Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1555587184

Certificate GIA 1555587184

Diamond specifications and retailer prices

From $3,931 AUD
As of October 30, 2026
Save $616 AUD (14%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,608 AUD at NZ Jewellers · As of October 20, 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 1555587184. Listed at 11 retailers as of October 30, 2026, with a relatively tight 16% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555587184
Dimensions6.46 × 6.51 × 3.99 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.46 mm6.51 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555587184
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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 30
Current: $7,608 AUD|Low: $3,163 AUD|High: $7,981 AUD|Avg: $5,039 AUD|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$3,163 AUD
Retailer 2$3,761 AUD
Retailer 6$3,931 AUD
Retailer 8$4,367 AUD
Retailer 9$4,481 AUD
Retailer 10$4,547 AUD
Retailer 3$5,064 AUD
Retailer 7$6,614 AUD
Retailer 5$7,252 AUD
NZ Jewellers$7,608 AUD

33 data points across 10 retailers

11 retailers$3,931 AUD to $4,547 AUD

A
Retailer 1
-
$3,163 AUD
Price last confirmed 7 days ago
Retailer 2
-
$3,761 AUD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$3,931 AUD
View
Retailer 4
-
$4,367 AUD
View
Price last confirmed 15 days ago
Retailer 5
-
$4,481 AUD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$4,547 AUD
View
Retailer 7
-
$4,591 AUD
View
Price last confirmed 22 days ago
Retailer 8
-
$5,064 AUD
View
Price last confirmed 8 days ago
Retailer 9
-
$6,614 AUD
View
Price last confirmed 16 days ago
Retailer 10
-
$7,252 AUD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
89a0f8b9-dc52-4308-86f8-642617521619 · Oct 20
$7,608 AUD
$5,326 USD
View
Price last confirmed 16 days ago
10 more retailers have this diamond
Prices start from $3,931 AUDSave up to $616 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
$3,931 AUD