Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5553372344

Certificate GIA 5553372344

Diamond specifications and retailer prices

From $3,073 SGD
As of November 5, 2026
Save $1,875 SGD (38%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $7,178 SGD at NZ Jewellers · As of October 9, 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 top-tier cut grade and certified by GIA 5553372344. Listed at 28 retailers as of November 5, 2026, with a 61% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553372344
Dimensions6.40 × 6.35 × 3.99 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
6.40 mm6.35 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553372344
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

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 5
Current: $7,178 SGD|Low: $2,741 SGD|High: $8,354 SGD|Avg: $4,262 SGD
NZ Jewellers
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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 6, 2026
Retailer 7$2,741 SGD
Retailer 6$2,868 SGD
Retailer 23$3,073 SGD
Retailer 15$3,129 SGD
Retailer 11$3,155 SGD
Retailer 8$3,174 SGD
Retailer 12$3,230 SGD
Retailer 20$3,391 SGD
Retailer 14$3,543 SGD
Retailer 17$3,596 SGD
Retailer 2$3,879 SGD
Retailer 3$3,970 SGD
Retailer 10$4,089 SGD
Retailer 18$4,169 SGD
Retailer 4$4,177 SGD
Retailer 22$4,177 SGD
Retailer 13$4,317 SGD
Retailer 19$4,442 SGD
Retailer 9$4,639 SGD
Retailer 16$4,695 SGD
Retailer 21$4,948 SGD
Retailer 5$6,576 SGD
NZ Jewellers$7,178 SGD

19 data points across 23 retailers

28 retailers$3,073 SGD to $4,948 SGD

Retailer 1
-
$2,741 SGD
Price last confirmed 9 days ago
Retailer 2
-
$2,868 SGD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$3,073 SGD
View
Retailer 4
-
$3,129 SGD
View
Price last confirmed 16 days ago
Retailer 5
-
$3,155 SGD
View
Price last confirmed 11 days ago
Retailer 6
-
$3,174 SGD
View
Price last confirmed 9 days ago
Retailer 7
-
$3,230 SGD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$3,391 SGD
View
Final sale: no returns
Retailer 9
-
$3,543 SGD
View
Price last confirmed 12 days ago
Retailer 10
-
$3,543 SGD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$3,596 SGD
View
Retailer 12
-
$3,680 SGD
View
Price last confirmed 12 days ago
Retailer 13
-
$3,732 SGD
View
Price last confirmed 25 days ago
Retailer 14
-
$3,732 SGD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
$3,879 SGD
View
B+
Retailer 16
-
$3,970 SGD
View
Retailer 17
-
$4,089 SGD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
$4,169 SGD
View
B+
Retailer 19
-
$4,177 SGD
View
B+
Retailer 20
-
$4,177 SGD
View
Retailer 21
-
$4,307 SGD
View
Price last confirmed 28 days ago
B+
Retailer 22
-
$4,317 SGD
View
B+
Retailer 23
-
$4,442 SGD
View
Retailer 24
-
$4,639 SGD
View
Price last confirmed 10 days ago
Retailer 25
-
$4,695 SGD
View
Price last confirmed 24 days ago
B+
Retailer 26
-
$4,948 SGD
View
Retailer 27
-
$6,576 SGD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
be185f9c-4bed-42f0-a803-0f81cb0430b9 · Oct 9
$7,178 SGD
$5,620 USD
View
Price last confirmed 28 days ago
27 more retailers have this diamond
Prices start from $3,073 SGDSave up to $1,875 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
$3,073 SGD