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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2434111237

Certificate GIA 2434111237

Diamond specifications and retailer prices

From $2,673 SGD
As of November 6, 2026
Save $5,040 SGD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,714 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 2434111237. Listed at 19 retailers as of November 5, 2026, with prices from $2,673 to $7,714, a $5,040 spread on the same certified stone. NZ Jewellers lists it at $7,714. 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
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2434111237
Dimensions6.53 × 6.50 × 3.85 mm
L/W Ratio1.00
Top View
6.53 mm6.50 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2434111237
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.1%

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: $2,673 SGD|Low: $2,585 SGD|High: $6,243 SGD|Avg: $3,719 SGD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$2,673 SGD
Retailer 7$2,713 SGD
Retailer 9$3,274 SGD
Retailer 8$3,303 SGD
Retailer 10$3,404 SGD
Retailer 3$3,769 SGD
Retailer 2$3,831 SGD
Retailer 4$3,882 SGD
Retailer 6$4,192 SGD
Retailer 5$6,153 SGD

42 data points across 10 retailers

19 retailers$2,673 SGD to $7,714 SGD

A
Cheapest Retailer
-
$2,673 SGD
A
Retailer 2
-
$2,713 SGD
View
B+
Retailer 3
-
$3,150 SGD
View
B+
Retailer 4
-
$3,274 SGD
View
B+
Retailer 5
-
$3,303 SGD
View
B+
Retailer 6
-
$3,404 SGD
View
Final sale: no returns
B+
Retailer 7
-
$3,518 SGD
View
B+
Retailer 8
-
$3,689 SGD
View
Retailer 9
-
$3,689 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,769 SGD
View
Retailer 11
-
$3,811 SGD
View
Price last confirmed 109 days ago
B+
Retailer 12
-
$3,831 SGD
View
B
Retailer 13
-
$3,870 SGD
View
B+
Retailer 14
-
$3,882 SGD
View
B+
Retailer 15
-
$4,192 SGD
View
B
Retailer 16
-
$4,257 SGD
View
B
Retailer 17
-
$4,449 SGD
View
B
Retailer 18
-
$6,153 SGD
View
Most Expensive
B
NZ Jewellers
2eb25f1f-469e-43b5-9c22-8be582780b0b · Nov 5
$7,714 SGD
$6,039 USD
View
18 more retailers have this diamond
Prices start from $2,673 SGDSave up to $5,040 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
$2,673 SGD