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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 $1,749 SGD
As of November 6, 2026
Save $3,966 SGD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,715 SGD 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 $1,749 to $5,715, a $3,966 spread on the same certified stone. NZ Jewellers lists it at $5,715. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,211 SGD|Low: $1,732 SGD|High: $4,154 SGD|Avg: $2,547 SGD|-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$1,749 SGD
Retailer 3$1,875 SGD
Retailer 2$2,162 SGD
Retailer 11$2,171 SGD
Retailer 1$2,211 SGD
Retailer 5$2,433 SGD
Retailer 4$2,451 SGD
Retailer 8$2,558 SGD
Retailer 7$2,585 SGD
Retailer 9$2,717 SGD
Retailer 6$2,997 SGD
Retailer 10$4,094 SGD

40 data points across 12 retailers

19 retailers$1,749 SGD to $5,715 SGD

A
Cheapest Retailer
-
$1,749 SGD
A
Retailer 2
-
$1,875 SGD
View
A
Retailer 3
-
$2,134 SGD
View
A
Retailer 4
-
$2,162 SGD
View
Final sale: no returns
A
Retailer 5
-
$2,171 SGD
View
A
Retailer 6
-
$2,211 SGD
View
Retailer 7
-
$2,343 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,343 SGD
View
A
Retailer 9
-
$2,345 SGD
View
A
Retailer 10
-
$2,433 SGD
View
A
Retailer 11
-
$2,451 SGD
View
A
Retailer 12
-
$2,475 SGD
View
A
Retailer 13
-
$2,558 SGD
View
A
Retailer 14
-
$2,585 SGD
View
A
Retailer 15
-
$2,704 SGD
View
A
Retailer 16
-
$2,717 SGD
View
B+
Retailer 17
-
$2,997 SGD
View
B
Retailer 18
-
$4,094 SGD
View
Most Expensive
B
NZ Jewellers
d8db8af8-f61f-4148-a18a-e8705c5fc50d · Nov 5
$5,715 SGD
$4,474 USD
View
18 more retailers have this diamond
Prices start from $1,749 SGDSave up to $3,966 SGD

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
$1,749 SGD