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Round|Natural|IGI

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 768663756

Shape and cutting style on the report: Round brilliant

Certificate IGI 768663756

Diamond specifications and retailer prices

From $3,653 NZD
$2,059 USD
As of November 1, 2026
Save $4,801 NZD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,455 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 768663756. Listed at 14 retailers as of October 30, 2026, with prices from $3,653 to $8,455, a $4,801 spread on the same certified stone. NZ Jewellers lists it at $8,455. 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 angle36.3°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 768663756
Dimensions6.62 × 6.66 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.62 mm6.66 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 768663756
Side View
Table 57.0%Crown 36.3°Girdle: MediumPavilion 41°Culet: NoneDepth 62.6%

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: Nov 1
Current: $8,455 NZD|Low: $3,501 NZD|High: $8,650 NZD|Avg: $4,870 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$3,653 NZD
Retailer 10$3,733 NZD
Retailer 9$3,754 NZD
Retailer 8$4,044 NZD
Retailer 11$4,044 NZD
Retailer 7$4,054 NZD
Retailer 2$4,489 NZD
Retailer 6$4,970 NZD
Retailer 4$5,028 NZD
Retailer 5$7,085 NZD
NZ Jewellers$8,455 NZD

36 data points across 11 retailers

14 retailers$3,653 NZD to $8,455 NZD

A
Cheapest Retailer
-
$3,653 NZD
$2,059 USD
A
Retailer 2
-
$3,733 NZD
$2,104 USD
View
Final sale: no returns
A
Retailer 3
-
$3,754 NZD
$2,116 USD
View
Retailer 4
-
$4,044 NZD
$2,279 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$4,044 NZD
$2,279 USD
View
A
Retailer 6
-
$4,044 NZD
$2,279 USD
View
A
Retailer 7
-
$4,054 NZD
$2,285 USD
View
A
Retailer 8
-
$4,489 NZD
£1,992 GBP
View
Retailer 9
-
$4,666 NZD
$2,630 USD
View
Price last confirmed 41 days ago
B+
Retailer 10
-
$4,970 NZD
ZAR 45,255 ZAR
View
B+
Retailer 11
-
$5,028 NZD
€2,699 EUR
View
B
Retailer 12
-
$7,085 NZD
£3,144 GBP
View
Retailer 13
-
$8,455 NZD
$4,765 USD
View
Price last confirmed 41 days ago
Most Expensive
B
NZ Jewellers
a66f8384-c9f6-4b66-9a09-1ff9de913ce6 · Oct 30
$8,455 NZD
$4,765 USD
View
13 more retailers have this diamond
Prices start from $3,653 NZDSave up to $4,801 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.

A
1.13ct Round
$3,653 NZD