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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 $1,428 NZD
$802 USD
As of October 29, 2026
Save $1,421 NZD (50%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,852 NZD 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 29, 2026, with a 100% 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,852 NZD|Low: $1,090 NZD|High: $4,852 NZD|Avg: $2,119 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$1,428 NZD
Retailer 11$1,567 NZD
Retailer 10$1,741 NZD
Retailer 2$1,798 NZD
Retailer 7$1,834 NZD
Retailer 3$1,942 NZD
Retailer 5$2,004 NZD
Retailer 6$2,305 NZD
Retailer 9$2,326 NZD
Retailer 4$2,849 NZD
NZ Jewellers$4,852 NZD

44 data points across 11 retailers

19 retailers$1,428 NZD to $2,849 NZD

A
Cheapest Retailer
-
$1,428 NZD
$802 USD
Final sale: no returns
Retailer 2
-
$1,464 NZD
$822 USD
View
Price last confirmed 55 days ago
Retailer 3
-
$1,547 NZD
$869 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$1,547 NZD
$869 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,567 NZD
$880 USD
View
Retailer 6
-
$1,606 NZD
$902 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$1,690 NZD
$949 USD
View
Price last confirmed 53 days ago
A
Retailer 8
-
$1,741 NZD
$978 USD
View
Retailer 9
-
$1,786 NZD
$1,003 USD
View
Price last confirmed 31 days ago
A
Retailer 10
-
$1,798 NZD
£795 GBP
View
B+
Retailer 11
-
$1,834 NZD
$1,030 USD
View
B+
Retailer 12
-
$1,942 NZD
A$1,678 AUD
View
B+
Retailer 13
-
$2,004 NZD
€1,072 EUR
View
B+
Retailer 14
-
$2,305 NZD
ZAR 20,911 ZAR
View
Retailer 15
-
$2,326 NZD
A$2,010 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
$2,849 NZD
£1,260 GBP
View
Retailer 17
-
$4,592 NZD
$2,579 USD
View
Price last confirmed 58 days ago
Retailer 18
-
$4,852 NZD
$2,725 USD
View
Price last confirmed 36 days ago
Most Expensive
NZ Jewellers
1ed149db-062f-4a30-94f7-7b88a25dfdb6 · Oct 23
$4,852 NZD
$2,725 USD
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from $1,428 NZDSave up to $1,421 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
$1,428 NZD