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Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1555717692

Certificate GIA 1555717692

Diamond specifications and retailer prices

From $802 USD
As of October 28, 2026
Save $1,923 USD (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,725 USD at NZ Jewellers · As of October 23, 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 1555717692. Listed at 19 retailers as of October 23, 2026, with prices from $802 to $2,725, a $1,923 spread on the same certified stone. NZ Jewellers lists it at $2,725. 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°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1555717692
Dimensions5.44 × 5.47 × 3.41 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.44 mm5.47 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555717692
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: $2,725 USD|Low: $612 USD|High: $2,725 USD|Avg: $1,187 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8$802 USD
Retailer 11$880 USD
Retailer 10$978 USD
Retailer 2$1,007 USD
Retailer 7$1,030 USD
Retailer 3$1,091 USD
Retailer 5$1,126 USD
Retailer 6$1,294 USD
Retailer 9$1,307 USD
Retailer 4$1,600 USD
NZ Jewellers$2,725 USD

44 data points across 11 retailers

19 retailers$802 USD to $2,725 USD

A
Cheapest Retailer
-
$802 USD
Final sale: no returns
A
Retailer 2
-
$822 USD
View
Price last confirmed 54 days ago
A
Retailer 3
-
$869 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
$869 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$880 USD
View
A
Retailer 6
-
$902 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$949 USD
View
Price last confirmed 52 days ago
A
Retailer 8
-
$978 USD
View
A
Retailer 9
-
$1,003 USD
View
Price last confirmed 30 days ago
A
Retailer 10
-
$1,007 USD
£793 GBP
View
B+
Retailer 11
-
$1,030 USD
View
B+
Retailer 12
-
$1,091 USD
A$1,678 AUD
View
B+
Retailer 13
-
$1,126 USD
€1,072 EUR
View
B+
Retailer 14
-
$1,294 USD
ZAR 20,911 ZAR
View
B+
Retailer 15
-
$1,307 USD
A$2,010 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
$1,600 USD
£1,260 GBP
View
B
Retailer 17
-
$2,579 USD
View
Price last confirmed 58 days ago
B
Retailer 18
-
$2,725 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
1ed149db-062f-4a30-94f7-7b88a25dfdb6 · Oct 23
$2,725 USD
View
18 more retailers have this diamond
Prices start from $802 USDSave up to $1,923 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
$802 USD