Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2564016528

Certificate GIA 2564016528

Diamond specifications and retailer prices

From $4,338 AUD
As of October 29, 2026
Save $4,409 AUD (50%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,064 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564016528. Listed at 22 retailers as of October 29, 2026, with a 102% 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2564016528
Dimensions6.39 × 6.43 × 4.04 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.39 mm6.43 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564016528
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

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: $9,064 AUD|Low: $3,758 AUD|High: $9,064 AUD|Avg: $5,915 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9$4,618 AUD
Retailer 3$4,658 AUD
Retailer 8$4,939 AUD
Retailer 4$5,404 AUD
Retailer 2$5,567 AUD
Retailer 7$5,573 AUD
Retailer 6$6,335 AUD
Retailer 5$8,747 AUD
NZ Jewellers$9,064 AUD

42 data points across 9 retailers

22 retailers$4,338 AUD to $8,747 AUD

A
Cheapest Retailer
-
$4,338 AUD
B+
Retailer 2
-
$4,618 AUD
$3,244 USD
View
B+
Retailer 3
-
$4,658 AUD
$3,272 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,939 AUD
View
B+
Retailer 5
-
$4,997 AUD
$3,510 USD
View
Retailer 6
-
$5,203 AUD
$3,655 USD
View
Price last confirmed 53 days ago
Retailer 7
-
$5,203 AUD
$3,655 USD
View
Price last confirmed 43 days ago
Retailer 8
-
$5,203 AUD
$3,655 USD
View
Price last confirmed 29 days ago
Retailer 9
-
$5,203 AUD
$3,655 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$5,403 AUD
$3,795 USD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$5,404 AUD
£2,989 GBP
View
B+
Retailer 12
-
$5,410 AUD
$3,800 USD
View
B+
Retailer 13
-
$5,567 AUD
€3,724 EUR
View
Retailer 14
-
$5,573 AUD
View
Price last confirmed 22 days ago
Retailer 15
-
$6,003 AUD
$4,217 USD
View
Price last confirmed 54 days ago
Retailer 16
-
$6,003 AUD
$4,217 USD
View
Price last confirmed 43 days ago
Retailer 17
-
$6,003 AUD
$4,217 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$6,335 AUD
ZAR 71,893 ZAR
View
B
Retailer 19
-
$8,747 AUD
£4,838 GBP
View
Retailer 20
-
$9,064 AUD
$6,367 USD
View
Price last confirmed 43 days ago
Retailer 21
-
$9,064 AUD
$6,367 USD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
fd0aff89-c771-45ef-8c4c-eca964b0d79d · Sep 28
$9,064 AUD
$6,367 USD
View
Price last confirmed 33 days ago
21 more retailers have this diamond
Prices start from $4,338 AUDSave up to $4,409 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
1.02ct Round
$4,338 AUD