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Round|Natural|GIA

1.01ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2564717890

Certificate GIA 2564717890

Diamond specifications and retailer prices

From $1,575 SGD
As of November 4, 2026
Save $3,790 SGD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,365 SGD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564717890. Listed at 13 retailers as of November 4, 2026, with prices from $1,575 to $5,365, a $3,790 spread on the same certified stone. Helzberg Diamonds lists it at $5,365. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564717890
Dimensions6.38 × 6.41 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.38 mm6.41 mm1.01 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564717890
Side View
Table 55.0%Crown 34.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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 4
Current: $5,365 SGD|Low: $1,575 SGD|High: $5,513 SGD|Avg: $3,874 SGD|-2.7%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13$1,575 SGD
Retailer 5$3,151 SGD
Retailer 8$3,191 SGD
Retailer 3$3,219 SGD
Retailer 6$3,317 SGD
Retailer 11$3,398 SGD
Retailer 9$3,671 SGD
Retailer 10$3,829 SGD
Retailer 2$3,914 SGD
Retailer 12$4,046 SGD
Retailer 7$4,091 SGD
Retailer 4$5,194 SGD
Helzberg Diamonds$5,365 SGD

13 data points across 13 retailers

13 retailers$1,575 SGD to $5,365 SGD

A
Cheapest Retailer
-
$1,575 SGD
A
Retailer 2
-
$3,151 SGD
View
A
Retailer 3
-
$3,191 SGD
View
A
Retailer 4
-
$3,219 SGD
View
A
Retailer 5
-
$3,317 SGD
View
B+
Retailer 6
-
$3,398 SGD
View
B+
Retailer 7
-
$3,671 SGD
View
B+
Retailer 8
-
$3,829 SGD
View
B+
Retailer 9
-
$3,914 SGD
View
B+
Retailer 10
-
$4,046 SGD
View
B+
Retailer 11
-
$4,091 SGD
View
B
Retailer 12
-
$5,194 SGD
View
Most Expensive
B
Helzberg Diamonds
XZRILMKNHNOPG · Nov 6
$5,365 SGD
$4,200 USD
View
12 more retailers have this diamond
Prices start from $1,575 SGDSave up to $3,790 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
$1,575 SGD