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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2546684324

Certificate GIA 2546684324

Diamond specifications and retailer prices

From $3,306 SGD
As of November 6, 2026
Save $4,422 SGD (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,728 SGD at NZ Jewellers · As of October 27, 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 2546684324. Listed at 24 retailers as of November 5, 2026, with a 134% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2546684324
Dimensions6.38 × 6.43 × 3.97 mm
L/W Ratio1.01
Star length50%
Top View
6.38 mm6.43 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2546684324
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: $3,306 SGD|Low: $3,306 SGD|High: $7,507 SGD|Avg: $4,789 SGD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$3,306 SGD
Retailer 8$3,318 SGD
Retailer 9$4,094 SGD
Retailer 2$4,244 SGD
Retailer 4$4,534 SGD
Retailer 3$4,603 SGD
Retailer 6$4,841 SGD
Retailer 5$5,413 SGD
Retailer 7$7,397 SGD

28 data points across 9 retailers

24 retailers$3,306 SGD to $7,728 SGD

A
Cheapest Retailer
-
$3,306 SGD
A
Retailer 2
-
$3,318 SGD
View
A
Retailer 3
-
$3,938 SGD
View
B+
Retailer 4
-
$3,998 SGD
View
B+
Retailer 5
-
$4,094 SGD
View
Final sale: no returns
B+
Retailer 6
-
$4,244 SGD
View
B+
Retailer 7
-
$4,273 SGD
View
Retailer 8
-
$4,435 SGD
View
Price last confirmed 11 days ago
Retailer 9
-
$4,435 SGD
View
Price last confirmed 50 days ago
Retailer 10
-
$4,436 SGD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$4,534 SGD
View
B+
Retailer 12
-
$4,603 SGD
View
Retailer 13
-
$4,606 SGD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$4,620 SGD
View
Retailer 15
-
$4,755 SGD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$4,841 SGD
View
B+
Retailer 17
-
$4,865 SGD
View
Retailer 18
-
$5,118 SGD
View
Price last confirmed 45 days ago
Retailer 19
-
$5,118 SGD
View
Price last confirmed 10 days ago
B+
Retailer 20
-
$5,413 SGD
View
B
Retailer 21
-
$7,397 SGD
View
B
Retailer 22
-
$7,728 SGD
View
Retailer 23
-
$7,728 SGD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
5d0eee9b-6ff8-4db1-b793-df30bf316f71 · Oct 27
$7,728 SGD
$6,050 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from $3,306 SGDSave up to $4,422 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
$3,306 SGD