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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 $6,457 NZD
As of November 5, 2026
Save $8,190 NZD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,647 NZD 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 $6,457 to $14,647, a $8,190 spread on the same certified stone. NZ Jewellers lists it at $14,647. 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: $14,647 NZD|Low: $5,858 NZD|High: $14,647 NZD|Avg: $9,235 NZD
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$6,537 NZD
Retailer 10$7,030 NZD
Retailer 4$7,217 NZD
Retailer 11$7,615 NZD
Retailer 12$7,615 NZD
Retailer 14$7,615 NZD
Retailer 7$8,224 NZD
Retailer 13$8,788 NZD
Retailer 2$8,930 NZD
Retailer 3$9,284 NZD
Retailer 5$10,074 NZD
Retailer 6$12,303 NZD
Retailer 9$13,390 NZD
NZ Jewellers$14,647 NZD

40 data points across 14 retailers

20 retailers$6,457 NZD to $14,647 NZD

B
Cheapest Retailer
-
$6,457 NZD
B+
Retailer 2
-
$6,537 NZD
View
B
Retailer 3
-
$6,701 NZD
View
B
Retailer 4
-
$7,030 NZD
View
Final sale: no returns
B
Retailer 5
-
$7,189 NZD
View
B
Retailer 6
-
$7,217 NZD
View
B
Retailer 7
-
$7,615 NZD
View
Retailer 8
-
$7,615 NZD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$7,615 NZD
View
B
Retailer 10
-
$8,224 NZD
View
B
Retailer 11
-
$8,293 NZD
View
B
Retailer 12
-
$8,574 NZD
View
B
Retailer 13
-
$8,574 NZD
View
B
Retailer 14
-
$8,788 NZD
View
B
Retailer 15
-
$8,859 NZD
View
B
Retailer 16
-
$8,930 NZD
View
Retailer 17
-
$9,284 NZD
View
Price last confirmed 14 days ago
C
Retailer 18
-
$12,780 NZD
View
C
Retailer 19
-
$13,390 NZD
View
Most Expensive
C
NZ Jewellers
d8f8aaed-5d6c-49ad-a4ac-db313940aff6 · Nov 5
$14,647 NZD
$8,234 USD
View
19 more retailers have this diamond
Prices start from $6,457 NZDSave up to $8,190 NZD

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
$6,457 NZD