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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

GD • G/SI2 • GIA 7421531215

Certificate GIA 7421531215

Diamond specifications and retailer prices

From $2,495 SGD
As of November 6, 2026
Save $4,344 SGD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,839 SGD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 7421531215. Listed at 19 retailers as of November 5, 2026, with prices from $2,495 to $6,839, a $4,344 spread on the same certified stone. Diamond Quarter lists it at $6,839. 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
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7421531215
Dimensions6.42 × 6.32 × 3.87 mm
L/W Ratio1.02
Top View
6.42 mm6.32 mm1.00 ctG / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7421531215
Side View
Table 62.0%Crown 31°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 60.8%

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: $2,796 SGD|Low: $2,495 SGD|High: $6,374 SGD|Avg: $3,460 SGD|-13.3%
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
November 6, 2026
Retailer 17$2,495 SGD
Retailer 2$2,567 SGD
Retailer 4$2,687 SGD
Retailer 14$2,762 SGD
Retailer 16$2,762 SGD
Retailer 1$2,796 SGD
Retailer 13$2,832 SGD
Retailer 15$2,889 SGD
Retailer 6$3,187 SGD
Retailer 9$3,188 SGD
Retailer 11$3,206 SGD
Retailer 5$3,257 SGD
Retailer 8$3,257 SGD
Retailer 3$3,359 SGD
Retailer 10$3,786 SGD
Retailer 12$5,339 SGD
Retailer 7$6,374 SGD

36 data points across 17 retailers

19 retailers$2,495 SGD to $6,839 SGD

A
Cheapest Retailer
-
$2,495 SGD
A
Retailer 2
-
$2,567 SGD
View
A
Retailer 3
-
$2,687 SGD
View
Retailer 4
-
$2,762 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$2,762 SGD
View
A
Retailer 6
-
$2,796 SGD
View
A
Retailer 7
-
$2,832 SGD
View
B+
Retailer 8
-
$2,889 SGD
View
B+
Retailer 9
-
$3,187 SGD
View
B+
Retailer 10
-
$3,188 SGD
View
Final sale: no returns
B+
Retailer 11
-
$3,206 SGD
View
B+
Retailer 12
-
$3,219 SGD
View
B+
Retailer 13
-
$3,257 SGD
View
B+
Retailer 14
-
$3,257 SGD
View
B+
Retailer 15
-
$3,359 SGD
View
B+
Retailer 16
-
$3,786 SGD
View
B
Retailer 17
-
$5,339 SGD
View
C
Retailer 18
-
$6,374 SGD
View
Most Expensive
C
Diamond Quarter
1.0SI2G74156F91N · Nov 5
$6,839 SGD
£4,216 GBP
View
18 more retailers have this diamond
Prices start from $2,495 SGDSave up to $4,344 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
$2,495 SGD