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Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 6315036607

Certificate GIA 6315036607

Diamond specifications and retailer prices

From $3,218 SGD
As of November 6, 2026
Save $5,539 SGD (63%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $8,756 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6315036607. Listed at 29 retailers as of November 5, 2026, with prices from $3,218 to $8,756, a $5,539 spread on the same certified stone. Diamond Quarter lists it at $8,756. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6315036607
Dimensions6.39 × 6.35 × 3.97 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.39 mm6.35 mm1.00 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6315036607
Side View
Table 60.0%Crown 34°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 62.3%

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: $3,794 SGD|Low: $3,218 SGD|High: $7,208 SGD|Avg: $4,231 SGD|-1.9%
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 2$3,218 SGD
Retailer 14$3,264 SGD
Retailer 9$3,404 SGD
Retailer 3$3,525 SGD
Retailer 4$3,592 SGD
Retailer 6$3,633 SGD
Retailer 5$3,661 SGD
Retailer 10$3,663 SGD
Retailer 1$3,794 SGD
Retailer 16$4,095 SGD
Retailer 8$4,145 SGD
Retailer 17$4,274 SGD
Retailer 7$4,601 SGD
Retailer 13$4,626 SGD
Retailer 11$4,840 SGD
Retailer 12$6,613 SGD
Retailer 15$7,135 SGD

30 data points across 17 retailers

29 retailers$3,218 SGD to $8,756 SGD

A
Cheapest Retailer
-
$3,218 SGD
A
Retailer 2
-
$3,264 SGD
View
B+
Retailer 3
-
$3,404 SGD
View
B+
Retailer 4
-
$3,525 SGD
View
Retailer 5
-
$3,592 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,592 SGD
View
B+
Retailer 7
-
$3,633 SGD
View
B+
Retailer 8
-
$3,661 SGD
View
Final sale: no returns
B+
Retailer 9
-
$3,663 SGD
View
B+
Retailer 10
-
$3,686 SGD
View
B+
Retailer 11
-
$3,705 SGD
View
B+
Retailer 12
-
$3,731 SGD
View
B+
Retailer 13
-
$3,794 SGD
View
B+
Retailer 14
-
$3,883 SGD
View
B+
Retailer 15
-
$3,883 SGD
View
B+
Retailer 16
-
$4,011 SGD
View
Retailer 17
-
$4,095 SGD
View
Price last confirmed 11 days ago
Retailer 18
-
$4,137 SGD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
$4,145 SGD
View
Retailer 20
-
$4,236 SGD
View
Price last confirmed 30 days ago
Retailer 21
-
$4,274 SGD
View
Price last confirmed 12 days ago
Retailer 22
-
$4,601 SGD
View
Price last confirmed 14 days ago
B+
Retailer 23
-
$4,626 SGD
View
B+
Retailer 24
-
$4,840 SGD
View
B
Retailer 25
-
$6,613 SGD
View
B
Retailer 26
-
$6,909 SGD
View
Retailer 27
-
$7,135 SGD
View
Price last confirmed 10 days ago
Retailer 28
-
$7,208 SGD
View
Price last confirmed 31 days ago
Most Expensive
B
Diamond Quarter
1.0SI1G63072626N · Nov 5
$8,756 SGD
£5,398 GBP
View
28 more retailers have this diamond
Prices start from $3,218 SGDSave up to $5,539 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
$3,218 SGD