CaratHunter
Plans
Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1555717692

Certificate GIA 1555717692

Diamond specifications and retailer prices

From $1,142 AUD
$802 USD
As of October 29, 2026
Save $2,737 AUD (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,879 AUD 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 $1,142 to $3,879, a $2,737 spread on the same certified stone. NZ Jewellers lists it at $3,879. 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: $3,879 AUD|Low: $871 AUD|High: $3,879 AUD|Avg: $1,690 AUD
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$1,142 AUD
Retailer 11$1,253 AUD
Retailer 10$1,392 AUD
Retailer 2$1,433 AUD
Retailer 7$1,466 AUD
Retailer 3$1,553 AUD
Retailer 5$1,602 AUD
Retailer 6$1,842 AUD
Retailer 9$1,860 AUD
Retailer 4$2,278 AUD
NZ Jewellers$3,879 AUD

44 data points across 11 retailers

19 retailers$1,142 AUD to $3,879 AUD

A
Cheapest Retailer
-
$1,142 AUD
$802 USD
Final sale: no returns
A
Retailer 2
-
$1,170 AUD
$822 USD
View
Price last confirmed 54 days ago
A
Retailer 3
-
$1,237 AUD
$869 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$1,237 AUD
$869 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,253 AUD
$880 USD
View
A
Retailer 6
-
$1,284 AUD
$902 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$1,351 AUD
$949 USD
View
Price last confirmed 52 days ago
A
Retailer 8
-
$1,392 AUD
$978 USD
View
A
Retailer 9
-
$1,428 AUD
$1,003 USD
View
Price last confirmed 30 days ago
A
Retailer 10
-
$1,433 AUD
£793 GBP
View
B+
Retailer 11
-
$1,466 AUD
$1,030 USD
View
B+
Retailer 12
-
$1,553 AUD
View
B+
Retailer 13
-
$1,602 AUD
€1,072 EUR
View
B+
Retailer 14
-
$1,842 AUD
ZAR 20,911 ZAR
View
B+
Retailer 15
-
$1,860 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
$2,278 AUD
£1,260 GBP
View
B
Retailer 17
-
$3,671 AUD
$2,579 USD
View
Price last confirmed 58 days ago
B
Retailer 18
-
$3,879 AUD
$2,725 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
1ed149db-062f-4a30-94f7-7b88a25dfdb6 · Oct 23
$3,879 AUD
$2,725 USD
View
18 more retailers have this diamond
Prices start from $1,142 AUDSave up to $2,737 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
$1,142 AUD