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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 6415951080

Certificate GIA 6415951080

Diamond specifications and retailer prices

From $2,355 SGD
As of November 6, 2026
Save $4,499 SGD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,854 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6415951080. Listed at 19 retailers as of November 5, 2026, with prices from $2,355 to $6,854, a $4,499 spread on the same certified stone. NZ Jewellers lists it at $6,854. 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
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6415951080
Dimensions6.33 × 6.25 × 4.00 mm
L/W Ratio1.01
Top View
6.33 mm6.25 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6415951080
Side View
Table 60.0%Crown 35°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 63.6%

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: $2,355 SGD|Low: $2,355 SGD|High: $5,812 SGD|Avg: $3,402 SGD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,355 SGD
Retailer 6$2,403 SGD
Retailer 8$2,962 SGD
Retailer 2$3,007 SGD
Retailer 9$3,026 SGD
Retailer 7$3,037 SGD
Retailer 3$3,449 SGD
Retailer 5$3,688 SGD
Retailer 4$5,727 SGD

28 data points across 9 retailers

19 retailers$2,355 SGD to $6,854 SGD

A
Cheapest Retailer
-
$2,355 SGD
A
Retailer 2
-
$2,403 SGD
View
B+
Retailer 3
-
$2,899 SGD
View
B+
Retailer 4
-
$2,962 SGD
View
A
Retailer 5
-
$3,007 SGD
View
B+
Retailer 6
-
$3,026 SGD
View
Final sale: no returns
A
Retailer 7
-
$3,037 SGD
View
Retailer 8
-
$3,113 SGD
View
Price last confirmed 109 days ago
B+
Retailer 9
-
$3,279 SGD
View
B+
Retailer 10
-
$3,331 SGD
View
B+
Retailer 11
-
$3,430 SGD
View
B+
Retailer 12
-
$3,449 SGD
View
B+
Retailer 13
-
$3,458 SGD
View
B+
Retailer 14
-
$3,688 SGD
View
B+
Retailer 15
-
$3,782 SGD
View
B
Retailer 16
-
$5,052 SGD
View
B
Retailer 17
-
$5,727 SGD
View
B
Retailer 18
-
$6,120 SGD
View
Most Expensive
B
NZ Jewellers
0bf9288f-91fa-4ac4-bf02-aa7357af922c · Nov 5
$6,854 SGD
$5,366 USD
View
18 more retailers have this diamond
Prices start from $2,355 SGDSave up to $4,499 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
$2,355 SGD