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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2486841401

Certificate GIA 2486841401

Diamond specifications and retailer prices

From $2,435 NZD
As of November 6, 2026
Save $5,523 NZD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,959 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 top-tier cut grade and certified by GIA 2486841401. Listed at 19 retailers as of November 5, 2026, with prices from $2,435 to $7,959, a $5,523 spread on the same certified stone. NZ Jewellers lists it at $7,959. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2486841401
Dimensions6.41 × 6.38 × 3.98 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.41 mm6.38 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2486841401
Side View
Table 55.0%Crown 33.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 62.3%

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: $3,079 NZD|Low: $2,412 NZD|High: $5,785 NZD|Avg: $3,547 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$2,435 NZD
Retailer 3$2,611 NZD
Retailer 2$3,012 NZD
Retailer 11$3,024 NZD
Retailer 1$3,079 NZD
Retailer 5$3,389 NZD
Retailer 4$3,414 NZD
Retailer 8$3,563 NZD
Retailer 7$3,600 NZD
Retailer 9$3,784 NZD
Retailer 6$4,173 NZD
Retailer 10$5,701 NZD

40 data points across 12 retailers

19 retailers$2,435 NZD to $7,959 NZD

A
Cheapest Retailer
-
$2,435 NZD
A
Retailer 2
-
$2,611 NZD
View
A
Retailer 3
-
$2,973 NZD
View
A
Retailer 4
-
$3,012 NZD
View
Final sale: no returns
A
Retailer 5
-
$3,024 NZD
View
A
Retailer 6
-
$3,079 NZD
View
Retailer 7
-
$3,263 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$3,263 NZD
View
A
Retailer 9
-
$3,266 NZD
View
A
Retailer 10
-
$3,389 NZD
View
A
Retailer 11
-
$3,414 NZD
View
A
Retailer 12
-
$3,448 NZD
View
A
Retailer 13
-
$3,563 NZD
View
A
Retailer 14
-
$3,600 NZD
View
A
Retailer 15
-
$3,766 NZD
View
A
Retailer 16
-
$3,784 NZD
View
B+
Retailer 17
-
$4,173 NZD
View
B
Retailer 18
-
$5,701 NZD
View
Most Expensive
B
NZ Jewellers
d8db8af8-f61f-4148-a18a-e8705c5fc50d · Nov 5
$7,959 NZD
$4,474 USD
View
18 more retailers have this diamond
Prices start from $2,435 NZDSave up to $5,523 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
$2,435 NZD