AUD
Retailer 6$1,132 AUD
Retailer 13$1,132 AUD
Retailer 7$1,137 AUD
Retailer 16$1,157 AUD
Retailer 17$1,270 AUD
Retailer 5$1,287 AUD
Retailer 2$1,329 AUD
Retailer 12$1,445 AUD
Retailer 14$1,661 AUD
Retailer 9$1,750 AUD
Retailer 11$2,054 AUD
NZ Jewellers$3,496 AUD

32 data points across 17 retailers

24 retailers$833 AUD to $3,496 AUD

A
Cheapest Retailer
-
$833 AUD
₹55,705 INR
A
Retailer 2
-
$1,075 AUD
$755 USD
View
Final sale: no returns
A
Retailer 3
-
$1,102 AUD
$774 USD
View
Price last confirmed 49 days ago
A
Retailer 4
-
$1,110 AUD
$780 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$1,115 AUD
$783 USD
View
A
Retailer 6
-
$1,115 AUD
$783 USD
View
A
Retailer 7
-
$1,132 AUD
$795 USD
View
A
Retailer 8
-
$1,132 AUD
$795 USD
View
A
Retailer 9
-
$1,137 AUD
$799 USD
View
A
Retailer 10
-
$1,157 AUD
$813 USD
View
A
Retailer 11
-
$1,163 AUD
$817 USD
View
Price last confirmed 36 days ago
A
Retailer 12
-
$1,270 AUD
$892 USD
View
A
Retailer 13
-
$1,271 AUD
$893 USD
View
Price last confirmed 52 days ago
A
Retailer 14
-
$1,287 AUD
$904 USD
View
A
Retailer 15
-
$1,329 AUD
£735 GBP
View
A
Retailer 16
-
$1,342 AUD
$943 USD
View
Price last confirmed 37 days ago
A
Retailer 17
-
$1,445 AUD
€967 EUR
View
B+
Retailer 18
-
$1,661 AUD
ZAR 18,848 ZAR
View
B+
Retailer 19
-
$1,750 AUD
View
Price last confirmed 25 days ago
B+
Retailer 20
-
$2,054 AUD
£1,136 GBP
View
B
Retailer 21
-
$2,668 AUD
£1,476 GBP
View
B
Retailer 22
-
$3,453 AUD
$2,426 USD
View
Price last confirmed 48 days ago
B
Retailer 23
-
$3,496 AUD
$2,456 USD
View
Most Expensive
B
NZ Jewellers
87db1e81-3bd7-4834-9184-e24ed3f46ec3 · Sep 24
$3,650 AUD
$2,564 USD
View
Price last confirmed 35 days ago
23 more retailers have this diamond
Prices start from $833 AUDSave up to $2,663 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
$833 AUD