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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 $8,419 NZD
$4,745 USD
As of November 1, 2026
Save $9,404 NZD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $17,823 NZD 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 $8,419 to $17,823, a $9,404 spread on the same certified stone. NZ Jewellers lists it at $17,823. 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: Nov 1
Current: $17,823 NZD|Low: $7,427 NZD|High: $17,823 NZD|Avg: $11,128 NZD
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 2, 2026
Retailer 6$8,419 NZD
Retailer 13$8,912 NZD
Retailer 5$9,040 NZD
Retailer 4$9,654 NZD
Retailer 8$9,654 NZD
Retailer 16$9,654 NZD
Retailer 2$10,327 NZD
Retailer 15$10,378 NZD
Retailer 14$10,535 NZD
Retailer 12$10,731 NZD
Retailer 3$11,139 NZD
Retailer 9$11,594 NZD
Retailer 7$11,755 NZD
Retailer 10$13,093 NZD
Retailer 11$15,785 NZD
NZ Jewellers$17,823 NZD

39 data points across 16 retailers

16 retailers$8,419 NZD to $17,823 NZD

B+
Cheapest Retailer
-
$8,419 NZD
$4,745 USD
B+
Retailer 2
-
$8,912 NZD
$5,023 USD
View
Final sale: no returns
B+
Retailer 3
-
$9,040 NZD
$5,095 USD
View
B+
Retailer 4
-
$9,654 NZD
$5,441 USD
View
B+
Retailer 5
-
$9,654 NZD
$5,441 USD
View
B+
Retailer 6
-
$9,654 NZD
$5,441 USD
View
B+
Retailer 7
-
$10,327 NZD
£4,583 GBP
View
Retailer 8
-
$10,378 NZD
£4,606 GBP
View
Price last confirmed 33 days ago
Retailer 9
-
$10,535 NZD
A$9,135 AUD
View
Price last confirmed 23 days ago
B
Retailer 10
-
$10,731 NZD
SGD 8,173 SGD
View
B
Retailer 11
-
$11,139 NZD
$6,278 USD
View
B
Retailer 12
-
$11,594 NZD
€6,223 EUR
View
Retailer 13
-
$11,755 NZD
$6,625 USD
View
Price last confirmed 18 days ago
B
Retailer 14
-
$13,093 NZD
ZAR 119,215 ZAR
View
B
Retailer 15
-
$15,785 NZD
£7,005 GBP
View
Most Expensive
B
NZ Jewellers
baca8433-cdf7-43aa-ad06-53a4898bb023 · Oct 30
$17,823 NZD
$10,045 USD
View
15 more retailers have this diamond
Prices start from $8,419 NZDSave up to $9,404 NZD

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
$8,419 NZD