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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 2235145421

Certificate GIA 2235145421

Diamond specifications and retailer prices

From $2,960 NZD
As of November 6, 2026
Save $3,822 NZD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,782 NZD at MOH London · As of November 4, 2026
View at MOH London

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 2235145421. Listed at 18 retailers as of November 4, 2026, with prices from $2,960 to $6,782, a $3,822 spread on the same certified stone. MOH London lists it at $6,782. 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
PolishGood
SymmetryGood
FluorescenceNone
Crown angle33°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2235145421
Dimensions6.47 × 6.40 × 3.81 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.47 mm6.40 mm1.00 ctD / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2235145421
Side View
Table 60.0%Crown 33°Girdle: THN-VTKPavilion 40°Culet: NoneDepth 59.5%

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: $6,782 NZD|Low: $2,914 NZD|High: $6,836 NZD|Avg: $3,933 NZD|+1.1%
MOH London
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 5, 2026
Retailer 15$2,960 NZD
Retailer 10$3,085 NZD
Retailer 5$3,111 NZD
Retailer 7$3,227 NZD
Retailer 14$3,246 NZD
Retailer 19$3,275 NZD
Retailer 6$3,307 NZD
Retailer 13$3,480 NZD
Retailer 18$3,517 NZD
Retailer 16$3,764 NZD
Retailer 8$3,867 NZD
Retailer 3$4,091 NZD
Retailer 9$4,091 NZD
Retailer 12$4,191 NZD
Retailer 4$4,234 NZD
Retailer 17$4,470 NZD
Retailer 2$4,920 NZD
Retailer 11$5,573 NZD
MOH London$6,782 NZD

35 data points across 19 retailers

18 retailers$2,960 NZD to $6,782 NZD

B+
Cheapest Retailer
-
$2,960 NZD
A
Retailer 2
-
$3,085 NZD
View
B+
Retailer 3
-
$3,111 NZD
View
B+
Retailer 4
-
$3,227 NZD
View
Final sale: no returns
B+
Retailer 5
-
$3,246 NZD
View
B+
Retailer 6
-
$3,275 NZD
View
B+
Retailer 7
-
$3,307 NZD
View
Retailer 8
-
$3,517 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,764 NZD
View
B+
Retailer 10
-
$3,867 NZD
View
B+
Retailer 11
-
$4,091 NZD
View
B+
Retailer 12
-
$4,091 NZD
View
B+
Retailer 13
-
$4,191 NZD
View
B+
Retailer 14
-
$4,234 NZD
View
B+
Retailer 15
-
$4,470 NZD
View
B+
Retailer 16
-
$4,920 NZD
View
B+
Retailer 17
-
$5,573 NZD
View
Most Expensive
B
MOH London
63C1E4875 · Nov 4
$6,782 NZD
£3,002 GBP
View
17 more retailers have this diamond
Prices start from $2,960 NZDSave up to $3,822 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
$2,960 NZD