Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6452109345

Certificate GIA 6452109345

Diamond specifications and retailer prices

From $1,371 NZD
$770 USD
As of October 29, 2026
Save $2,529 NZD (65%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,900 NZD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 6452109345. Listed at 15 retailers as of October 29, 2026, with prices from $1,371 to $3,900, a $2,529 spread on the same certified stone. Diamond Quarter lists it at $3,900. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6452109345
Dimensions5.48 × 5.44 × 3.45 mm
L/W Ratio1.01
Top View
5.48 mm5.44 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6452109345
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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: $2,786 NZD|Low: $1,282 NZD|High: $2,860 NZD|Avg: $1,831 NZD|-1.4%
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
October 29, 2026
Retailer 9$1,282 NZD
Retailer 13$1,371 NZD
Retailer 14$1,392 NZD
Retailer 3$1,558 NZD
Retailer 2$1,560 NZD
Retailer 4$1,597 NZD
Retailer 10$1,727 NZD
Retailer 12$1,727 NZD
Retailer 11$1,781 NZD
Retailer 6$1,841 NZD
Retailer 7$2,133 NZD
Retailer 8$2,254 NZD
Retailer 5$2,321 NZD
Retailer 1$2,786 NZD

29 data points across 14 retailers

15 retailers$1,371 NZD to $3,900 NZD

Retailer 1
-
$1,282 NZD
$720 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$1,371 NZD
$770 USD
View
A
Retailer 3
-
$1,392 NZD
$782 USD
View
A
Retailer 4
-
$1,558 NZD
$875 USD
View
A
Retailer 5
-
$1,560 NZD
$876 USD
View
A
Retailer 6
-
$1,597 NZD
$897 USD
View
A
Retailer 7
-
$1,727 NZD
$970 USD
View
A
Retailer 8
-
$1,727 NZD
$970 USD
View
A
Retailer 9
-
$1,781 NZD
$1,000 USD
View
B+
Retailer 10
-
$2,133 NZD
€1,141 EUR
View
B+
Retailer 11
-
$2,254 NZD
ZAR 20,453 ZAR
View
Retailer 12
-
$2,321 NZD
A$2,006 AUD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$2,494 NZD
€1,334 EUR
View
B+
Retailer 14
-
$2,786 NZD
£1,232 GBP
View
Most Expensive
B
Diamond Quarter
0.63SI1E644576F0N · Oct 29
$3,900 NZD
£1,725 GBP
View
14 more retailers have this diamond
Prices start from $1,371 NZDSave up to $2,529 NZD

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
$1,371 NZD