Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2556184456

Certificate GIA 2556184456

Diamond specifications and retailer prices

From $707 USD
As of October 28, 2026
Save $480 USD (40%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,187 USD 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 $707 to $1,187, a $480 spread on the same certified stone. Frank Darling lists it at $1,187. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,187 USD|Low: $707 USD|High: $1,233 USD|Avg: $949 USD|-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$707 USD
Retailer 11$720 USD
Retailer 13$748 USD
Retailer 3$770 USD
Retailer 8$787 USD
Retailer 10$800 USD
Retailer 2$854 USD
Retailer 6$887 USD
Retailer 9$1,031 USD
Retailer 5$1,041 USD
Retailer 12$1,077 USD
Retailer 4$1,157 USD
Frank Darling$1,187 USD

34 data points across 13 retailers

14 retailers$707 USD to $1,187 USD

A
Cheapest Retailer
-
$707 USD
A
Retailer 2
-
$720 USD
View
A
Retailer 3
-
$748 USD
SGD 1,011 SGD
View
A
Retailer 4
-
$770 USD
SGD 1,040 SGD
View
A
Retailer 5
-
$787 USD
View
A
Retailer 6
-
$800 USD
View
A
Retailer 7
-
$854 USD
£673 GBP
View
A
Retailer 8
-
$887 USD
View
A
Retailer 9
-
$955 USD
View
A
Retailer 10
-
$1,031 USD
€982 EUR
View
B+
Retailer 11
-
$1,041 USD
£820 GBP
View
B+
Retailer 12
-
$1,077 USD
View
B+
Retailer 13
-
$1,157 USD
View
Most Expensive
B+
Frank Darling
2633355HK · Oct 29
$1,187 USD
View
13 more retailers have this diamond
Prices start from $707 USDSave up to $480 USD

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
$707 USD