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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6381883118

Certificate GIA 6381883118

Diamond specifications and retailer prices

From $3,285 SGD
As of November 6, 2026
Save $4,279 SGD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,564 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6381883118. Listed at 23 retailers as of November 5, 2026, with prices from $3,285 to $7,564, a $4,279 spread on the same certified stone. NZ Jewellers lists it at $7,564. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6381883118
Dimensions6.42 × 6.39 × 4.03 mm
L/W Ratio1.00
Top View
6.42 mm6.39 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6381883118
Side View
Table 56.0%Crown 36.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,564 SGD|Low: $3,253 SGD|High: $7,564 SGD|Avg: $4,682 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
Retailer 22
November 5, 2026
Retailer 19$3,285 SGD
Retailer 22$3,407 SGD
Retailer 5$3,422 SGD
Retailer 20$3,477 SGD
Retailer 11$3,598 SGD
Retailer 6$3,629 SGD
Retailer 8$3,826 SGD
Retailer 7$3,934 SGD
Retailer 12$3,934 SGD
Retailer 3$4,018 SGD
Retailer 10$4,085 SGD
Retailer 16$4,465 SGD
Retailer 9$4,471 SGD
Retailer 14$4,471 SGD
Retailer 21$4,538 SGD
Retailer 4$4,624 SGD
Retailer 13$4,738 SGD
Retailer 15$4,755 SGD
Retailer 2$5,300 SGD
Retailer 17$6,266 SGD
Retailer 18$7,260 SGD
NZ Jewellers$7,564 SGD

37 data points across 22 retailers

23 retailers$3,285 SGD to $7,564 SGD

A
Cheapest Retailer
-
$3,285 SGD
A
Retailer 2
-
$3,407 SGD
View
A
Retailer 3
-
$3,422 SGD
View
A
Retailer 4
-
$3,477 SGD
View
A
Retailer 5
-
$3,598 SGD
View
Final sale: no returns
A
Retailer 6
-
$3,629 SGD
View
A
Retailer 7
-
$3,826 SGD
View
B+
Retailer 8
-
$3,934 SGD
View
Retailer 9
-
$3,934 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$4,018 SGD
View
B+
Retailer 11
-
$4,085 SGD
View
B+
Retailer 12
-
$4,465 SGD
View
B+
Retailer 13
-
$4,471 SGD
View
B+
Retailer 14
-
$4,471 SGD
View
B+
Retailer 15
-
$4,538 SGD
View
B+
Retailer 16
-
$4,624 SGD
View
B+
Retailer 17
-
$4,738 SGD
View
Retailer 18
-
$4,755 SGD
View
Price last confirmed 33 days ago
Retailer 19
-
$5,026 SGD
View
Price last confirmed 14 days ago
B+
Retailer 20
-
$5,300 SGD
View
B
Retailer 21
-
$6,266 SGD
View
B
Retailer 22
-
$7,260 SGD
View
Most Expensive
B
NZ Jewellers
4ded0bb0-e781-46f5-b318-40d8cc921597 · Nov 5
$7,564 SGD
$5,922 USD
View
22 more retailers have this diamond
Prices start from $3,285 SGDSave up to $4,279 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
1.01ct Round
$3,285 SGD