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1.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6505172011

Shape and cutting style on the report: Round brilliant

Certificate GIA 6505172011

Diamond specifications and retailer prices

From $3,433 SGD
As of November 6, 2026
Save $5,451 SGD (61%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,884 SGD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505172011. Listed at 22 retailers as of November 6, 2026, with prices from $3,433 to $8,884, a $5,451 spread on the same certified stone. Diamond Quarter lists it at $8,884. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6505172011
Dimensions6.43 × 6.39 × 4.01 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.43 mm6.39 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505172011
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: $3,433 SGD|Low: $3,433 SGD|High: $8,021 SGD|Avg: $4,881 SGD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$3,433 SGD
Retailer 10$3,482 SGD
Retailer 2$4,206 SGD
Retailer 11$4,237 SGD
Retailer 3$4,375 SGD
Retailer 4$4,534 SGD
Retailer 6$4,846 SGD
Retailer 5$4,852 SGD
Retailer 9$5,057 SGD
Retailer 7$5,785 SGD
Retailer 8$7,904 SGD

28 data points across 11 retailers

22 retailers$3,433 SGD to $8,884 SGD

A
Cheapest Retailer
-
$3,433 SGD
B+
Retailer 2
-
$3,482 SGD
View
B+
Retailer 3
-
$4,206 SGD
View
B+
Retailer 4
-
$4,237 SGD
View
B+
Retailer 5
-
$4,375 SGD
View
Final sale: no returns
Retailer 6
-
$4,432 SGD
View
Price last confirmed 109 days ago
B+
Retailer 7
-
$4,534 SGD
View
B
Retailer 8
-
$4,541 SGD
View
B
Retailer 9
-
$4,740 SGD
View
Retailer 10
-
$4,740 SGD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$4,846 SGD
View
B
Retailer 12
-
$4,852 SGD
View
B
Retailer 13
-
$4,921 SGD
View
B
Retailer 14
-
$4,925 SGD
View
B
Retailer 15
-
$5,057 SGD
View
Retailer 16
-
$5,076 SGD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$5,468 SGD
View
B
Retailer 18
-
$5,779 SGD
View
B
Retailer 19
-
$5,785 SGD
View
B
Retailer 20
-
$7,904 SGD
View
B
Retailer 21
-
$8,258 SGD
View
Most Expensive
B
Diamond Quarter
1.01SI1H6511B332N · Nov 6
$8,884 SGD
£5,477 GBP
View
21 more retailers have this diamond
Prices start from $3,433 SGDSave up to $5,451 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
$3,433 SGD