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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 $2,317 AUD
₹155,192 INR
As of October 29, 2026
Save $3,088 AUD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,405 AUD 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 $2,317 to $5,405, a $3,088 spread on the same certified stone. MOH London lists it at $5,405. 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: $5,405 AUD|Low: $2,301 AUD|High: $5,441 AUD|Avg: $3,465 AUD|-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 3$2,317 AUD
Retailer 10$2,773 AUD
Retailer 8$2,925 AUD
Retailer 7$3,068 AUD
Retailer 9$3,266 AUD
Retailer 2$3,348 AUD
Retailer 5$3,737 AUD
Retailer 6$3,774 AUD
Retailer 4$3,906 AUD
MOH London$5,405 AUD

33 data points across 10 retailers

11 retailers$2,317 AUD to $5,405 AUD

A
Cheapest Retailer
-
$2,317 AUD
₹155,192 INR
A
Retailer 2
-
$2,616 AUD
View
A
Retailer 3
-
$2,773 AUD
$1,950 USD
View
A
Retailer 4
-
$2,925 AUD
$2,057 USD
View
A
Retailer 5
-
$3,068 AUD
$2,158 USD
View
B+
Retailer 6
-
$3,266 AUD
$2,297 USD
View
A
Retailer 7
-
$3,348 AUD
£1,854 GBP
View
B+
Retailer 8
-
$3,737 AUD
ZAR 42,458 ZAR
View
B+
Retailer 9
-
$3,774 AUD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$3,906 AUD
€2,616 EUR
View
Most Expensive
B
MOH London
17A119EBE · Oct 29
$5,405 AUD
£2,993 GBP
View
10 more retailers have this diamond
Prices start from $2,317 AUDSave up to $3,088 AUD

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
$2,317 AUD