Round|Natural|GIA

0.62ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1559558733

Certificate GIA 1559558733

Diamond specifications and retailer prices

From $1,048 AUD
$736 USD
As of October 28, 2026
Save $1,264 AUD (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,936 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.62ct natural round diamond

This 0.62ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559558733. Listed at 25 retailers as of October 28, 2026, with a 121% 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

0.62
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559558733
Dimensions5.42 × 5.46 × 3.41 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.42 mm5.46 mm0.62 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559558733
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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 28
Current: $3,936 AUD|Low: $885 AUD|High: $3,936 AUD|Avg: $1,709 AUD
NZ Jewellers
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 10$974 AUD
Retailer 3$1,169 AUD
Retailer 12$1,182 AUD
Retailer 13$1,297 AUD
Retailer 5$1,313 AUD
Retailer 9$1,381 AUD
Retailer 7$1,453 AUD
Retailer 6$1,628 AUD
Retailer 4$1,767 AUD
Retailer 8$1,870 AUD
Retailer 11$1,888 AUD
Retailer 2$2,312 AUD
NZ Jewellers$3,936 AUD

40 data points across 13 retailers

25 retailers$1,048 AUD to $2,312 AUD

A
Cheapest Retailer
-
$1,048 AUD
$736 USD
Retailer 2
-
$1,116 AUD
$784 USD
View
Price last confirmed 27 days ago
Retailer 3
-
$1,137 AUD
$799 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$1,137 AUD
$799 USD
View
Price last confirmed 63 days ago
A
Retailer 5
-
$1,143 AUD
$803 USD
View
B+
Retailer 6
-
$1,153 AUD
$810 USD
View
B+
Retailer 7
-
$1,169 AUD
$821 USD
View
Retailer 8
-
$1,182 AUD
$830 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$1,286 AUD
$903 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,297 AUD
$911 USD
View
B+
Retailer 11
-
$1,313 AUD
$922 USD
View
Retailer 12
-
$1,381 AUD
$970 USD
View
Price last confirmed 5 days ago
B+
Retailer 13
-
$1,395 AUD
$980 USD
View
B+
Retailer 14
-
$1,395 AUD
$980 USD
View
B+
Retailer 15
-
$1,405 AUD
$987 USD
View
B+
Retailer 16
-
$1,438 AUD
$1,010 USD
View
B+
Retailer 17
-
$1,453 AUD
£803 GBP
View
B
Retailer 18
-
$1,542 AUD
$1,083 USD
View
B+
Retailer 19
-
$1,628 AUD
€1,089 EUR
View
B
Retailer 20
-
$1,767 AUD
$1,241 USD
View
B
Retailer 21
-
$1,870 AUD
ZAR 21,222 ZAR
View
Price last confirmed 7 days ago
Retailer 22
-
$1,888 AUD
View
Price last confirmed 29 days ago
B
Retailer 23
-
$2,023 AUD
CA$1,974 CAD
View
B
Retailer 24
-
$2,312 AUD
£1,279 GBP
View
Most Expensive
NZ Jewellers
df14e418-c7ca-45b3-bccd-4156c51ed226 · Oct 27
$3,936 AUD
$2,765 USD
View
Price under review
24 more retailers have this diamond
Prices start from $1,048 AUDSave up to $1,264 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
0.62ct Round
$1,048 AUD