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Round|Natural|GIA

1.13ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1507664815

Certificate GIA 1507664815

Diamond specifications and retailer prices

From $6,755 AUD
$4,745 USD
As of October 30, 2026
Save $7,545 AUD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $14,300 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 1507664815. Listed at 16 retailers as of October 30, 2026, with prices from $6,755 to $14,300, a $7,545 spread on the same certified stone. NZ Jewellers lists it at $14,300. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1507664815
Dimensions6.69 × 6.74 × 4.07 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.69 mm6.74 mm1.13 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1507664815
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

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: $14,300 AUD|Low: $5,959 AUD|High: $14,300 AUD|Avg: $8,928 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
November 1, 2026
Retailer 6$6,755 AUD
Retailer 13$7,151 AUD
Retailer 5$7,253 AUD
Retailer 4$7,746 AUD
Retailer 8$7,746 AUD
Retailer 16$7,746 AUD
Retailer 2$8,286 AUD
Retailer 15$8,327 AUD
Retailer 14$8,453 AUD
Retailer 12$8,610 AUD
Retailer 3$8,937 AUD
Retailer 10$9,344 AUD
Retailer 7$9,431 AUD
Retailer 9$10,505 AUD
Retailer 11$12,665 AUD
NZ Jewellers$14,300 AUD

38 data points across 16 retailers

16 retailers$6,755 AUD to $14,300 AUD

B+
Cheapest Retailer
-
$6,755 AUD
$4,745 USD
B+
Retailer 2
-
$7,151 AUD
$5,023 USD
View
Final sale: no returns
B+
Retailer 3
-
$7,253 AUD
$5,095 USD
View
B+
Retailer 4
-
$7,746 AUD
$5,441 USD
View
B+
Retailer 5
-
$7,746 AUD
$5,441 USD
View
B+
Retailer 6
-
$7,746 AUD
$5,441 USD
View
B+
Retailer 7
-
$8,286 AUD
£4,583 GBP
View
Retailer 8
-
$8,327 AUD
£4,606 GBP
View
Price last confirmed 32 days ago
Retailer 9
-
$8,453 AUD
View
Price last confirmed 22 days ago
B
Retailer 10
-
$8,610 AUD
SGD 8,173 SGD
View
B
Retailer 11
-
$8,937 AUD
$6,278 USD
View
B
Retailer 12
-
$9,344 AUD
€6,251 EUR
View
Retailer 13
-
$9,431 AUD
$6,625 USD
View
Price last confirmed 17 days ago
B
Retailer 14
-
$10,505 AUD
ZAR 119,215 ZAR
View
B
Retailer 15
-
$12,665 AUD
£7,005 GBP
View
Most Expensive
B
NZ Jewellers
baca8433-cdf7-43aa-ad06-53a4898bb023 · Oct 30
$14,300 AUD
$10,045 USD
View
15 more retailers have this diamond
Prices start from $6,755 AUDSave up to $7,545 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
$6,755 AUD