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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 6542551989

Certificate GIA 6542551989

Diamond specifications and retailer prices

From $2,640 NZD
As of November 5, 2026
Save $5,856 NZD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,496 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 6542551989. Listed at 19 retailers as of November 5, 2026, with prices from $2,640 to $8,496, a $5,856 spread on the same certified stone. NZ Jewellers lists it at $8,496. 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: $8,496 NZD|Low: $2,640 NZD|High: $8,617 NZD|Avg: $3,791 NZD|-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$2,640 NZD
Retailer 4$2,876 NZD
Retailer 15$2,914 NZD
Retailer 9$2,974 NZD
Retailer 14$2,985 NZD
Retailer 11$3,035 NZD
Retailer 3$3,156 NZD
Retailer 10$3,200 NZD
Retailer 8$3,220 NZD
Retailer 16$3,255 NZD
Retailer 7$3,302 NZD
Retailer 6$3,504 NZD
Retailer 18$3,504 NZD
Retailer 2$3,611 NZD
Retailer 17$3,641 NZD
Retailer 12$3,737 NZD
Retailer 13$4,426 NZD
Retailer 5$6,173 NZD
NZ Jewellers$8,496 NZD

31 data points across 19 retailers

19 retailers$2,640 NZD to $8,496 NZD

A
Cheapest Retailer
-
$2,640 NZD
A
Retailer 2
-
$2,876 NZD
View
A
Retailer 3
-
$2,914 NZD
View
Final sale: no returns
A
Retailer 4
-
$2,974 NZD
View
A
Retailer 5
-
$2,985 NZD
View
A
Retailer 6
-
$3,035 NZD
View
A
Retailer 7
-
$3,156 NZD
View
Retailer 8
-
$3,200 NZD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$3,220 NZD
View
A
Retailer 10
-
$3,255 NZD
View
A
Retailer 11
-
$3,302 NZD
View
A
Retailer 12
-
$3,504 NZD
View
A
Retailer 13
-
$3,504 NZD
View
A
Retailer 14
-
$3,611 NZD
View
A
Retailer 15
-
$3,641 NZD
View
A
Retailer 16
-
$3,737 NZD
View
B+
Retailer 17
-
$4,426 NZD
View
B+
Retailer 18
-
$6,173 NZD
View
Most Expensive
B
NZ Jewellers
ec507c66-be37-4794-813a-ae2f4fb2529f · Nov 5
$8,496 NZD
$4,776 USD
View
18 more retailers have this diamond
Prices start from $2,640 NZDSave up to $5,856 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.

A
1.00ct Round
$2,640 NZD