CaratHunter
Plans
Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 6542551989

Certificate GIA 6542551989

Diamond specifications and retailer prices

From $2,120 AUD
As of November 5, 2026
Save $4,703 AUD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,823 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 6542551989. Listed at 19 retailers as of November 5, 2026, with prices from $2,120 to $6,823, a $4,703 spread on the same certified stone. NZ Jewellers lists it at $6,823. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle42.4°
OriginNatural
Grading LabGIA
CertificateGIA 6542551989
Dimensions6.30 × 6.24 × 4.07 mm
L/W Ratio1.01
Top View
6.30 mm6.24 mm1.00 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542551989
Side View
Table 59.0%Crown 34.5°Girdle: MED-THKPavilion 42.4°Culet: NDepth 64.9%

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 5
Current: $6,823 AUD|Low: $2,120 AUD|High: $6,920 AUD|Avg: $3,044 AUD|-1.4%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 19$2,120 AUD
Retailer 4$2,310 AUD
Retailer 15$2,340 AUD
Retailer 9$2,388 AUD
Retailer 14$2,397 AUD
Retailer 11$2,437 AUD
Retailer 3$2,534 AUD
Retailer 10$2,570 AUD
Retailer 8$2,586 AUD
Retailer 16$2,614 AUD
Retailer 7$2,651 AUD
Retailer 6$2,814 AUD
Retailer 18$2,814 AUD
Retailer 2$2,900 AUD
Retailer 17$2,924 AUD
Retailer 12$3,001 AUD
Retailer 13$3,554 AUD
Retailer 5$4,957 AUD
NZ Jewellers$6,823 AUD

31 data points across 19 retailers

19 retailers$2,120 AUD to $6,823 AUD

A
Cheapest Retailer
-
$2,120 AUD
A
Retailer 2
-
$2,310 AUD
View
A
Retailer 3
-
$2,340 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,388 AUD
View
A
Retailer 5
-
$2,397 AUD
View
A
Retailer 6
-
$2,437 AUD
View
A
Retailer 7
-
$2,534 AUD
View
Retailer 8
-
$2,570 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$2,586 AUD
View
A
Retailer 10
-
$2,614 AUD
View
A
Retailer 11
-
$2,651 AUD
View
A
Retailer 12
-
$2,814 AUD
View
A
Retailer 13
-
$2,814 AUD
View
A
Retailer 14
-
$2,900 AUD
View
A
Retailer 15
-
$2,924 AUD
View
A
Retailer 16
-
$3,001 AUD
View
B+
Retailer 17
-
$3,554 AUD
View
B+
Retailer 18
-
$4,957 AUD
View
Most Expensive
B
NZ Jewellers
ec507c66-be37-4794-813a-ae2f4fb2529f · Nov 5
$6,823 AUD
$4,776 USD
View
18 more retailers have this diamond
Prices start from $2,120 AUDSave up to $4,703 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
1.00ct Round
$2,120 AUD