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Round|Natural|GIA

1.13ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1488458889

Certificate GIA 1488458889

Diamond specifications and retailer prices

From $5,932 AUD
$4,167 USD
As of October 30, 2026
Save $6,628 AUD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,560 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1488458889. Listed at 21 retailers as of October 30, 2026, with prices from $5,932 to $12,560, a $6,628 spread on the same certified stone. NZ Jewellers lists it at $12,560. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1488458889
Dimensions6.74 × 6.73 × 4.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
Pinpoints are not shown.
Top View
6.74 mm6.73 mm1.13 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1488458889
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,560 AUD|Low: $5,932 AUD|High: $13,111 AUD|Avg: $8,402 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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 4$5,932 AUD
Retailer 6$5,934 AUD
Retailer 5$5,982 AUD
Retailer 18$6,086 AUD
Retailer 17$6,413 AUD
Retailer 3$6,803 AUD
Retailer 8$6,803 AUD
Retailer 16$6,803 AUD
Retailer 14$6,920 AUD
Retailer 11$7,448 AUD
Retailer 9$7,850 AUD
Retailer 13$8,024 AUD
Retailer 15$8,288 AUD
Retailer 10$8,738 AUD
Retailer 12$9,231 AUD
Retailer 7$10,872 AUD
Retailer 2$11,962 AUD
NZ Jewellers$12,560 AUD

42 data points across 18 retailers

21 retailers$5,932 AUD to $12,560 AUD

B+
Cheapest Retailer
-
$5,932 AUD
$4,167 USD
B+
Retailer 2
-
$5,934 AUD
$4,168 USD
View
B+
Retailer 3
-
$5,982 AUD
$4,202 USD
View
Final sale: no returns
Retailer 4
-
$6,086 AUD
$4,275 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$6,413 AUD
$4,505 USD
View
B+
Retailer 6
-
$6,803 AUD
$4,779 USD
View
B+
Retailer 7
-
$6,803 AUD
$4,779 USD
View
B+
Retailer 8
-
$6,803 AUD
$4,779 USD
View
B+
Retailer 9
-
$6,920 AUD
$4,861 USD
View
Retailer 10
-
$6,920 AUD
$4,861 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$7,448 AUD
£4,119 GBP
View
B
Retailer 12
-
$7,850 AUD
$5,514 USD
View
B+
Retailer 13
-
$8,024 AUD
€5,368 EUR
View
Retailer 14
-
$8,107 AUD
$5,695 USD
View
Price last confirmed 23 days ago
Retailer 15
-
$8,107 AUD
$5,695 USD
View
Price last confirmed 32 days ago
Retailer 16
-
$8,288 AUD
$5,822 USD
View
Price last confirmed 9 days ago
Retailer 17
-
$8,738 AUD
View
Price last confirmed 28 days ago
B
Retailer 18
-
$9,231 AUD
ZAR 104,751 ZAR
View
B
Retailer 19
-
$10,872 AUD
$7,637 USD
View
B
Retailer 20
-
$11,962 AUD
£6,616 GBP
View
Most Expensive
B
NZ Jewellers
a4fcb53f-22fa-41f2-8026-026a9e029870 · Oct 30
$12,560 AUD
$8,823 USD
View
20 more retailers have this diamond
Prices start from $5,932 AUDSave up to $6,628 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.

B+
1.13ct Round
$5,932 AUD