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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 2454952844

Certificate GIA 2454952844

Diamond specifications and retailer prices

From $2,814 NZD
As of October 31, 2026
Save $5,310 NZD (65%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,124 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2454952844. Listed at 18 retailers as of October 31, 2026, with prices from $2,814 to $8,124, a $5,310 spread on the same certified stone. NZ Jewellers lists it at $8,124. 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
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2454952844
Dimensions6.27 × 6.19 × 4.02 mm
L/W Ratio1.01
Top View
6.27 mm6.19 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2454952844
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.5%

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: Oct 31
Current: $3,938 NZD|Low: $2,690 NZD|High: $6,890 NZD|Avg: $4,023 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$2,814 NZD
Retailer 9$2,823 NZD
Retailer 7$3,519 NZD
Retailer 11$3,586 NZD
Retailer 10$3,602 NZD
Retailer 1$3,938 NZD
Retailer 2$4,065 NZD
Retailer 4$4,196 NZD
Retailer 3$4,234 NZD
Retailer 6$4,767 NZD
Retailer 5$6,788 NZD

44 data points across 11 retailers

18 retailers$2,814 NZD to $8,124 NZD

A
Cheapest Retailer
-
$2,814 NZD
A
Retailer 2
-
$2,823 NZD
View
B+
Retailer 3
-
$3,437 NZD
View
A
Retailer 4
-
$3,519 NZD
View
B+
Retailer 5
-
$3,586 NZD
View
Final sale: no returns
B+
Retailer 6
-
$3,602 NZD
View
B+
Retailer 7
-
$3,778 NZD
View
B+
Retailer 8
-
$3,885 NZD
View
B+
Retailer 9
-
$3,938 NZD
View
B+
Retailer 10
-
$4,065 NZD
View
B+
Retailer 11
-
$4,132 NZD
View
B+
Retailer 12
-
$4,196 NZD
View
B+
Retailer 13
-
$4,234 NZD
View
B+
Retailer 14
-
$4,483 NZD
View
B+
Retailer 15
-
$4,767 NZD
View
B
Retailer 16
-
$6,196 NZD
View
B
Retailer 17
-
$6,788 NZD
View
Most Expensive
C
NZ Jewellers
eddb234b-b907-40a4-b894-285018945c26 · Nov 5
$8,124 NZD
$4,567 USD
View
17 more retailers have this diamond
Prices start from $2,814 NZDSave up to $5,310 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
$2,814 NZD