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Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1555544751

Certificate GIA 1555544751

Diamond specifications and retailer prices

From $3,150 AUD
$2,213 USD
As of November 1, 2026
Save $3,731 AUD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,881 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.11ct natural round diamond

This 1.11ct 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 1555544751. Listed at 14 retailers as of November 1, 2026, with prices from $3,150 to $6,881, a $3,731 spread on the same certified stone. MOH London lists it at $6,881. 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

1.11
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555544751
Dimensions6.57 × 4.13 × 4.13 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.57 mm4.13 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555544751
Side View
Table 57.0%Crown 36.5°Girdle: MED-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 1
Current: $6,881 AUD|Low: $2,634 AUD|High: $6,917 AUD|Avg: $3,991 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 5$2,634 AUD
Retailer 15$3,150 AUD
Retailer 12$3,244 AUD
Retailer 7$3,433 AUD
Retailer 2$3,778 AUD
Retailer 6$3,930 AUD
Retailer 4$3,958 AUD
Retailer 3$3,987 AUD
Retailer 13$4,034 AUD
Retailer 14$4,114 AUD
Retailer 16$4,114 AUD
Retailer 10$4,213 AUD
Retailer 17$4,257 AUD
Retailer 11$4,632 AUD
Retailer 9$4,809 AUD
Retailer 8$5,160 AUD
MOH London$6,881 AUD

19 data points across 17 retailers

14 retailers$3,150 AUD to $6,881 AUD

A
Cheapest Retailer
-
$3,150 AUD
$2,213 USD
A
Retailer 2
-
$3,175 AUD
$2,230 USD
View
A
Retailer 3
-
$3,244 AUD
$2,279 USD
View
A
Retailer 4
-
$3,340 AUD
View
A
Retailer 5
-
$3,778 AUD
£2,090 GBP
View
B+
Retailer 6
-
$3,785 AUD
$2,659 USD
View
B+
Retailer 7
-
$4,034 AUD
$2,834 USD
View
B+
Retailer 8
-
$4,114 AUD
$2,890 USD
View
B+
Retailer 9
-
$4,114 AUD
$2,890 USD
View
B+
Retailer 10
-
$4,213 AUD
£2,330 GBP
View
B+
Retailer 11
-
$4,257 AUD
$2,990 USD
View
B+
Retailer 12
-
$4,632 AUD
€3,099 EUR
View
Retailer 13
-
$5,160 AUD
$3,625 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
1D3C78D68 · Nov 1
$6,881 AUD
£3,806 GBP
View
13 more retailers have this diamond
Prices start from $3,150 AUDSave up to $3,731 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
1.11ct Round
$3,150 AUD