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Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5546576779

Certificate GIA 5546576779

Diamond specifications and retailer prices

From $2,908 AUD
As of November 6, 2026
Save $3,927 AUD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,836 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct natural round diamond

This 1.03ct 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 5546576779. Listed at 12 retailers as of November 2, 2026, with prices from $2,908 to $6,836, a $3,927 spread on the same certified stone. MOH London lists it at $6,836. 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

1.03
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5546576779
Dimensions6.44 × 6.48 × 4.03 mm
L/W Ratio1.01
Top View
6.44 mm6.48 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546576779
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: $6,836 AUD|Low: $2,908 AUD|High: $6,918 AUD|Avg: $4,236 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$2,908 AUD
Retailer 8$3,093 AUD
Retailer 6$3,586 AUD
Retailer 5$4,104 AUD
Retailer 7$4,371 AUD
Retailer 4$4,537 AUD
Retailer 3$4,761 AUD
MOH London$6,836 AUD

36 data points across 8 retailers

12 retailers$2,908 AUD to $6,836 AUD

A
Cheapest Retailer
-
$2,908 AUD
A
Retailer 2
-
$3,093 AUD
View
Final sale: no returns
A
Retailer 3
-
$3,288 AUD
View
B+
Retailer 4
-
$3,494 AUD
View
B+
Retailer 5
-
$3,586 AUD
View
Retailer 6
-
$3,901 AUD
View
Price last confirmed 29 days ago
B+
Retailer 7
-
$4,103 AUD
View
B+
Retailer 8
-
$4,104 AUD
View
Retailer 9
-
$4,371 AUD
View
Price last confirmed 30 days ago
B+
Retailer 10
-
$4,537 AUD
View
B
Retailer 11
-
$4,761 AUD
View
Most Expensive
B
MOH London
BBA9EAD01 · Nov 2
$6,836 AUD
£3,768 GBP
View
11 more retailers have this diamond
Prices start from $2,908 AUDSave up to $3,927 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
1.03ct Round
$2,908 AUD