Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1538747711

Certificate GIA 1538747711

Diamond specifications and retailer prices

From $3,531 AUD
$2,480 USD
As of October 31, 2026
Save $5,138 AUD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,668 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.13ct natural round diamond

This 1.13ct 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 1538747711. Listed at 15 retailers as of October 30, 2026, with prices from $3,531 to $8,668, a $5,138 spread on the same certified stone. NZ Jewellers lists it at $8,668. 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

1.13
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1538747711
Dimensions6.64 × 6.62 × 4.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.64 mm6.62 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1538747711
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°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 31
Current: $8,668 AUD|Low: $2,941 AUD|High: $8,668 AUD|Avg: $4,653 AUD
NZ Jewellers
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
November 1, 2026
Retailer 7$3,531 AUD
Retailer 14$3,654 AUD
Retailer 12$3,703 AUD
Retailer 6$3,836 AUD
Retailer 10$4,114 AUD
Retailer 15$4,114 AUD
Retailer 3$4,147 AUD
Retailer 4$4,328 AUD
Retailer 13$4,328 AUD
Retailer 9$4,449 AUD
Retailer 11$4,484 AUD
Retailer 2$4,587 AUD
Retailer 5$6,034 AUD
Retailer 8$6,934 AUD
NZ Jewellers$8,668 AUD

43 data points across 15 retailers

15 retailers$3,531 AUD to $8,668 AUD

A
Cheapest Retailer
-
$3,531 AUD
$2,480 USD
Final sale: no returns
A
Retailer 2
-
$3,654 AUD
$2,567 USD
View
A
Retailer 3
-
$3,703 AUD
$2,601 USD
View
A
Retailer 4
-
$3,836 AUD
SGD 3,641 SGD
View
B+
Retailer 5
-
$4,114 AUD
$2,890 USD
View
B+
Retailer 6
-
$4,114 AUD
$2,890 USD
View
B+
Retailer 7
-
$4,147 AUD
CA$4,046 CAD
View
B+
Retailer 8
-
$4,328 AUD
$3,040 USD
View
B+
Retailer 9
-
$4,328 AUD
$3,040 USD
View
B+
Retailer 10
-
$4,449 AUD
£2,461 GBP
View
B+
Retailer 11
-
$4,484 AUD
$3,150 USD
View
B+
Retailer 12
-
$4,587 AUD
€3,069 EUR
View
B
Retailer 13
-
$6,034 AUD
$4,239 USD
View
B
Retailer 14
-
$6,934 AUD
£3,835 GBP
View
Most Expensive
B
NZ Jewellers
ac5d03f7-3220-4376-abd4-851e3123742f · Oct 30
$8,668 AUD
$6,089 USD
View
14 more retailers have this diamond
Prices start from $3,531 AUDSave up to $5,138 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
1.13ct Round
$3,531 AUD