Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2554958968

Certificate GIA 2554958968

Diamond specifications and retailer prices

From HK$5,223 HKD
As of October 29, 2026
Save HK$7,602 HKD (59%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$22,770 HKD 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: HK$8,073 HKD|Low: HK$5,223 HKD|High: HK$12,825 HKD|Avg: HK$7,852 HKD|+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 5HK$5,223 HKD
Retailer 8HK$5,320 HKD
Retailer 11HK$6,418 HKD
Retailer 6HK$6,501 HKD
Retailer 4HK$6,983 HKD
Retailer 3HK$7,140 HKD
Retailer 7HK$7,351 HKD
Retailer 2HK$7,942 HKD
Retailer 1HK$8,073 HKD
Retailer 9HK$8,199 HKD
Retailer 12HK$8,271 HKD
Retailer 13HK$9,203 HKD
Retailer 14HK$9,221 HKD
Retailer 15HK$10,276 HKD
Retailer 10HK$12,825 HKD

22 data points across 15 retailers

24 retailersHK$5,223 HKD to HK$12,825 HKD

A
Cheapest Retailer
-
HK$5,223 HKD
A
Retailer 2
-
HK$5,320 HKD
₹64,576 INR
View
A
Retailer 3
-
HK$6,418 HKD
$818 USD
View
Final sale: no returns
A
Retailer 4
-
HK$6,501 HKD
A$1,275 AUD
View
A
Retailer 5
-
HK$6,983 HKD
$890 USD
View
Retailer 6
-
HK$7,140 HKD
$910 USD
View
Price last confirmed 49 days ago
A
Retailer 7
-
HK$7,140 HKD
$910 USD
View
Retailer 8
-
HK$7,258 HKD
$925 USD
View
Price last confirmed 26 days ago
A
Retailer 9
-
HK$7,351 HKD
SGD 1,266 SGD
View
Retailer 10
-
HK$7,611 HKD
$970 USD
View
Price last confirmed 30 days ago
A
Retailer 11
-
HK$7,942 HKD
$1,012 USD
View
A
Retailer 12
-
HK$8,073 HKD
£810 GBP
View
A
Retailer 13
-
HK$8,199 HKD
$1,045 USD
View
Retailer 14
-
HK$8,239 HKD
$1,050 USD
View
Price last confirmed 49 days ago
A
Retailer 15
-
HK$8,271 HKD
£830 GBP
View
Retailer 16
-
HK$8,380 HKD
$1,068 USD
View
Price last confirmed 27 days ago
B+
Retailer 17
-
HK$9,203 HKD
€1,117 EUR
View
B+
Retailer 18
-
HK$9,221 HKD
$1,175 USD
View
B+
Retailer 19
-
HK$9,374 HKD
A$1,838 AUD
View
B+
Retailer 20
-
HK$10,276 HKD
ZAR 21,158 ZAR
View
Retailer 21
-
HK$10,919 HKD
A$2,141 AUD
View
Price last confirmed 24 days ago
B+
Retailer 22
-
HK$12,825 HKD
£1,287 GBP
View
Retailer 23
-
HK$22,386 HKD
$2,853 USD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
c296e0d8-b864-4aa7-b7ee-6c4a48b9c8ae · Oct 3
HK$22,770 HKD
$2,902 USD
View
Price last confirmed 26 days ago
23 more retailers have this diamond
Prices start from HK$5,223 HKDSave up to HK$7,602 HKD

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
HK$5,223 HKD