Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 2454952844

Certificate GIA 2454952844

Diamond specifications and retailer prices

From $2,021 SGD
As of October 31, 2026
Save $3,813 SGD (65%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,833 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 very-good cut grade and certified by GIA 2454952844. Listed at 18 retailers as of October 31, 2026, with prices from $2,021 to $5,833, a $3,813 spread on the same certified stone. NZ Jewellers lists it at $5,833. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2454952844
Dimensions6.27 × 6.19 × 4.02 mm
L/W Ratio1.01
Top View
6.27 mm6.19 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2454952844
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.5%

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: Oct 31
Current: $2,828 SGD|Low: $1,931 SGD|High: $4,947 SGD|Avg: $2,889 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$2,021 SGD
Retailer 9$2,027 SGD
Retailer 7$2,526 SGD
Retailer 11$2,575 SGD
Retailer 10$2,587 SGD
Retailer 1$2,828 SGD
Retailer 2$2,919 SGD
Retailer 4$3,013 SGD
Retailer 3$3,040 SGD
Retailer 6$3,423 SGD
Retailer 5$4,874 SGD

44 data points across 11 retailers

18 retailers$2,021 SGD to $5,833 SGD

A
Cheapest Retailer
-
$2,021 SGD
A
Retailer 2
-
$2,027 SGD
View
B+
Retailer 3
-
$2,468 SGD
View
A
Retailer 4
-
$2,526 SGD
View
B+
Retailer 5
-
$2,575 SGD
View
Final sale: no returns
B+
Retailer 6
-
$2,587 SGD
View
B+
Retailer 7
-
$2,713 SGD
View
B+
Retailer 8
-
$2,790 SGD
View
B+
Retailer 9
-
$2,828 SGD
View
B+
Retailer 10
-
$2,919 SGD
View
B+
Retailer 11
-
$2,967 SGD
View
B+
Retailer 12
-
$3,013 SGD
View
B+
Retailer 13
-
$3,040 SGD
View
B+
Retailer 14
-
$3,219 SGD
View
B+
Retailer 15
-
$3,423 SGD
View
B
Retailer 16
-
$4,449 SGD
View
B
Retailer 17
-
$4,874 SGD
View
Most Expensive
C
NZ Jewellers
eddb234b-b907-40a4-b894-285018945c26 · Nov 5
$5,833 SGD
$4,567 USD
View
17 more retailers have this diamond
Prices start from $2,021 SGDSave up to $3,813 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
$2,021 SGD