Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

GD • D/SI1 • GIA 6332613666

Certificate GIA 6332613666

Diamond specifications and retailer prices

From $2,943 SGD
As of November 6, 2026
Save $3,820 SGD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,763 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 D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 6332613666. Listed at 21 retailers as of November 5, 2026, with prices from $2,943 to $6,763, a $3,820 spread on the same certified stone. NZ Jewellers lists it at $6,763. 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
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6332613666
Dimensions6.24 × 6.18 × 4.08 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
6.24 mm6.18 mm1.00 ctD / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6332613666
Side View
Table 57.0%Crown 38.5°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 66.0%

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: $6,763 SGD|Low: $2,910 SGD|High: $6,763 SGD|Avg: $3,838 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$2,943 SGD
Retailer 12$3,044 SGD
Retailer 14$3,080 SGD
Retailer 8$3,085 SGD
Retailer 18$3,119 SGD
Retailer 5$3,165 SGD
Retailer 19$3,200 SGD
Retailer 10$3,228 SGD
Retailer 9$3,258 SGD
Retailer 7$3,455 SGD
Retailer 3$3,518 SGD
Retailer 6$3,518 SGD
Retailer 4$3,653 SGD
Retailer 21$3,846 SGD
Retailer 2$3,967 SGD
Retailer 11$4,058 SGD
Retailer 13$4,086 SGD
Retailer 16$4,232 SGD
Retailer 15$4,739 SGD
Retailer 17$6,475 SGD
NZ Jewellers$6,763 SGD

32 data points across 21 retailers

21 retailers$2,943 SGD to $6,763 SGD

A
Cheapest Retailer
-
$2,943 SGD
A
Retailer 2
-
$3,044 SGD
View
A
Retailer 3
-
$3,080 SGD
View
B+
Retailer 4
-
$3,085 SGD
View
B+
Retailer 5
-
$3,165 SGD
View
A
Retailer 6
-
$3,200 SGD
View
B+
Retailer 7
-
$3,228 SGD
View
Final sale: no returns
B+
Retailer 8
-
$3,258 SGD
View
B+
Retailer 9
-
$3,455 SGD
View
Retailer 10
-
$3,518 SGD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$3,518 SGD
View
B+
Retailer 12
-
$3,653 SGD
View
B+
Retailer 13
-
$3,846 SGD
View
B+
Retailer 14
-
$3,967 SGD
View
B+
Retailer 15
-
$4,058 SGD
View
B+
Retailer 16
-
$4,086 SGD
View
B+
Retailer 17
-
$4,232 SGD
View
Retailer 18
-
$4,261 SGD
View
Price last confirmed 33 days ago
B
Retailer 19
-
$4,739 SGD
View
B
Retailer 20
-
$6,475 SGD
View
Most Expensive
B
NZ Jewellers
0223bb7a-53df-400b-b13d-e56eb8da2878 · Nov 5
$6,763 SGD
$5,295 USD
View
20 more retailers have this diamond
Prices start from $2,943 SGDSave up to $3,820 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
$2,943 SGD