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Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2554958968

Certificate GIA 2554958968

Diamond specifications and retailer prices

From $947 AUD
HK$5,200 HKD
As of October 29, 2026
Save $1,379 AUD (59%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,131 AUD at NZ Jewellers · As of October 3, 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 2554958968. Listed at 24 retailers as of October 29, 2026, with a 146% 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2554958968
Dimensions5.50 × 5.52 × 3.38 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
5.50 mm5.52 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554958968
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

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: $1,465 AUD|Low: $947 AUD|High: $2,327 AUD|Avg: $1,424 AUD|+0.6%
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
October 29, 2026
Retailer 5$947 AUD
Retailer 8$965 AUD
Retailer 11$1,164 AUD
Retailer 6$1,179 AUD
Retailer 4$1,267 AUD
Retailer 3$1,295 AUD
Retailer 7$1,333 AUD
Retailer 2$1,441 AUD
Retailer 1$1,465 AUD
Retailer 9$1,487 AUD
Retailer 12$1,500 AUD
Retailer 13$1,669 AUD
Retailer 14$1,673 AUD
Retailer 15$1,864 AUD
Retailer 10$2,327 AUD

22 data points across 15 retailers

24 retailers$947 AUD to $2,327 AUD

A
Cheapest Retailer
-
$947 AUD
HK$5,200 HKD
A
Retailer 2
-
$965 AUD
₹64,576 INR
View
A
Retailer 3
-
$1,164 AUD
$818 USD
View
Final sale: no returns
A
Retailer 4
-
$1,179 AUD
View
A
Retailer 5
-
$1,267 AUD
$890 USD
View
A
Retailer 6
-
$1,295 AUD
$910 USD
View
Price last confirmed 49 days ago
A
Retailer 7
-
$1,295 AUD
$910 USD
View
A
Retailer 8
-
$1,317 AUD
$925 USD
View
Price last confirmed 25 days ago
A
Retailer 9
-
$1,333 AUD
SGD 1,266 SGD
View
A
Retailer 10
-
$1,381 AUD
$970 USD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$1,441 AUD
$1,012 USD
View
A
Retailer 12
-
$1,465 AUD
£810 GBP
View
A
Retailer 13
-
$1,487 AUD
$1,045 USD
View
B+
Retailer 14
-
$1,495 AUD
$1,050 USD
View
Price last confirmed 48 days ago
A
Retailer 15
-
$1,500 AUD
£830 GBP
View
A
Retailer 16
-
$1,520 AUD
$1,068 USD
View
Price last confirmed 27 days ago
B+
Retailer 17
-
$1,669 AUD
€1,117 EUR
View
B+
Retailer 18
-
$1,673 AUD
$1,175 USD
View
B+
Retailer 19
-
$1,701 AUD
View
B+
Retailer 20
-
$1,864 AUD
ZAR 21,158 ZAR
View
B+
Retailer 21
-
$1,981 AUD
View
Price last confirmed 24 days ago
B+
Retailer 22
-
$2,327 AUD
£1,287 GBP
View
B
Retailer 23
-
$4,061 AUD
$2,853 USD
View
Price last confirmed 48 days ago
Most Expensive
B
NZ Jewellers
c296e0d8-b864-4aa7-b7ee-6c4a48b9c8ae · Oct 3
$4,131 AUD
$2,902 USD
View
Price last confirmed 26 days ago
23 more retailers have this diamond
Prices start from $947 AUDSave up to $1,379 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
$947 AUD