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Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1242015511

Certificate GIA 1242015511

Diamond specifications and retailer prices

From $2,846 SGD
As of November 4, 2026
Save $3,602 SGD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,848 SGD at NZ Jewellers · As of October 17, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1242015511. Listed at 11 retailers as of November 2, 2026, with a 127% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242015511
Dimensions6.31 × 6.36 × 3.97 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Pinpoint, Natural
Top View
6.31 mm6.36 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1242015511
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: $3,305 SGD|Low: $2,846 SGD|High: $6,957 SGD|Avg: $4,210 SGD|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 5$2,846 SGD
Retailer 1$3,305 SGD
Retailer 4$3,472 SGD
Retailer 8$3,931 SGD
Retailer 6$3,996 SGD
Retailer 9$4,051 SGD
Retailer 2$4,406 SGD
Retailer 7$5,958 SGD
Retailer 3$6,448 SGD

41 data points across 9 retailers

11 retailers$2,846 SGD to $6,448 SGD

A
Cheapest Retailer
-
$2,846 SGD
A
Retailer 2
-
$3,305 SGD
View
A
Retailer 3
-
$3,472 SGD
View
Retailer 4
-
$3,931 SGD
View
Price last confirmed 15 days ago
Retailer 5
-
$3,996 SGD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$4,051 SGD
View
Retailer 7
-
$4,120 SGD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
$4,406 SGD
View
Retailer 9
-
$5,958 SGD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$6,448 SGD
View
Most Expensive
NZ Jewellers
a9ac2355-826d-4469-8702-f25364f15cf1 · Oct 17
$6,848 SGD
$5,359 USD
View
Price last confirmed 18 days ago
10 more retailers have this diamond
Prices start from $2,846 SGDSave up to $3,602 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
$2,846 SGD