Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2566116791

Certificate GIA 2566116791

Diamond specifications and retailer prices

From $3,663 AUD
$2,567 USD
As of November 2, 2026
Save $5,027 AUD (58%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,690 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

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 2566116791. Listed at 23 retailers as of November 2, 2026, with prices from $3,663 to $8,690, a $5,027 spread on the same certified stone. NZ Jewellers lists it at $8,690. 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 angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566116791
Dimensions6.75 × 6.78 × 4.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.75 mm6.78 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566116791
Side View
Table 59.0%Crown 31.5°Girdle: THI-NULPavilion 41.8°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,460 AUD|Low: $3,345 AUD|High: $6,951 AUD|Avg: $4,410 AUD|+15.7%
Retailer 1
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 4$3,345 AUD
Retailer 3$3,663 AUD
Retailer 8$3,689 AUD
Retailer 14$3,711 AUD
Retailer 6$3,791 AUD
Retailer 9$4,042 AUD
Retailer 15$4,124 AUD
Retailer 16$4,124 AUD
Retailer 12$4,157 AUD
Retailer 1$4,460 AUD
Retailer 10$4,598 AUD
Retailer 5$4,619 AUD
Retailer 13$4,764 AUD
Retailer 7$4,787 AUD
Retailer 17$5,004 AUD
Retailer 2$6,049 AUD
Retailer 11$6,951 AUD

31 data points across 17 retailers

23 retailers$3,663 AUD to $8,690 AUD

Retailer 1
-
$3,345 AUD
$2,344 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$3,663 AUD
$2,567 USD
View
Retailer 3
-
$3,689 AUD
$2,585 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$3,711 AUD
$2,601 USD
View
Retailer 5
-
$3,734 AUD
$2,617 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$3,734 AUD
$2,617 USD
View
Price last confirmed 17 days ago
Retailer 7
-
$3,791 AUD
$2,657 USD
View
Price last confirmed 15 days ago
Retailer 8
-
$3,878 AUD
$2,718 USD
View
Price last confirmed 18 days ago
B+
Retailer 9
-
$4,042 AUD
View
B+
Retailer 10
-
$4,124 AUD
$2,890 USD
View
B+
Retailer 11
-
$4,124 AUD
$2,890 USD
View
B+
Retailer 12
-
$4,157 AUD
CA$4,046 CAD
View
Retailer 13
-
$4,309 AUD
$3,020 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$4,460 AUD
£2,461 GBP
View
B+
Retailer 15
-
$4,598 AUD
€3,069 EUR
View
Retailer 16
-
$4,619 AUD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
$4,764 AUD
$3,339 USD
View
Retailer 18
-
$4,787 AUD
$3,355 USD
View
Price last confirmed 19 days ago
Retailer 19
-
$5,004 AUD
ZAR 56,657 ZAR
View
Price last confirmed 16 days ago
Retailer 20
-
$6,049 AUD
$4,239 USD
View
Price last confirmed 14 days ago
B
Retailer 21
-
$6,951 AUD
£3,836 GBP
View
Retailer 22
-
$8,618 AUD
$6,040 USD
View
Price last confirmed 13 days ago
Most Expensive
B
NZ Jewellers
8fcd8018-1513-4672-a527-f4185ff9f51c · Nov 2
$8,690 AUD
$6,090 USD
View
22 more retailers have this diamond
Prices start from $3,663 AUDSave up to $5,027 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
$3,663 AUD