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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 5151807441

Certificate GIA 5151807441

Diamond specifications and retailer prices

From $5,185 AUD
As of November 5, 2026
Save $6,577 AUD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,762 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 5151807441. Listed at 20 retailers as of November 5, 2026, with prices from $5,185 to $11,762, a $6,577 spread on the same certified stone. NZ Jewellers lists it at $11,762. 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
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5151807441
Dimensions6.52 × 6.44 × 3.89 mm
L/W Ratio1.01
Top View
6.52 mm6.44 mm1.00 ctD / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5151807441
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $11,762 AUD|Low: $4,704 AUD|High: $11,762 AUD|Avg: $7,416 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
November 6, 2026
Retailer 8$5,250 AUD
Retailer 10$5,645 AUD
Retailer 4$5,795 AUD
Retailer 11$6,115 AUD
Retailer 12$6,115 AUD
Retailer 14$6,115 AUD
Retailer 7$6,604 AUD
Retailer 13$7,057 AUD
Retailer 2$7,171 AUD
Retailer 3$7,455 AUD
Retailer 5$8,090 AUD
Retailer 6$9,880 AUD
Retailer 9$10,752 AUD
NZ Jewellers$11,762 AUD

40 data points across 14 retailers

20 retailers$5,185 AUD to $11,762 AUD

B
Cheapest Retailer
-
$5,185 AUD
B+
Retailer 2
-
$5,250 AUD
View
B
Retailer 3
-
$5,381 AUD
View
B
Retailer 4
-
$5,645 AUD
View
Final sale: no returns
B
Retailer 5
-
$5,773 AUD
View
B
Retailer 6
-
$5,795 AUD
View
B
Retailer 7
-
$6,115 AUD
View
Retailer 8
-
$6,115 AUD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$6,115 AUD
View
B
Retailer 10
-
$6,604 AUD
View
B
Retailer 11
-
$6,660 AUD
View
B
Retailer 12
-
$6,885 AUD
View
B
Retailer 13
-
$6,885 AUD
View
B
Retailer 14
-
$7,057 AUD
View
B
Retailer 15
-
$7,114 AUD
View
B
Retailer 16
-
$7,171 AUD
View
Retailer 17
-
$7,455 AUD
View
Price last confirmed 14 days ago
C
Retailer 18
-
$10,262 AUD
View
C
Retailer 19
-
$10,752 AUD
View
Most Expensive
C
NZ Jewellers
d8f8aaed-5d6c-49ad-a4ac-db313940aff6 · Nov 5
$11,762 AUD
$8,234 USD
View
19 more retailers have this diamond
Prices start from $5,185 AUDSave up to $6,577 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.

B+
1.00ct Round
$5,185 AUD