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Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 6485924249

Certificate GIA 6485924249

Diamond specifications and retailer prices

From $2,599 SGD
As of November 6, 2026
Save $4,683 SGD (64%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,282 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6485924249. Listed at 22 retailers as of November 5, 2026, with prices from $2,599 to $7,282, a $4,683 spread on the same certified stone. NZ Jewellers lists it at $7,282. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6485924249
Dimensions6.24 × 6.17 × 4.00 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.24 mm6.17 mm1.00 ctG / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6485924249
Side View
Table 57.0%Crown 38°Girdle: ThickPavilion 40.2°Culet: NoneDepth 64.4%

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: $7,282 SGD|Low: $2,566 SGD|High: $7,282 SGD|Avg: $3,837 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
November 6, 2026
Retailer 20$2,599 SGD
Retailer 21$2,804 SGD
Retailer 6$3,120 SGD
Retailer 10$3,214 SGD
Retailer 11$3,223 SGD
Retailer 2$3,332 SGD
Retailer 8$3,430 SGD
Retailer 4$3,483 SGD
Retailer 12$3,483 SGD
Retailer 9$3,551 SGD
Retailer 13$3,606 SGD
Retailer 7$3,617 SGD
Retailer 3$3,663 SGD
Retailer 15$3,665 SGD
Retailer 14$3,822 SGD
Retailer 5$4,020 SGD
Retailer 16$4,080 SGD
Retailer 18$4,251 SGD
Retailer 17$4,316 SGD
Retailer 19$6,086 SGD
NZ Jewellers$7,282 SGD

28 data points across 21 retailers

22 retailers$2,599 SGD to $7,282 SGD

A
Cheapest Retailer
-
$2,599 SGD
B+
Retailer 2
-
$2,804 SGD
View
B+
Retailer 3
-
$3,120 SGD
View
B+
Retailer 4
-
$3,214 SGD
View
Final sale: no returns
B+
Retailer 5
-
$3,223 SGD
View
B+
Retailer 6
-
$3,332 SGD
View
B+
Retailer 7
-
$3,430 SGD
View
Retailer 8
-
$3,483 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,483 SGD
View
B+
Retailer 10
-
$3,551 SGD
View
B+
Retailer 11
-
$3,606 SGD
View
B+
Retailer 12
-
$3,617 SGD
View
B+
Retailer 13
-
$3,663 SGD
View
B+
Retailer 14
-
$3,665 SGD
View
Retailer 15
-
$3,822 SGD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
$4,020 SGD
View
B+
Retailer 17
-
$4,080 SGD
View
B
Retailer 18
-
$4,251 SGD
View
B
Retailer 19
-
$4,316 SGD
View
B
Retailer 20
-
$6,086 SGD
View
B
Retailer 21
-
$6,756 SGD
View
Most Expensive
C
NZ Jewellers
be3caa5f-79b1-4bc8-a275-92672e6c89a4 · Nov 5
$7,282 SGD
$5,701 USD
View
21 more retailers have this diamond
Prices start from $2,599 SGDSave up to $4,683 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
$2,599 SGD