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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 $1,369 USD
As of November 4, 2026
Save $3,105 USD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,474 USD 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 4, 2026, with prices from $1,369 to $4,474, a $3,105 spread on the same certified stone. NZ Jewellers lists it at $4,474. 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
Color
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 4
Current: $1,731 USD|Low: $1,356 USD|High: $3,252 USD|Avg: $1,994 USD|-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$1,369 USD
Retailer 3$1,468 USD
Retailer 2$1,693 USD
Retailer 11$1,700 USD
Retailer 1$1,731 USD
Retailer 5$1,905 USD
Retailer 4$1,919 USD
Retailer 8$2,003 USD
Retailer 7$2,024 USD
Retailer 9$2,127 USD
Retailer 6$2,346 USD
Retailer 10$3,205 USD

40 data points across 12 retailers

19 retailers$1,369 USD to $4,474 USD

A
Cheapest Retailer
-
$1,369 USD
A
Retailer 2
-
$1,468 USD
View
A
Retailer 3
-
$1,671 USD
View
A
Retailer 4
-
$1,693 USD
View
Final sale: no returns
A
Retailer 5
-
$1,700 USD
View
A
Retailer 6
-
$1,731 USD
View
Retailer 7
-
$1,834 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,834 USD
View
A
Retailer 9
-
$1,836 USD
View
A
Retailer 10
-
$1,905 USD
View
A
Retailer 11
-
$1,919 USD
View
A
Retailer 12
-
$1,938 USD
View
A
Retailer 13
-
$2,003 USD
View
A
Retailer 14
-
$2,024 USD
View
A
Retailer 15
-
$2,117 USD
View
A
Retailer 16
-
$2,127 USD
View
B+
Retailer 17
-
$2,346 USD
View
B
Retailer 18
-
$3,205 USD
View
Most Expensive
B
NZ Jewellers
d8db8af8-f61f-4148-a18a-e8705c5fc50d · Nov 5
$4,474 USD
View
18 more retailers have this diamond
Prices start from $1,369 USDSave up to $3,105 USD

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
$1,369 USD