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Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1553622825

Certificate GIA 1553622825

Diamond specifications and retailer prices

From $2,089 SGD
₹155,192 INR
As of October 29, 2026
Save $2,784 SGD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,873 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1553622825. Listed at 11 retailers as of October 29, 2026, with prices from $2,089 to $4,873, a $2,784 spread on the same certified stone. MOH London lists it at $4,873. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1553622825
Dimensions6.38 × 6.42 × 4.02 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle, Natural
Top View
6.38 mm6.42 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553622825
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

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: Oct 29
Current: $4,873 SGD|Low: $2,075 SGD|High: $4,906 SGD|Avg: $3,121 SGD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 2$2,089 SGD
Retailer 10$2,500 SGD
Retailer 8$2,637 SGD
Retailer 7$2,767 SGD
Retailer 9$2,945 SGD
Retailer 3$3,005 SGD
Retailer 5$3,370 SGD
Retailer 6$3,403 SGD
Retailer 4$3,522 SGD
MOH London$4,873 SGD

33 data points across 10 retailers

11 retailers$2,089 SGD to $4,873 SGD

A
Cheapest Retailer
-
$2,089 SGD
₹155,192 INR
A
Retailer 2
-
$2,359 SGD
A$2,831 AUD
View
A
Retailer 3
-
$2,500 SGD
$1,950 USD
View
A
Retailer 4
-
$2,637 SGD
$2,057 USD
View
A
Retailer 5
-
$2,767 SGD
$2,158 USD
View
B+
Retailer 6
-
$2,945 SGD
$2,297 USD
View
A
Retailer 7
-
$3,005 SGD
£1,846 GBP
View
B+
Retailer 8
-
$3,370 SGD
ZAR 42,458 ZAR
View
B+
Retailer 9
-
$3,403 SGD
A$4,083 AUD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$3,522 SGD
€2,616 EUR
View
Most Expensive
B
MOH London
17A119EBE · Oct 29
$4,873 SGD
£2,993 GBP
View
10 more retailers have this diamond
Prices start from $2,089 SGDSave up to $2,784 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
$2,089 SGD