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Round|Natural|GIA

1.02ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6551890869

Certificate GIA 6551890869

Diamond specifications and retailer prices

From $3,181 AUD
As of November 6, 2026
Save $5,663 AUD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,844 AUD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551890869. Listed at 19 retailers as of November 5, 2026, with prices from $3,181 to $8,844, a $5,663 spread on the same certified stone. NZ Jewellers lists it at $8,844. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551890869
Dimensions6.40 × 6.43 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
6.40 mm6.43 mm1.02 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551890869
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: Nov 6
Current: $8,844 AUD|Low: $3,181 AUD|High: $8,844 AUD|Avg: $4,803 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
Retailer 14
Retailer 15
November 6, 2026
Retailer 15$3,181 AUD
Retailer 2$3,310 AUD
Retailer 12$3,714 AUD
Retailer 14$3,836 AUD
Retailer 8$4,047 AUD
Retailer 3$4,230 AUD
Retailer 5$4,230 AUD
Retailer 4$4,393 AUD
Retailer 9$4,427 AUD
Retailer 10$4,451 AUD
Retailer 6$4,868 AUD
Retailer 7$4,881 AUD
Retailer 11$4,913 AUD
Retailer 13$7,055 AUD
NZ Jewellers$8,844 AUD

24 data points across 15 retailers

19 retailers$3,181 AUD to $8,844 AUD

A
Cheapest Retailer
-
$3,181 AUD
A
Retailer 2
-
$3,310 AUD
View
A
Retailer 3
-
$3,714 AUD
View
A
Retailer 4
-
$3,836 AUD
View
A
Retailer 5
-
$3,884 AUD
View
A
Retailer 6
-
$3,903 AUD
View
Final sale: no returns
A
Retailer 7
-
$3,943 AUD
View
A
Retailer 8
-
$4,047 AUD
View
A
Retailer 9
-
$4,194 AUD
View
A
Retailer 10
-
$4,230 AUD
View
Retailer 11
-
$4,230 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$4,300 AUD
View
B+
Retailer 13
-
$4,393 AUD
View
B+
Retailer 14
-
$4,427 AUD
View
A
Retailer 15
-
$4,451 AUD
View
B+
Retailer 16
-
$4,881 AUD
View
B+
Retailer 17
-
$4,913 AUD
View
B
Retailer 18
-
$7,055 AUD
View
Most Expensive
B
NZ Jewellers
3e5d6118-cc3a-477f-a821-da6baab11521 · Nov 5
$8,844 AUD
$6,191 USD
View
18 more retailers have this diamond
Prices start from $3,181 AUDSave up to $5,663 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
$3,181 AUD