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Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2556184456

Certificate GIA 2556184456

Diamond specifications and retailer prices

From $1,005 AUD
$707 USD
As of October 28, 2026
Save $683 AUD (40%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,688 AUD at Frank Darling · As of October 29, 2026
View at Frank Darling

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 2556184456. Listed at 14 retailers as of October 28, 2026, with prices from $1,005 to $1,688, a $683 spread on the same certified stone. Frank Darling lists it at $1,688. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556184456
Dimensions5.47 × 5.49 × 3.43 mm
L/W Ratio1.00
Top View
5.47 mm5.49 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2556184456
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.6%

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 28
Current: $1,688 AUD|Low: $1,005 AUD|High: $1,753 AUD|Avg: $1,350 AUD|-3.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 7$1,005 AUD
Retailer 11$1,024 AUD
Retailer 13$1,064 AUD
Retailer 3$1,094 AUD
Retailer 8$1,119 AUD
Retailer 10$1,138 AUD
Retailer 2$1,215 AUD
Retailer 6$1,261 AUD
Retailer 9$1,466 AUD
Retailer 5$1,481 AUD
Retailer 12$1,531 AUD
Retailer 4$1,646 AUD
Frank Darling$1,688 AUD

34 data points across 13 retailers

14 retailers$1,005 AUD to $1,688 AUD

A
Cheapest Retailer
-
$1,005 AUD
$707 USD
A
Retailer 2
-
$1,024 AUD
$720 USD
View
A
Retailer 3
-
$1,064 AUD
SGD 1,011 SGD
View
A
Retailer 4
-
$1,094 AUD
SGD 1,040 SGD
View
A
Retailer 5
-
$1,119 AUD
$787 USD
View
A
Retailer 6
-
$1,138 AUD
$800 USD
View
A
Retailer 7
-
$1,215 AUD
£673 GBP
View
A
Retailer 8
-
$1,261 AUD
$887 USD
View
A
Retailer 9
-
$1,358 AUD
$955 USD
View
A
Retailer 10
-
$1,466 AUD
€982 EUR
View
B+
Retailer 11
-
$1,481 AUD
£820 GBP
View
B+
Retailer 12
-
$1,531 AUD
$1,077 USD
View
B+
Retailer 13
-
$1,646 AUD
$1,157 USD
View
Most Expensive
B+
Frank Darling
2633355HK · Oct 29
$1,688 AUD
$1,187 USD
View
13 more retailers have this diamond
Prices start from $1,005 AUDSave up to $683 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
$1,005 AUD