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Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552600052

Certificate GIA 6552600052

Diamond specifications and retailer prices

From $2,141 AUD
SGD 2,032 SGD
As of October 31, 2026
Save $4,398 AUD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,539 AUD at NZ Jewellers · As of October 30, 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 6552600052. Listed at 8 retailers as of October 30, 2026, with prices from $2,141 to $6,539, a $4,398 spread on the same certified stone. NZ Jewellers lists it at $6,539. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552600052
Dimensions6.62 × 6.58 × 4.15 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Natural
Top View
6.62 mm6.58 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552600052
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

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 31
Current: $6,539 AUD|Low: $2,141 AUD|High: $6,796 AUD|Avg: $3,779 AUD|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$2,141 AUD
Retailer 3$2,377 AUD
Retailer 2$2,579 AUD
Retailer 5$2,681 AUD
Retailer 6$2,913 AUD
Retailer 8$2,916 AUD
Retailer 10$3,936 AUD
Retailer 9$4,212 AUD
Retailer 4$4,697 AUD
NZ Jewellers$6,539 AUD

43 data points across 10 retailers

8 retailers$2,141 AUD to $6,539 AUD

A
Cheapest Retailer
-
$2,141 AUD
SGD 2,032 SGD
A
Retailer 2
-
$2,377 AUD
$1,670 USD
View
A
Retailer 3
-
$2,579 AUD
£1,427 GBP
View
A
Retailer 4
-
$2,681 AUD
$1,883 USD
View
A
Retailer 5
-
$2,913 AUD
$2,046 USD
View
A
Retailer 6
-
$2,916 AUD
$2,048 USD
View
B+
Retailer 7
-
$4,697 AUD
£2,598 GBP
View
Most Expensive
B
NZ Jewellers
399d53ce-f40a-492c-849c-2ccf37496c2c · Oct 30
$6,539 AUD
$4,593 USD
View
7 more retailers have this diamond
Prices start from $2,141 AUDSave up to $4,398 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
$2,141 AUD