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Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 2245003721

Certificate GIA 2245003721

Diamond specifications and retailer prices

From $3,368 SGD
As of November 6, 2026
27 retailers carry this diamond
Most expensive: $7,544 SGD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2245003721. Listed at 27 retailers as of November 6, 2026. 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
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245003721
Dimensions6.25 × 3.97 × 3.97 mm
L/W Ratio1.57
Culet sizeNone
Top View
6.25 mm3.97 mm1.00 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245003721
Side View
Table 60.0%Crown 36.5°Girdle: MED-THKPavilion 41°Culet: NoneDepth 63.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,355 SGD|Low: $2,599 SGD|High: $11,496 SGD|Avg: $3,866 SGD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 7$2,713 SGD
Retailer 9$2,802 SGD
Retailer 8$2,896 SGD
Retailer 4$2,953 SGD
Retailer 5$3,011 SGD
Retailer 6$3,017 SGD
Retailer 15$3,238 SGD
Retailer 11$3,285 SGD
Retailer 16$3,295 SGD
Retailer 12$3,490 SGD
Retailer 2$3,742 SGD
Retailer 18$3,742 SGD
Retailer 14$3,810 SGD
Retailer 13$3,870 SGD
Retailer 10$4,043 SGD
Retailer 3$4,216 SGD
Retailer 19$4,393 SGD
Retailer 17$4,417 SGD
Retailer 1$6,355 SGD

25 data points across 19 retailers

27 retailers

Retailer 1
-
$2,713 SGD
Price last confirmed 7 days ago
Retailer 2
-
$2,802 SGD
View
Price last confirmed 26 days ago
Retailer 3
-
$2,887 SGD
View
Price last confirmed 9 days ago
Retailer 4
-
$2,896 SGD
View
Price last confirmed 11 days ago
Retailer 5
-
$2,953 SGD
View
Price last confirmed 9 days ago
Retailer 6
-
$3,011 SGD
View
Price last confirmed 10 days ago
Retailer 7
-
$3,155 SGD
View
Price last confirmed 30 days ago
Retailer 8
-
$3,238 SGD
View
Price last confirmed 9 days ago
Retailer 9
-
$3,285 SGD
View
Price last confirmed 29 days ago
Retailer 10
-
$3,295 SGD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$3,368 SGD
View
Retailer 12
-
$3,490 SGD
View
Price last confirmed 9 days ago
Retailer 13
-
$3,608 SGD
View
Price last confirmed 25 days ago
Retailer 14
-
$3,608 SGD
View
Price last confirmed 28 days ago
Retailer 15
-
$3,737 SGD
View
Price last confirmed 26 days ago
Retailer 16
-
$3,742 SGD
View
Price last confirmed 9 days ago
Retailer 17
-
$3,742 SGD
View
Price last confirmed 11 days ago
Retailer 18
-
$3,748 SGD
View
Price last confirmed 38 days ago
Retailer 19
-
$3,810 SGD
View
Price last confirmed 9 days ago
Retailer 20
-
$3,870 SGD
View
Price last confirmed 9 days ago
Retailer 21
-
$4,043 SGD
View
Price last confirmed 30 days ago
Retailer 22
-
$4,163 SGD
View
Price last confirmed 28 days ago
Retailer 23
-
$4,216 SGD
View
Price last confirmed 11 days ago
Retailer 24
-
$4,393 SGD
View
Price last confirmed 11 days ago
Retailer 25
-
$4,417 SGD
View
Price last confirmed 8 days ago
Retailer 26
-
$6,355 SGD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
f72310fd-152a-4fd3-993c-35f3170d8946 · Sep 27
$7,544 SGD
$5,906 USD
View
Price last confirmed 40 days ago
26 more retailers have this diamond
Prices start from $3,368 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.

B+
1.00ct Round
$3,368 SGD